Realizing the visualization of SPD effects: SPD with built-in surge counter.
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.
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*Features* 1. Built-in surge count and replacement recommendation display function Equipped with a surge count function that visualizes the effectiveness of the SPD. It has a display function that detects deterioration and notifies the recommended replacement time. 2. Easy installation in the panel ● Compliant with JIS standard dimensions for wiring circuit breakers (for 3 poles) ● Copper bars available for branch MCCB 3. Safety features even during deterioration ● Built-in automatic disconnection device ● SPD function display included ● Compatible with deterioration contact output 4. Excellent responsiveness and no continuous current 5. Four installation patterns ● DIN rail ● Installation with M4 screws (tightening torque: 2.0 to 2.5 N·m) ● Connecting mounting plate ● Screw fastening with mounting bracket (sold separately, model: 7146-0056) 6. Protects line-to-line and line-to-ground with one unit 7. RoHS compliant product
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【Purpose】 Protects equipment from lightning surges entering from the power supply (lightning strike protection). SPD (Surge Protective Device, lightning arrester) for Class 2 compliant power supplies. Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire, 1φ2W, 1φ3W, 3φ3W, AC100V, AC200V, for lighting, for power.
Detailed information
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Space-saving compared to conventional products due to the integrated counting system.
catalog（12）
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Company information
OTOWA is the only manufacturer in Japan specializing in lightning protection, having explored "lightning" since its establishment. We want to create a safe and secure society that does not fear the natural threat of "lightning." We will realize this wish with our advanced lightning protection systems. ◆ A Wide Range of Products Available We offer a variety of products, including surge protectors for power distribution, as well as those for offices, factories, railway vehicles, and general households. We also accommodate custom orders, so please feel free to consult with us. ◆ Consulting for Lightning Protection Lightning protection varies depending on various conditions such as location. OTOWA will propose the most suitable lightning protection measures for those conditions. ◆ World-Class Lightning Testing Facilities Using top-class testing facilities and a diverse range of testing equipment, we conduct product evaluation tests and development in-house. Our achievements are highly regarded, and we also accept contract testing (Lightning Technology Center). ◆ Unique Quality of Zinc Oxide Devices We produce zinc oxide (ZnO) devices under strict management. These devices are the heart of surge protective devices (SPDs) and are indispensable for lightning protection.