音羽電機工業 List of Products and Services

European Integration Standards (EN) UL Certification Class 2 (JIS C 5381-11) compliant Surge Absorber / Surge Protector

• Lightning protection
• Power distribution and control panels

Transitional grounding impedance measuring device Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasures, and induced lightning countermeasures.

• Lightning protection

OA Series Designed for indoor use with large capacity, ensuring power supply in case of a power outage. Equipped with a high-performance inverter for stable power supply. Includes SPD (Surge Protective Device). Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPDs, lightning arresters (such as arresters and surge protectors), lightning surge countermeasures, and induced lightning countermeasures.

• Lightning protection

DC Power Protection for Solar Power Generation Systems For DC 660V, 1060V, and 1500V Designed to withstand direct lightning strikes. Protects equipment from lightning surges that enter through power sources and grounding. Complies with JIS standards. Handles the diversion components of direct lightning strikes and is installed in distribution boards and sub-distribution boards. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), and measures against induced lightning and lightning surges.

• Lightning protection

Explosion-proof protection of gas pipelines and pressure transmitters in explosive areas from lightning surges. Lightning arresters (arresters, SPD, LA, surge protectors, etc.), lightning protection products, lightning surge countermeasures, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

The built-in SPD separator allows for the shortest internal wiring in the panel. It protects equipment from lightning surges that enter through power and grounding (earth). It is compatible with induced lightning. It protects equipment from lightning surges that enter through power and grounding (earth). It complies with JIS standards. This standard SPD is installed in distribution boards and sub-distribution boards. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPDs, lightning arresters (such as arresters and surge protectors), and measures against induced lightning.

• Lightning protection
• Power distribution and control panels

Report on past lightning strike information. It can be used as a lightning strike certificate for verifying lightning countermeasures and insurance claims. Based on lightning strike data observed by the Japan Meteorological Agency's lightning monitoring system LIDEN, we conduct a lightning investigation for the specified location and period, and deliver a report. ◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ Please contact us through the dedicated page below: https://www.otowadenki.co.jp/certificate/ ◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ ■ I want to know accurate lightning strike information! You can rest assured as we use data from the Japan Meteorological Agency. It can be used for insurance claims as a lightning strike certificate. ■ I want to know past lightning strike information immediately! Was that damage really caused by lightning? The lightning investigation report can be delivered in as little as one day*4. ■ I want to search for lightning strike information online! The lightning investigation report can be completed entirely online, including payment. ■ I want to avoid complicated procedures! There are no troublesome phone calls required for the lightning investigation report. Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, lightning surge countermeasure products, and induced lightning countermeasures.

• Lightning protection

Ministry of Land, Infrastructure, Transport and Tourism NETIS Registered Product (Class 2 Compatible SPD Section) Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compatible Product (SPD Section) Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compatible Product JIS C 5381-11 Compliant (SPD Section) *“Imurai” is a registered trademark of Otowa Electric Industry Co., Ltd. Protects equipment from lightning surges entering through power sources and grounding (earth). Compatible with induced lightning. JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, lightning surge countermeasure products, induced lightning countermeasures, and lightning countermeasure products manufactured by Otowa Electric Industry Co., Ltd., a specialist in lightning countermeasures.

• Lightning protection

For network devices connected to a LAN line With SPD function display, compatible with degraded contact output Protects devices from lightning surges entering through the LAN. Manufactured by Otowa Electric Industry, a specialized manufacturer of lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and induced lightning countermeasures.

• Lightning protection

Ministry of Land, Infrastructure, Transport and Tourism NETIS Registered Product Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compliant Product Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliant Product Class 2 (JIS C 5381-11) Compliant Protects equipment from lightning surges entering through power supply and grounding (earth). Inductive lightning compatible. Protects equipment from lightning surges entering through power supply and grounding (earth). JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasure products, inductive lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection
• Power distribution and control panels

