Installation report
110-0084.9 / 15 NXAIR / 40 kA 215
Mechanical function and interlocks
Is the high-voltage door interlocked as soon as the withdrawable part / switching-
device truck is not in "interlocked test position"?
Is the high-voltage door interlocked as soon as the switch-disconnector fuse
combination is in "CLOSED position" in the switch-disconnector panel?
Unlocking and locking function of withdrawable part / switching-device truck
tested with double-bit key according to Operating Instructions?
Is closing of the circuit-breaker locked out while racking the withdrawable part /
switching-device truck?
Is closing of the vacuum contactor locked out while racking the withdrawable part /
switching-device truck?
Is racking in and out of the withdrawable part / switching-device truck interlocked when
the circuit-breaker is in “CLOSED” position?
Is racking in and out of the withdrawable part interlocked when the vacuum contactor
is in “CLOSED” position?
Is racking-in of the withdrawable part / switching-device truck interlocked when the
earthing switch is in "CLOSED" position?
Is closing of the earthing switch only possible when the withdrawable part /
switching-device truck is in "interlocked disconnected position"?
Is closing of the earthing switch only possible when the switch-disconnector fuse
combination is in "OPEN position" in the switch-disconnector panel?
Withdrawable parts / switching-device trucks with same codification interchangeable?
Interlocks between service truck and panel respectively withdrawable part are smooth?
Interlocks between switch-disconnector fuse combination and earthing switch are
tested in the switch-disconnector panel?
Function of the earthing switches or position indicators tested?
Mechanical function and interlocks
Closing and opening of the circuit-breaker performed manually and by electrical
command?
Closing of the circuit-breaker locked out during spring charging?
Electrical anti-pumping protection of the circuit-breaker tested?
Position indicator for "spring charged" indicator and operations counter tested for
proper functioning?
Closing and opening of the vacuum contactor performed by electrical command?
Opening of the vacuum contactor performed manually?
Function of the voltage indicators checked?
Electrical position signaling and remote control
Position signaling and remote control was tested up to:
Terminal strip in feeder panel?
Digital input/output unit?