LJ-2 4 7 Indoor Cable Type Zero Sequence Current Transformer CT earthing grouding protection power system LJ-1, 2, 4, 7 manufacturer from China Chongqing Enrich Engineering and Technology Co., Ltd

Product Detail

Model No.: LJ-1, 2, 4, 7

Delivery Date: 10 days

Usage: Current

Function: Earthing/grounding protecti...

Packing: Wooden case

Brand Name: Enrich Engineering

Coil Structure: TOROIDAL

Application: power cable

Earthing Grounding Protection Current Transformer
Three-Phase Current Vector Sum
Three-Phase Unbalanced Current
Single-Phase Grounding Current

LJ-1, 2, 4, 7 series zero sequence current transformer

Model description

LJ-1, 2, 4, 7

L: Current transformer

J: Earthing/grounding protection

1, 2, 4, 7: Number of passing cable

Technical parameters

Model	Rated current ratio	Rated secondary output	Relay type	Setting/adjustment current(residual current of secondary loop)	Sensitivity (Primary current of relay acting)	Unbalanced voltage of secondary loop	Weight
Model	A	VA	Relay type	A	A	mV	Kg
LJ-1	20/1	10	DD-11/60	0.03	1-3	40	2.3
LJ-2	25/1						19
LJ-4	30/1						28
LJ-7	35/1					30	32