TVOC-2 is a new generation of the Arc Guard System that protects electrical equipment from dangerous electrical arc flashes. TVOC-2 is now UL-listed, and when installed along with ABB’s Emax circuit breakers, carries a functional safety rating of SIL-2. Feature upgrades include pre-calibrated optical sensors, fiber-optic point sensors and input voltage ratings from 100 VAC to 240 V AC and 100 VDC to 250 VDC.
