The roof disconnecting switches, change-over switches and disconnecting-earthing switches are designed for no-load disconnecting, reconnecting and earthing of electric circuits of the traction vehicle. The switches can be controlled with pneumatic or electric drive that can be equipped by emergency manual control or it could be controlled manually only. The switches are intended for installation to the roof hole or on the roof. The disconnecting path is always visible.
Compliant with IEC 60077-1, 2, EN50124-1 and EN 50163, EN45545-2, EN50388, NFPA130 (indoor applications).
| Descriptions | Parameters |
|---|---|
Temperature range | -50° C ÷ + 70°C (or according to request) |
Rated voltage | Up to 25 kV AC |
Nominal current | Up to 4,000 A |
Control voltage | (24, 72) 110 V DC (or according to request) |
Overvoltage degree | OV3/OV4 EN 50124-1 |
Pollution degree | PD4 EN 50124-1 |
Disconnecting – earthing switches protect by earthing function 1,5 kV and 3 kV circuits during operations under AC overhead line.
| Descriptions | Parameters |
|---|---|
Temperature range | -50° C ÷ + 70°C (or according to request) |
Rated voltage | Up to 25 kV AC |
Nominal current | Up to 4,000 A |
Control voltage | (24, 72) 110 V DC or according to request |
Overvoltage category | OV3/OV4 EN 50124-1 |
Pollution degree | PD4 EN 50124-1 |
| Descriptions | Parameters |
|---|---|
Temperature range | -50° C ÷ + 70°C (or according to request) |
Rated voltage | Up to 25 kV AC |
Nominal current | Up to 4,000 A |
Control voltage | (24, 72) 110 V DC (or according to request) |
Overvoltage degree | OV3/OV4 EN 50124-1 |
Pollution degree | PD4 EN 50124-1 |
| Descriptions | Parameters |
|---|---|
Temperature range | -50° C ÷ + 70°C (or according to request) |
Rated voltage | Up to 25 kV AC |
Nominal current | Up to 4,000 A |
Control voltage | (24, 72) 110 V DC (or according to request) |
Overvoltage degree | OV3/OV4 EN 50124-1 |
Pollution degree | PD4 EN 50124-1 |
| Descriptions | Parameters |
|---|---|
Temperature range | -50° C ÷ + 70°C (or according to request) |
Rated voltage | Up to 25 kV AC |
Control voltage | (24, 72) 110 V DC (or according to request) |
Overvoltage degree | OV3/OV4 EN 50124-1 |
Pollution degree | PD4 EN 50124-1 |
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