LZJC-10 Current Transformer for Small Switchgear

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Product Details

LZJC-10 Current Transformer for Small Switchgear is a current measurement device designed for 6~35kV air-insulated switchgear. It is widely used for current measurement, protection and monitoring in power systems. Especially for small switchgear, it is favored for its compact design and efficient performance.

Characteristic of structure

The iron core, the primary winding and the secondary windingare all enclosed in the epoxy resin casting body. The sign ofoutput terminal is Pi and P2. The output terminal of the secondarywindings(the first one, Measurement Class)is 1S1, 1S2, Theoutput terminal of the secondary windings (the second one,Protection Class)is 2S1, 2S2. The four holes below the casting arefor installing.

Technical Parameters

Technical data
Rated insulation level	12/42/75kV
Power factor of load	COSФ =0.8(lagging)
Rated secondary current	5A or 1A
Rated frequency	50 or 60Hz
Anti-Pollution grade	Class ll
Ambient temperature	-5 ℃-40℃,daily average temperature not more than 30℃
Altitude	≤1000m
Standard	GB 1208-2006

Type	Rated primary current	Accuracy class combination	rated output			Accuracy Coefficient	1s thermal current(KA)	Rated dynamic current
			0.2Class	0.5Class	10PClass
LZJC-10	5	0.2/10P or 0.5/10P	10	15	15	10	90	200
	10
	15
	20
	30
	40
	50
	75
	100
	150
	200
	300						24.5	44
	400
	500						32	59
	600
	800						45	112.5
	1000

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