Arc flash protection
Arc Guard TVOC-2 by ABB
Arc Guard TVOC-2 by ABB features upgrades and functions to provide arc flash protection, detecting faults in low- and medium-voltage switchgear and disconnecting the power provided to the arc within 30 to 50 milliseconds, preventing serious injury to personnel and damage to expensive equipment. Without the Arc Guard System, an arc flash will typically trip a circuit breaker in approximately one sec, enough time for the arc to destroy the switchgear and kill or seriously injure a person. TVOC-2 is now UL listed, and when installed along with ABB’s Emax circuit breakers, carries a functional safety rating of SIL-2. The SIL-2 certification confirms that the TVOC-2 has achieved the standard required to protect both humans and equipment.
ABB
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