Ministry of Land, Infrastructure, Transport and Tourism Standard Specifications for Public Building Construction Compliant Products Ministry of Land, Infrastructure, Transport and Tourism Building Equipment Design Standards Compliant Products Class 2 (JIS C 5381-11) Compliant
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.
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basic information
*Features* 1. Built-in SPD separator allows for the shortest internal wiring. The built-in SPD separator eliminates external wiring between the SPD and the separator, significantly reducing wiring labor. By keeping the wiring as short as possible, optimal lightning protection can be achieved. 2. Easy installation inside the panel, with significant reduction in wiring labor. - Complies with JIS standard dimensions for wiring circuit breakers (5-pole). - Copper bars for branch MCCBs can be used. 3. Integrated SPD unit and connection terminal unit. The connection terminal unit can remain installed while the SPD unit is easily detachable by releasing the switch lever. 4. Inspection function with disconnector allows for inspection while the main breaker is energized. The connection terminal unit can be opened from the circuit using the switch lever during SPD replacement or inspection, enabling work without voltage. 5. Safety features even during deterioration. - Built-in automatic disconnection device. - SPD function indicator. - Deterioration contact output support (only for LT-TS2312S, LT-TS2304S). 6. Excellent responsiveness with no continuous current. 7. Three mounting patterns available: - DIN rail. - Mounting with M4 screws (tightening torque: 2.0 to 2.5 N·m). - Connecting mounting plate. 8. Protects line-to-line and line-to-ground with a single unit. 9. Complies with RoHS regulations on hazardous substances.
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【Purpose】 Protects equipment from lightning surges entering from the power supply (lightning strike protection). 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, AC400V, for lighting, for power.
Detailed information
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Installation example
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Space-saving and can be installed in a short time!
catalog（2）
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Lightning separator SPD LT-TS2312, LT-TS2312S, LT-TS2304, LT-TS2304S
Otowa Electric Industry General Catalog
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.
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