Otowa Electric Industry Co., Ltd.

■Features 1. Attenuates the intrusion surge from the primary (input power supply) side to approximately 1/100 (10,000V→100V) 2....

2 models listed

• Transformers

• High Voltage Isolation Transformers

■Features 1. Attenuates intrusion surge to approximately 1/10,000 (10,000V→1V) 2.Reliably attenuates not only surges coming fro...

3 models listed

• Transformers

• High Voltage Isolation Transformers

■Features 1.Measures transient ground resistance values ​​(effective surge impedance) that cannot be measured with a ground res...

• Analyzers

• Impedance Analyzers

■Features 1.Design a grounding terminal board according to customer requirements A JIS-compliant grounding SPD is built into th...

• Terminals / Interfaces

• Terminal Boards

■Features 1.Small and lightweight type 2. Attenuates the intrusion surge from the primary (input power supply) side to approxi...

• Transformers

• High Voltage Isolation Transformers

■Features 1. Impulse current 100kA (10/350μs) 2. Compatible with contact output (b contact) 3.Used for connection between groun...

• Surge Countermeasures

• Lightning Arresters

■Features 1.Improved efficiency and compactness An integrated structure that combines each SPD reduces wiring man-hours and sig...

3 models listed

• Surge Countermeasures

• Lightning Arresters

■Features Compatible with special specifications of 1.100kV or more We provide detailed support for equipment dielectric streng...

• Meters & Instruments

• Insulation Resistance Testers

■Features 1.Attenuates the intrusion surge from the primary (input power supply) side to approximately 1/1,000 (10,000V→10V) 2...

4 models listed

• Transformers

• High Voltage Isolation Transformers

■Features 1. Protects network devices such as ITV cameras and computers connected to LAN cables. 2. Compatible with Gigabit Et...

• Surge Countermeasures

• Lightning Arresters

■Features 1. Supply power to SPD with PD function display function 2. Contact output in conjunction with SPD function display ...

• Controllers

• Power Control Units

■Features 1.Insulation penetration type, just attach it to the insulated wire The conductive blade penetrates the wire sheathin...

• Connectors

• Cable Connectors

■Features 1. Uninterrupted disconnection When the lightning arrester deteriorates, it automatically disconnects the grounding w...

• Safety Devices

• Electric Cutouts

■Features 1, Small size, lightweight and easy to install 2. Compatible with modular outlets 3. Excellent responsiveness and n...

• Surge Countermeasures

• Lightning Arresters

■Features 1.Surge arrester specifically for DC train lines The DC nominal voltage is 1,500V, and the discharge start voltage is...

• Surge Countermeasures

• Lightning Arresters

■Features 1. Equipped with a long-life lead battery (expected lifespan of 10 years) and maintenance-free, providing overwhelmin...

3 models listed

• Power Supplies

• UPS

■Features 1.Easy to install and remove 2. Inspection work is safe because it can be reliably separated from the track. 3.Preven...

• Connectors

• Cable Connectors

■Features 1. Determine whether it is lightning surge or load abnormality The "reset breaker" is an automatic power breaker rest...

10 models listed

• Safety Devices

• Breakers

■Features 1.Design SPD panel according to customer's request We offer panels that combine a wide variety of products such as SP...

• Surge Countermeasures

• Lightning Arresters

■Features 1. Design and manufacture of impulse (voltage/current) generators In addition to the standard impulse voltage (1.2/50...

• Generators

• Pulse Generators

■Features 1. Protects network devices such as ITV cameras and computers connected to LAN cables. 2. Compatible with degraded c...

• Surge Countermeasures

• Lightning Arresters

■Features 1. Equipped with a long-life lead battery (expected lifespan of 10 years) and maintenance-free, providing overwhelmin...

6 models listed

• Power Supplies

• UPS

■Features 1.Same dimensions as safety breaker 2. Can be installed on the distribution board using the empty space for one safet...

• Surge Countermeasures

• Arresters

■Features 1.Protect devices such as IP phones from lightning surges 2.Excellent protection performance due to bypass circuit I...

• Surge Countermeasures

• Surge Protectors

■Features 1.Protects network equipment and computers connected to LAN cables without the need for grounding Built-in high-volta...

• Surge Countermeasures

• Lightning Arresters

■Features 1. Attenuates intrusion surge to approximately 1/10,000 (10,000V→1V) 2.Reliably attenuates not only surges coming fro...

2 models listed

• Transformers

• High Voltage Isolation Transformers

■Features Suitable for 1.6.6kV system phase advance capacitor circuits where there is overcurrent/overtemperature relay operati...

2 models listed

• Connectors

• Cable Connectors

■Features 1.Built-in disconnection device/with SPD function display ・Built-in disconnection device when ZnO element deteriorat...

5 models listed

• Safety Devices

• Varistors

■Features 1.Uses high performance zinc oxide element Performance above JIS C 4608 2.With three-pole interlocking disconnection...

4 models listed

• Surge Countermeasures

• Lightning Arresters

■Features 1. Two types of power switching types can be selected. ・Automatic type ・Manual type 2.Design a power switchboard a...

• Relays

• Relay Boxes