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Rod type suspension composite insulator
Suitable for high-voltage electrical equipment such as lightning arresters, circuit breakers, capacitors, transformers, transformers, cable terminals and GIS;
Used to support conductors on the transmission and distribution line towers, providing mechanical load and insulation;
Line Pin Type (Post Type) Composite Insulator
Fixed to the iron cross arm to support the wire, providing mechanical load and insulation;
Suitable for high voltage line with hard jumper;
HV transmission lines, suitable for contaminated areas
Isolating switch
Isolated power supply, switching operation, used to connect and cut off small current circuit;
- Commodity name： Isolating switch
- Product Description
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● Purpose: isolated power supply, switching operation, used to connect and cut off small current circuit;
● Color: red, brown, gray or customer requirements;
Applicable standards: IEC, GB, BS, ANSI, AS or customer requirements;
Technical parameters
ModelRated voltage (kV) Lightning full-wave impulse withstand voltage (kV) Power frequency impulse withstand voltage (kV) Rated current (A) Rated short-time withstand current and duration (kA) Rated peak withstand current (mm) Creepage distance (mm) fracture To the ground fracture To the ground GW9-12/630 12 85 75 48 42 630 20/3s 50 ≥ 372kad Note: When the average diameter Da<300mm, ka = 1.0; When the average diameter Da ≥ 300mm, ka = 0.000 5Da 0.85 GW9-12/1250 12 85 75 48 42 1250 31.5/3s 80 ≥ 372kad Note: When the average diameter Da<300mm, ka = 1.0; When the average diameter Da ≥ 300mm, ka = 0.000 5Da 0.85 Order Information:
① Rated voltage; ② Lightning impulse withstand voltage; ③ Power frequency impulse withstand voltage; ④ Rated current
Ps. Different designs can be provided according to customer requirements
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