GW1-27.5(2×27.5) Isolation switch for outdoor railway overhead contact line
GW1-27.5(2×27.5) Isolation switch for outdoor railway overhead contact line
Rated voltage (kV)：27.5
Rated frequency (Hz)：50/60
Rated current (A)：1250、1600、2000、2500
Rated peak withstand current (kA)：80、100
Product use and characteristics
This product is a double-column vertical breaking structure, can be attached to the ground switch, is a catenary equipment in the case of voltage but no load to cut off or close the line used for electrical equipment, in order to convert the high-voltage line, change the mode of operation, and maintenance of the bus and circuit breaker and other high-voltage electrical equipment to implement safe electrical isolation.
The isolation switch is equipped with SRCJ12 electric mechanism or SRCS manual mechanism, the operation pull rod is vertically drawn, and the bipolar isolation switch is composed of two single-pole isolation switches.
Product parameter
Serial number | Project | Argument |
1 | Rated voltage (kV) | 27.5 |
2 | Rated frequency (Hz) | 50/60 |
3 | Rated current (A) | 1250、1600、2000、2500 |
4 | Rated peak withstand current (kA) | 80、100 |
5 | Rated short-time withstand current (kA) | 31.5、40 |
6 | Rated short circuit duration (s) | 3、4 |
7 | Mechanical life (times) | 12000 |
Frequently Asked Questions
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