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Methods of wiring protective devices

 

With an RP-100 type power supply protective device

 
With an RP-100 type power supply protective device
 
 

With an AV-201 power supply protective device

 
Depending on the power supply system, AV201 is connected as described below
 
Single‐phase two‐wire system Single phase 3-wire system, Tripe phase 3-wire system
 
 

4 wire system circuit of 「」-NM type protective device

 
When using NM type protective devices for protecting sensors and other 4 wire system circuits, connecting as described below enables voltage between wires to be suppressed.
 
4 wire system circuit of 「」-NM type protective device
 
 
 

Lightning protection

 

Lightning rod (air termination section) angle of protection

The relationship between impulse and DC spark-over voltage

Withstand voltage of communications equipment

Basic concepts of lightning protection countermeasures

Installation locations of protective devices

Comparison of lightning-proof transformers and power supply protective devices

Equipment withstand voltage damage

●Methods of wiring protective devices

 

How lightning enters

The effect of lightning

Lightning protection related standards

Lightning damage and the human body

Arrester follow current

Operating principles of protective devices (when compared to water…)

Methods of protecting telecommunications equipment

Electropotential (voltage)

 
 
 

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