The Wahl Breaker WB140 is designed to warn of possible component failure or overheat of circuit breakers, motors and electrical equipment due to overheat conditions. Wahl Breaker provides a visual indication of when a breaker requires attention and continuously monitors 24/7 with no interruption due to power failure or battery exhaustion.

The indicator is an easy-to-install, self-adhesive, temperature recording label with a silver gray indicator that turns permanently and irreversible black in less than one second with +/- 1% accuracy, traceable to NIST. The Wahl Breaker provides a permanent record of overheating making it a tool for every company’s predictive and preventive maintenance programs.

Simply apply the self-adhesive indicator to a clean, dry surface on each breaker or other piece of equipment. Peel backing material from Wahl Breaker and press adhesive side firmly to smooth out all air bubbles. Rated temperature has been reached when an indicator turns irreversible black.