Overview
The MGP1252L31 is a Schneider Powerpact 4 molded case circuit breaker rated 125 A at 40 °C on a 415 V supply, with a 25 kA ICu breaking capacity and a TM-D thermal-magnetic trip unit providing LI protection. It is a 2-pole panel-mounted unit with toggle control, conforming to BS EN 60947-2, and is suitable for isolation per that standard.
Schneider discontinued the MGP1252L31 on 2023-07-21; remaining units are sourced through surplus and broker channels rather than current distribution.
How it compares
The MGP1252L31 is a 2-pole breaker; the closest same-series peer is the 3-pole PP42003X, which also carries a 200 A rating and 36 kA ICu. Choose the PP42003X when the panel design requires three poles or a higher short-circuit rating.