It can be installed on industrial machinery for export to the United States, complying with the surge protection requirements NFPA 79 for industrial machinery aimed at the U.S. market.
European Integration Standards (EN) UL Certification Class 2 (JIS C 5381-11) compliant Surge Absorber / Surge Protector
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basic information
1. UL 1449 Listing certification obtained / NFPA79 compliant 2. Built-in disconnection device / SPD function indicator - The built-in disconnection device prevents smoke and fire from the SPD when the ZnO element deteriorates. - The disconnection mechanism includes an SPD function indicator. UL certified, NFPA79 compliant SPD (Surge Absorber) with a function indicator window for visual confirmation of functionality. 3. Compact and space-saving design - Integrated line-to-line and line-to-ground surge protection in one unit. - Miniaturization achieved by adopting multi-terminal elements, maintaining the same dimensions from 200V to 500V. 4. Reliable lightning surge resistance - Maximum discharge current of 5kA (8/20μs), resistant to large lightning surges. - Endures 1000A lightning surges for 500 cycles, ensuring long lifespan. 5. Compliance with safety standards - EN 61643-11 TÜV certification obtained (TÜV SÜD Japan) - IEC 61643-11 - UL standards (UL 1449 Listing certification obtained) / CSA standards (C22. 2 No. 269) certification obtained, using flame-retardant materials (UL V-0). 6. Compliance with RoHS restricted substances - UL certification obtained for flame resistance and insulation properties.
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Protects equipment from lightning surges entering from the power supply (lightning-induced protection). Class 2 compliant power supply SPD (surge protective device, arrester). Used built-in for equipment such as work machines (built into the product). Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire.
Detailed information
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About NFPA79
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Built-in disconnection device / with SPD function display
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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.