18
②
Single-phase 3 wire system / Three-phase 3 wire system
*Two CTs are required to measure Single-phase 3-wire / Three-phase 3 wire system.
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Pin type
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Screw terminal type
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2) When measuring load with 200V or more system
VT (Voltage transformer) is needed when you measure a load with voltage over 200V system.
Use commercial VT, those secondary rating is 110V.
*Grounding CT’s secondary side (l line) and VT’s neutral line is recommended for the unit protection
when CT or VT breaks down.
①
Single-phase 2 wire system
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Pin type
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<
Screw terminal type
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②
Single-phase 3 wire system / Three-phase 3 wire system
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Pin type
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<
Screw terminal type
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Содержание KW4M
Страница 1: ......
Страница 44: ...38 9 2 Dedicated CT Unit mm Clearance 1 0 For 5A 50A AKW4801 For 100A AKW4802 Attached trunk cable L 1000 ...
Страница 45: ...39 For 250A AKW4803 For 400A AKW4804 ...
Страница 47: ......