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 protection. Protects equipment from lightning surges entering through power sources 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 protection products, induced lightning protection, 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 includes a display function that detects degradation and notifies the recommended replacement period. 2. Easy installation in the panel ● Complies with JIS standard dimensions for wiring circuit breakers (for 3 poles) ● Copper bars for branch MCCBs are available 3. Safety features even during degradation ● Built-in automatic disconnection device ● SPD function display included ● Compatible with degradation contact output 4. Excellent responsiveness and no continuous current 5. Four installation patterns ● DIN rail ● Installation with M4 screws (tightening torque: 2.0–2.5 N·m) ● Connecting mounting plate ● Screw fastening with mounting brackets (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-induced). SPD (surge protective device, 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.
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Space-saving compared to conventional products due to the integrated counting system.
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Company information
OTOWA is the only manufacturer in Japan specializing in lightning protection, having explored "lightning" since its founding. We want to create a safe and secure society where people are not afraid of the natural threat of "lightning." We will realize this wish with our advanced lightning protection systems. ◆ A wide range of product lineup 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 equipment and a variety of testing facilities, 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 essential for lightning protection.