Remote racking of circuit breaker

A safer operating environment for electrical substation personnel through the proven method of adding distance between the operator and arc flash incident energy at the switchgear site.

The process of racking a circuit breaker / contactor into and out of the connected position is one of the most frequent exercises that expose an operator to risk. A malfunction during this operation has the potential for catastrophic consequences to personnel and equipment. Increased focus on operator safety has caused owners to question the adequacy of prior switchgear designs that require a manual racking of circuit breaker / contactor. Maintaining a safe distance between personnel and equipment during critical operations such as rack-in / rack-out of circuit breaker / contactor provides the most effective means of avoiding injury by keeping people out of harm’s way.

ABB can offer integrated remote racking solutions implementing the remote control of racking in and out operations of the circuit breakers / contactors.

Benefits

• Increased personnel safety, thanks to the distance between the circuit breaker / contactor and the operator
• Enhanced switchgear operability prevents human errors due to manual operations
• Racking operations are performed by applying the recommended force, thereby preventing damage to the mechanism and      interlocks
• Racking operation possible through SCADA

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