The Siemens SENTRON 3VA1163-4EF32-0DH0 is a 3-pole molded case circuit breaker (MCCB) rated for 63 A continuous current at 40 °C, with a TM240 thermal-magnetic release. Its interrupting capacity reaches 121 kA at 240 V, 75.6 kA at 415 V, and 52.5 kA at 440 V — figures that govern fault-clearing in high-available-fault-current distribution panels.
Selectivity and coordination
The 121 kA SCCR at 240 V means this breaker can interrupt faults up to that level without upstream devices needing to trip — critical for selective coordination in a main or feeder position. At 415 V the rating drops to 75.6 kA, still sufficient for most industrial 400 V distribution. The TM240 release provides thermal protection for overloads and magnetic protection for short-circuits. No electronic trip unit, no communication module — this is a straight thermal-magnetic device suited for standard motor and feeder protection where adjustable curves aren't required.
Panel fit and auxiliaries
Dimensions: 130 mm height, 76.2 mm width, 70 mm depth — fits standard SENTRON 3VA panel cutouts. IP40 on the front, suitable for enclosed distribution boards. The integrated undervoltage release (UVR) is factory-fitted; auxiliary contact version provides 2 auxiliary switches plus 1 trip alarm switch (HQ).