MCCB for distribution panels — 32 A, 10 kA, 4P
The Schneider Electric G12T4A32 is a GoPact MCCB 125 moulded-case circuit breaker, 4-pole, with a TM-D thermal-magnetic trip unit rated 32 A at 40 °C. It provides LI protection — thermal for overload (L) and magnetic for short-circuit (I) — and is suited for distribution applications in backplate-mounted panels.
Pollution degree 3 means the breaker tolerates conductive pollution (condensation, light dust) typical of industrial enclosures.
Fixed mounting on a backplate, with front-facing screw terminals for both line and load connections. The 4-pole breaker occupies a 100 mm width, 130 mm height, 60 mm depth footprint — plan for a 25 mm connection pitch between phases. Neutral is on the left, and the toggle handle provides manual control. IP20 finger protection is standard for enclosed panels; the breaker is not rated for washdown environments.
Rated insulation voltage 440 V AC; operational voltage 415 V AC. Electrical endurance 8000 cycles at rated current; mechanical endurance 30000 cycles. Power dissipation 18.7 W per pole — factor into enclosure thermal calculations.