Catch the danger of lightning strikes in advance Lightning detection devices catch the possibility of lightning strikes in advance. A diverse lineup of lightning-related products, such as lightning radar that detects the possibility of lightning strikes. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Design of impulse voltage generators or impulse current generators tailored to customer requirements. Impulse generators can be manufactured according to customer specifications. Please feel free to contact us if you have any requests. ■Combination waveform generator Reference waveforms (voltage/current waveforms) Complies with JIS C 61000-4-5 and IEC 61000-4-5. - For power circuits: Voltage waveform 1.2/50µs, current waveform 8/20µs - For communication circuits: Voltage waveform 10/700µs, current waveform 5/320µs We can also provide various coupling/de-coupling network (CDN) circuits for applying impulses superimposed on power circuits or communication circuits. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Output capacity 10kVA to 20kVA An uninterruptible power supply (UPS) is a device designed to protect equipment and data by continuously supplying power to load devices for a certain period of time in the event of unexpected power outages or input power abnormalities. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Output capacity 1kVA to 10kVA An uninterruptible power supply (UPS) is a device designed to protect equipment and data by continuously supplying power to load devices for a certain period of time in the event of unexpected power outages or input power abnormalities. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

To request the comprehensive catalog, please indicate "Request for catalog delivery" in the inquiry form. ◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ 　　　The comprehensive catalog is available for free distribution! 　　Please fill out the inquiry form to request the comprehensive catalog. ◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, and induced lightning protection.

• Lightning protection

Low leakage current type for domestic and European power supplies Measures and removal of various noise disturbances, compliance with noise regulations (in various countries and markets) Low leakage current type for domestic and European power supplies. Minimum mounting footprint in the same class. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Achieved a 40% reduction in mounting area compared to conventional products, and a 30% reduction in volume. Measures and removal of various noise disturbances, compliance measures for noise regulations (in various countries and markets). Achieved a 40% reduction in mounting area compared to conventional products, and a 30% reduction in volume. Excellent attenuation performance is achieved even in the high-frequency range. Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, and induced lightning countermeasures.

• Lightning protection

Detailed support for insulation resistance testing of equipment. We can provide detailed support for insulation resistance testing of equipment. Compatible with power supply voltages of AC100V and 200V. *We will manufacture voltage testing equipment tailored to your needs. Please consult us. *We also accept commissioned testing for dielectric strength tests. Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, and induced lightning countermeasures.

• Lightning protection

6.6kV distribution lightning arresters, lightning protection devices, and 1500V DC lightning arrester testers Diagnosis of degradation in 6.6kV distribution lightning arrester elements is possible. ■ Measurement targets Distribution lightning arresters rated at 8.4kV or below Distribution lightning protection devices rated at 8.4kV or below DC lightning arresters for 600V to 1500V SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, products from Otowa Electric Industry, a specialist manufacturer in lightning protection.

• Lightning protection

Simple checker for SPD (surge protective device) up to 1500V ■Measurement targets Operating start voltage (V1mA) for SPD (surge protective device) up to 1500V DC discharge start voltage for SPD (surge protective device) up to 1500V Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, surge protectors (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, and lightning countermeasures.

• Lightning protection

Records and displays the surge current levels that have entered grounding lines, along with the detection time. Compact, lightweight, and easy to install. Records and displays surge current levels (100A~, 1000A~) and their detection times. Compact, lightweight, and easy to install. Manufactured by Otowa Electric Industry, a specialized manufacturer of SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasures, and induced lightning countermeasures.

• Lightning protection

Compact and lightweight type developed for indoor use Compliant with the Ministry of Land, Infrastructure, Transport and Tourism's Standard Specifications for Public Building Construction (GLI-6G, GLI-6SG) JIS C 4608 (GLI-6G, GLI-6SG) GLI-3G: For rated voltage 4.2kV, alternating discharge current 2500A GLI-6G: For rated voltage 8.4kV, alternating discharge current 2500A GLI-6SG: For rated voltage 8.4kV, alternating discharge current 5000A Protects equipment from lightning surges entering from high voltage and extra high voltage distribution lines. JEC compliant. Compatible with up to 3.3kV and 6.6kV. For indoor use. Lightning arresters (arresters, SPD, LA, surge protectors, etc.), lightning countermeasure products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Harmonic Ingress Phenomenon Prevention Device It is suitable for cases where overcurrent and overheating relays operate in a 6.6kV system leading capacitor circuit. Instead of attenuating or eliminating the harmonics themselves like a filter, it prevents the amplification phenomenon caused by harmonics. Manufactured by Otowa Electric Industry, a specialized manufacturer of lightning protection products, including surge protectors (Arresters, SPD, LA, Surge Protectors), lightning countermeasure products, and induced lightning countermeasures.

