ABB / Trumbull ATT337125 – 125A 3 Pole Molded Case Circuit Breaker Exclusive Offer

Built to support existing industrial systems, the ATT337125 delivers robust overcurrent protection up to 600VAC. This three-pole, 125-amp breaker features a fixed thermal-magnetic trip mechanism for heavy-duty commercial environments. Designed to fit vintage Trumbull switchboards and legacy GE panelboards, it serves as an exact physical match. It is commonly cross-referenced with the TED134125 substitute. With a 30kAIC rating at 480V, it handles demanding fault currents reliably.