SENTRON 3VA1110-4GD46-0AA0 — 100 A MCCB for Line Protection
The Siemens SENTRON 3VA1110-4GD46-0AA0 is a 4-pole molded case circuit breaker (MCCB) rated for 100 A continuous current, designed for line protection in distribution panels. It carries a TM210 thermal-magnetic overcurrent release, meaning the thermal element tracks the load current for overload protection while the magnetic element handles short-circuit trips. The interrupting rating hits 121 kA at 240 V AC, 75.6 kA at 415 V, and 52.5 kA at 440 V, tapering to 11.9 kA at 500 V and 690 V — figures that govern SCCR coordination in the downstream panel.
Thermal Derating and Panel Fit
The breaker holds its full 100 A rating up to 50 °C ambient; above that it derates linearly to 91 A at 70 °C. That matters for a crowded enclosure where internal temperature rise is a given — the 70 mm depth and 101.6 mm width fit a standard MCCB footprint, and the IP40 front means it's protected against solid objects over 1 mm but not sealed against moisture. No undervoltage release, no ground-fault monitoring, no communication module — this is a straight line-protection device, specified when you don't need auxiliary functions.
Specs Summary
Insulation voltage rated at 800 V. Maximum power loss 25 W. Operating temperature range -25 °C to 70 °C; storage from -40 °C to 80 °C. No trip indicator, no voltage trigger, no communication function. The overcurrent release design is TM210. For DC switching applications, the manufacturer directs to the 3VA molded case circuit breaker device manual.