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E-mail
info@hioki.com.cn
- Phone
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Address
Room 4705, Raffles Plaza, 268 Xizang Middle Road, Huangpu District, Shanghai
Rizhi (Shanghai) Measurement Technology Co., Ltd
info@hioki.com.cn
Room 4705, Raffles Plaza, 268 Xizang Middle Road, Huangpu District, Shanghai
Use a relay (50/60Hz, 1.0% rating) to expand the input range
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N=(primary current of CT) ÷ (maximum scale value of the instrument)
N conductors pass through the central hole and are wound.
For example, in the case of 120 A: 30 A,
(120 A ÷ 30 A)=4 conductors pass through the central hole