UL listed, it is sized for feeder and main breaker duty in industrial distribution panels, motor control centers, and switchboards where 800 A frame capacity and thermal-magnetic adjustable protection are specified.
Trip unit and termination
TMA trip unit provides thermal-magnetic overcurrent protection — thermal element for overload, magnetic for short-circuit. Fixed front terminals simplify bus-bar and cable landing in a panel layout; no lug kit required for the line and load connections. 3-pole covers three-phase systems; the neutral pole is handled externally per the installation code.