The Siemens 3VA1010-2ED42-0CC0 is a SENTRON molded case circuit breaker (MCCB) rated for line protection in 4-pole configuration. It carries a continuous current of 100 A at 40 °C (derated to 91 A at 70 °C), and its breaking capacity reaches 52.5 kA at 240 V, 32 kA at 415 V, and 7.5 kA at 690 V. The unit includes an undervoltage release and two auxiliary switches (HQ design) — both factory-integrated, so no separate ordering or wiring for those functions.
Sizing and selectivity
At 100 A this MCCB covers typical feeder or large branch circuits in industrial panels. The 4-pole version is used where a neutral must be switched or where the supply is a 3-phase + N system. The undervoltage release (UVR) trips the breaker when control voltage drops below a threshold — common in emergency-stop chains or power-loss protection schemes. The two auxiliary switches (HQ) provide status feedback (open/closed) to a PLC or indicator lamp.
Panel fit
Dimensions are 130 mm high, 101.6 mm wide, and 70 mm deep. The breaker mounts onto a DIN rail or panel-mount adapter (standard SENTRON 3VA footprint). The 4-pole width (101.6 mm) matches the typical 4-module MCCB slot. The undervoltage release and auxiliary switches are internal — no extra modules protruding beyond the face.