• Lightning protection

Please specify the LA connector type for the Tohoku region specifications. Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compliant Product For salt damage, dust, and high humidity areas JEC-2374:2015 *Rated voltage 4.2kV available (GL-B3DG5-T, GL-B3DG5). The conduit structure with a double skirt offers excellent dirt resistance characteristics and low leakage current. Suitable for harsh environments such as salt damage areas. Protects equipment from lightning surges entering from high voltage and extra high voltage distribution lines. JEC compliant. Compatible with 3.3kV and 6.6kV. Lightning arresters (Arresters, SPD, LA, surge protectors, etc.), lightning protection products, lightning surge countermeasures, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

■Environmental Testing and Vibration Testing We can conduct various environmental and vibration tests to ensure the reliability of products used over many years. *The electrodynamic vibration testing equipment is one of the largest in the Kansai region. ■Electrodynamic Vibration Testing Equipment Excitation Force: Sine Wave 16kN Frequency: 5 to 3000Hz Maximum Displacement: 51mm p-p The Lightning Technology Center (Amagasaki City) is a facility equipped with various testing devices, including lightning test equipment that utilizes OTOWA's technology. We accept contract testing using the testing facilities and equipment of Otowa Electric Industry. Lightning Technology Center: Amagasaki City, Hyogo Prefecture (10 minutes by train from JR Osaka Station to JR Amagasaki Station, within walking distance)

• Lightning protection

Terrestrial digital television broadcasting, BS, CS, and FM compatible. Protects devices such as TVs and BD recorders from lightning surges. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, and induced lightning countermeasures.

• Tunnel construction
• Lightning protection
• Power distribution and control panels

Conductive concrete grounding electrode Reduction effect increased by 30% when used with power mesh Ground resistance reduction agent. It has excellent ground resistance reduction properties, allowing for cost savings in grounding construction. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Protecting telephone lines Protecting devices such as computers and IP phones from lightning surges. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasures, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Tunnel construction
• Lightning protection
• Power distribution and control panels

7-Socket Power Outlet Type Protects devices such as computers and IP phones from lightning surges. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), and measures against induced lightning.

• Tunnel construction
• Lightning protection
• Power distribution and control panels

Explosion-proof SPD panel incorporating JIS-compliant SPD We offer panels that combine a wide variety of products such as SPD for power supply, SPD for signal lines, SPD for LAN, and SPD for grounding. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, lightning surge countermeasure products, and induced lightning countermeasures.

• Lightning protection

For GPS antenna port connection devices *Please contact us separately for products compatible with impulse durability D1. Protects devices from lightning surges entering through coaxial cables. JIS compliant. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPDs, lightning arresters (such as arresters and surge protectors), and measures against induced lightning.

• Lightning protection

HD-SDI signal compatible high-definition broadcasting and ITV camera use Protects equipment from lightning surges entering through coaxial cables. JIS compliant. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and lightning surge countermeasures.

• Lightning protection

Remote monitoring capable coaxial cable protection. Protects equipment from lightning surges entering through coaxial cables. JIS compliant. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and lightning surge countermeasures.

• Lightning protection

For 4K8K broadcasting, terrestrial digital television broadcasting, BS broadcasting, and CS broadcasting. Protects equipment from lightning surges that enter through coaxial cables. JIS compliant. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and lightning surge countermeasures.

• Lightning protection

Ministry of Land, Infrastructure, Transport and Tourism Public Building Construction Standard Specifications Compatible Products (Only SU-KZ24J and SU-KZ24JS) Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compatible Products Compliant with JIS C 5381-21 Protects equipment from lightning surges entering through telephone and signal lines. Compliant with JIS. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Compact and space-saving design. Compatible with induced lightning. Protects equipment from lightning surges that enter through power supply and grounding. JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPDs, lightning arresters (such as arresters and surge protectors), and measures against lightning surges.

