Circuit & System Protection


PCB-mounting current transformer

25 September 2002 Circuit & System Protection

Tae Hwa has introduced a full PCB-mounting current transformer (CT), designated the TC 151. This CT is rated for 20 A. With the primary output being a composite part of the unit, the need for a separate conductor to be passed through the CT is avoided. The primary track can now be included on the PCB.

Tae Hwa's range of zero phase current transformers is designed specifically for earth leakage and ground fault interrupters. The range covers from 30 A single phase through to 1200 A. Output voltage characteristics are Vo = 15 mV (min) at Io = 25 mA.



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