Personnel Safety :

• All switching operations performed with front door closed

• Earthed metal partitions and shutters prevent contact with live parts

Tolerance to environment :

• Full metal enclosure ensures high resistance to ingress and interference under all operating conditions

• Insulators have high anti-tracking qualities

Operational Security / Maintenance :

• Full mechanical interlocking

• Access door fully integrated in interlock system

• Service-proven maintenance free vacuum circuit breaker, hermetically sealed vacuum interrupters, low maintenance drive mechanism