5 - 1
 
 
 
5. Peripheral Devices 
 
 
5-1  Selecting the wire size ....................................................................................................................... 5-2
 
5-1-1 Example of wires by unit .............................................................................................................. 5-2 
5-2  Selection of no-fuse breaker and contactor ....................................................................................... 5-4 
5-2-1  Selection of no-fuse breaker ....................................................................................................... 5-4 
5-2-2  Selection of contactor.................................................................................................................. 5-5 
5-3  Selection of earth leakage breaker .................................................................................................... 5-6 
5-4  Selection of control power supply ...................................................................................................... 5-7 
5-5  Noise filter .......................................................................................................................................... 5-8 
5-6  Surge absorber .................................................................................................................................. 5-9 
5-7  Relay ................................................................................................................................................ 5-10