products

Potential Transformer

LMZK4 split core potential transformer is suitable for measurement of primary current, or for protection of electrical equipments such as microcomputer in 10KV and 35KV AC power distribution networks. It is widely used in fully insulated ring network switchgears such as ABB-Safe Ring/Safe Plus...and cable distribution boxes. The transformer can be directly installed at the inlet and outlet of the GIS or AIS cables. The semicircular ring core and secondary windings are vacuum poured by insulated resin. This CT is also used for signal acquisition for RTU or FTU.

item no.:
LMZK4

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details

LMZK4 split core (easy to open-close type) potential transformer is convenient for installation (no need to reconstruct the substation power cable networks).
P1, P2 are primary polarity terminals. S1, S2 are secondary polarity terminals.

P2, S2 are homonymous (minus polarity).

TECHNICAL PARAMETERS of Split Core Potential Transformer LMZK4

Model	LMZK4-10
Voltage level	10kV
Rated primary current	50-600A
Rated burden	≤5VA
Rated frequency	50Hz or 60Hz
Rated secondary current	5A or 1A
Rated continuous over-current	120%I1
Insulation strength	AC 3kV, 1min
Applicable primary cable diameter	Φ20mm to φ40mm
Dimensions (d×D×H) (mm)	Φ40xφ110x55
Operating temperature	-25°C to +40°C

TECHNICAL DATA of Split Core Potential Transformer LMZK4

Model	LMZK4-10
Voltage level	10kV
Type	Current transformer for measurement			Current transformer for protection
Accuracy class	0.5	1	3	10P10	10P5
Current rating PRI:SEC Amperes	Rated burden (VA)			Rated burden (VA)


50:1			2.5
75:1			2.5
100:1		2.5
150:1		2.5
200:1	2.5	3.75		1.5	2.5
300:1	3.75	5		3.75	5
400:1	5			5
500:1	5			5
600:1	5			5
50:5			2.5
75:5			2.5
100:5		2.5
150:5		2.5
200:5	1.5	2.5		1.5	2.5
300:5	3.75	5		3.75	5
400:5	5			5
500:5	5			5
600:5	5			5

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Xiamen Andaxing Electric Group Co.,Ltd TEL：86-592-3102888 or 3170079 FAX：86-592-3170008 Email : ade@cnade.net ADD：58th, Siming Park, Tong’an Industrial Zone, Xiamen, China. Zip Code : 361100 Websites : www.andaxingelectric.com www.andaxing.net www.cnade.net

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