• Lightning protection
• Power distribution and control panels

Domestic production for peace of mind, stable supply of high-quality products. Compact and easy to integrate into equipment. Protects devices from induced lightning surges with a single unit, featuring SPD function display with disconnection mechanism. Compatible with induced lightning. Protects devices from lightning surges entering through power supply and grounding (earth). JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasure products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection
• Power distribution and control panels

Ministry of Land, Infrastructure, Transport and Tourism NETIS registered product (Class 2 compatible SPD) Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction compliant product Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards compliant product Compliant with JIS C 5381-11 Protects equipment from lightning surges that enter through power sources and grounding (earth). Compatible with induced lightning. Protects equipment from lightning surges that enter through power sources and grounding (earth). Compliant with JIS. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Integration of SPD external separator (MCCB) and SPD Designed to withstand direct lightning strikes. Protects equipment from lightning surges that enter through power sources and grounding (earth). Complies with JIS standards. Handles the diversion components of direct lightning strikes and is installed in distribution boards and sub-distribution boards. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including SPD, lightning arresters (such as arresters and surge protectors), lightning countermeasures, and induced lightning countermeasures.

• Lightning protection
• Power distribution and control panels

MPGLS-B6D (for outdoor use: heavy salt resistance) MPGLSI-B6 (for indoor use) MPGLSI-B6-S (for indoor installation) Protects equipment from lightning surges entering from high-voltage and extra-high-voltage power lines. Compliant with JEC standards. A lineup is available for areas prone to severe lightning, salt resistance, indoor use, and cubicle use. Lightning arresters (such as arresters, SPD, LA, surge protectors, etc.), lightning countermeasure products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Fuses and fuse holders Used in combination with various power supply SPDs to interrupt short-circuit currents. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

Ministry of Land, Infrastructure, Transport and Tourism Public Building Construction Standard Specifications Compliant Products (SG-GV12J, SG-GV24J, SG-GV48J, SG-GV5JW, SGR-GV12J, SG-T150J) Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliant Products (SG-GV24J, SG-GV48J) Corresponds to JIS C 5381-21 For signal lines (SG-GVJ series), for telephone lines (SG-TJ series) High protection capability Protects equipment from lightning surges entering through telephone and signal lines. JIS compliant. SPD, lightning arresters (such as arresters, surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, manufactured by Otowa Electric Industry, a specialist in lightning protection.

• Lightning protection

The polymer outer casing makes it compact and lightweight, convenient for installation and handling. It protects equipment from lightning surges that enter from high-voltage and extra-high-voltage distribution lines. Compliant with JEC standards. Suitable for 22kV and 33kV. A lineup is available for areas prone to severe lightning, salt-resistant applications, indoor use, and cubicle use. Manufactured by Otowa Electric Industry, a specialist in lightning protection products, including lightning arresters (Aresta, SPD, LA, surge protectors, etc.), lightning countermeasure products, and lightning surge countermeasure products.

• Lightning protection

Ministry of Land, Infrastructure, Transport and Tourism NETIS Registered Product Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compliant Product Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliant Product Class 2 (JIS C 5381-11) Compliant *“Inrairai” is a registered trademark of Otowa Electric Industry Co., Ltd. Induced lightning compatible. Protects equipment from lightning surges entering through power sources and grounding. JIS compliant. A standard SPD that can be installed in distribution boards and sub-distribution boards. SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge countermeasure products, induced lightning countermeasures, manufactured by Otowa Electric Industry Co., Ltd., a specialist in lightning protection.

• Lightning protection

SP Series Switching between commercial power supply and emergency power supply SPD, lightning arresters (such as arresters and surge protectors), lightning protection products, lightning surge protection products, induced lightning protection, and lightning protection products from Otowa Electric Industry, a specialized manufacturer of lightning protection. * "Lightning immunity" is a registered trademark of Otowa Electric Industry.

• Lightning protection