The Siemens SENTRON 3VA2110-5KP32-0DL0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current, with an ETU850 electronic trip unit and line protection profile. Its 187 kA breaking capacity at 240 V gives you headroom for high-fault installations — think transformer secondaries or large motor control centers where fault current can spike. The 121 kA at 415 V and 79 kA at 500 V keep it viable across common industrial voltage levels.
Trip unit and ratings
The ETU850 is the brains here — a microprocessor-based release that gives you adjustable overload and short-circuit protection curves, plus communication capability for remote monitoring. The 100 A rating holds flat from 40 °C to 50 °C, then derates linearly to 85 A at 70 °C. That matters if your panel runs hot near the top of the enclosure. Maximum power loss is 12.5 W — modest for this class, but worth factoring into thermal calculations in a dense cabinet. Rated insulation voltage is 800 V, so it's comfortable on 690 V systems. The 4.25 kA at 690 V is the tail-off point — if your fault level at that voltage exceeds that, you need to check coordination upstream.
Dimensions and panel fit
Footprint is 105 mm wide, 181 mm tall, 86 mm deep — standard for the 3VA2 frame size. It mounts via screw terminals or can be bolted onto a mounting plate; no DIN-rail clip on this frame. The 86 mm depth means it clears most 200 mm deep enclosures with room for wiring channels behind it.
Auxiliary and release options
This variant ships with an undervoltage release (UVR) — part of the base switch assembly 3VA2110-5KP32-0AA0 — plus an integrated auxiliary trip module 3VA9608-0BB25. The auxiliary contact block is configured as 2 auxiliary switches + 1 trip alarm switch + 1 electrical alarm switch HQ, giving you status feedback for PLC or SCADA. The UVR drops the breaker on loss of control voltage, which is standard for emergency-stop chains or undervoltage protection schemes.
Environmental range
Operating temperature spans -25 °C to 70 °C; storage range is -40 °C to 80 °C. That covers most indoor industrial environments, including unheated warehouses. The 20 000 mechanical endurance cycles is typical for this class — fine for distribution duty, but if you're switching it daily under load, watch the electrical endurance curve.