The LV839088 is a Schneider Electric Masterpact MTZ3 32 HC switch disconnector rated for 3200 A continuous at 104 °F (40 °C), 3-pole, fixed-mount, with push-button control. The breaking capacity is the headline number: 200 kA Icu at 254 V AC (50/60 Hz) with an external relay per ANSI C37.50, 200 kA at 508 V, and 130 kA at 635 V. The short-time withstand rating is 100 kA for 1.5 s (ANSI C37.50), which gives downstream breakers time to clear a fault selectively before this upstream device trips.
Physical footprint: 30.2 in (767 mm) wide, 13.9 in (352.2 mm) tall, 11.7 in (297.7 mm) deep. Fixed-mount design — no draw-out cradle, so the breaker is bolted directly into the switchboard bus. The connection pitch is 9.06 in (230 mm) between phase centers, which is standard for this class of air power breaker. Panel builders need to plan for the full depth clearance behind the door for arc-chamber venting and cable bending radius.