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Home > Electrical & Electronics > Power Transmission & Transformer > Transformer > LJM-1, 2, 3 Bus-Type Indoor Busbar Type Zero Sequence Current Transformer CT Earthing Protection Residual CT for Power System
LJM-1, 2, 3 Bus-Type Indoor Busbar Type Zero Sequence Current Transformer CT Earthing Protection Residual CT for Power System
US$ 80 - 300
MOQ: 1 Piece
Key Specifications
Get Latest Price
Brand Name:
Enrich
Place of Origin:
China
Model Number:
LJM-1,2,3
Payment & Shipping
Payment Methods:
Port of Shipment:
Chongqing
Delivery Detail:
15 days
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Brand Name
Enrich
Place of Origin
China
Model Number
LJM-1,2,3
Usage
Current
Phase
Single
Coil Number
Other
Coil Structure
Other
LJM zero sequence current transformer
Type description
LJM-1,2,3
L: Current transformer
J: Earthing/grounding protection
M: Busbar type
1,2,3: Busbar number
Technical data
Technical data 1: for zero sequence protection
Model |
Rated primary current Im(A) |
Ith/2S(kA) |
Dynamic current(kA) |
Weight(Kg) |
Insulation level(rated voltage/power frequency withstand voltage) (kV) |
LJM-1 |
1750 |
24/2 |
60 |
77 |
10/30 |
LJM-2 |
3000 |
48/2 |
120 |
118 |
|
LJM-3 |
4000 |
72/2 |
180 |
159 |
Mating with relay: DD-11/60, primary residual current 2.4A, setting current of relay 0.06A, excitation impedance at sec-winding parallel connection≥10Ω
Technical data 2: for microcomputer protection
Secondary connection type |
Rated current ratio(A) |
Accuracy class |
Rated secondary output(VA) |
Parallel connection |
30/1 |
10P10 |
3.75 |
Series connection |
60/1 |
7.5 |
Send Inquiry to This Supplier
Business Type
Trading Company
Overseas Office
Yes
Product Certifications
ISO9001, ISO9000, ISO14000
Port of Shipment
Chongqing
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