The product is installed on 5100 kW electric locomotives. It monitors voltage on phase 121 of the three-phase system, thus controlling when the circuit breaker switches off.
Maximum supply voltage at the F-H terminals: 200Vdc Maximum supply voltage at the A-B terminals: 30Vac Closing delay: 2,5-3,5s Maximum controlled current: 3Adc Protection degree: IP00 Net weight: 0,170kg Operating temperature: -25°C...+70°C Electrochemical coating with cadmium.