This LA11021 is a field-installable shunt trip accessory for Schneider Electric PowerPact circuit breakers in the FA, FH, FC, FAL, FCL, and FHL families. It triggers a remote trip when 120...240 V AC is applied to its internal coil. Mounts inside the breaker housing (internal mounting) and works with both 2-pole and 3-pole frames in those series.
Installation note
Internal mounting means the shunt trip sits inside the breaker's accessory compartment. Terminals inside the housing accept the control wiring, with a recommended tightening torque of 6.2...8.9 lbf.in (0.7...1 N.m). Field installable without removing the breaker from the panel.