What this MCCB brings to the panel
The Siemens 3VA2110-6HN36-0CL0 is a SENTRON molded case circuit breaker (MCCB) rated for 100 A continuous current across the full ambient range from 40 °C up to 70 °C — no derating needed until you cross that upper bound. That 100 A holds steady at 45, 50, 55, 60, 65, and 70 °C, so it's a solid choice for a warm enclosure or a panel sitting next to a heat source. Breaking capacity hits 242 kA at 240 V, drops to 187 kA at 415 V and 440 V, then 121 kA at 500 V, and 3.7 kA at 690 V. That 242 kA at 240 V is the headline number — it tells you this breaker can handle a massive fault current on a low-voltage service without failing open or welding contacts. For a 480 V panel, the 187 kA at 440 V is the figure to coordinate against upstream gear. It's a 3-pole design, built for line protection (not motor or generator protection). The auxiliary switch complement is two auxiliary switches plus one trip alarm switch plus one electrical alarm switch — that's four discrete signal paths for status feedback to a PLC or annunciator panel. An undervoltage release (UVR) is fitted, so the breaker will trip if control voltage drops below the release threshold, which is useful for emergency-stop chains or undervoltage protection schemes.
Dimensions and panel fit
The breaker measures 181 mm high, 105 mm wide, and 86 mm deep. That 105 mm width is the standard 3-pole MCCB footprint in the SENTRON 3VA family — it fits the same DIN-rail or mounting-plate hole pattern as other 3VA frames. The 86 mm depth leaves room for rear-connection busbars or a cable-entry gland plate without pushing the enclosure door out.
Environmental and operating limits
Operating temperature range is -25 °C to 70 °C; storage range is -40 °C to 80 °C. Maximum power loss at rated current is 12.5 W — negligible for panel thermal budgeting, but worth noting if the breaker is in a sealed enclosure with other heat sources. No ground-fault monitoring version is fitted; this is a plain line-protection MCCB.