The Siemens SENTRON 3VA1110-3ED12-0AA0 is a 1-pole molded case circuit breaker rated 100 A at 40 °C, built for line-protection duty with a TM210 thermal-magnetic overcurrent release. It carries a 52.5 kA interrupting rating at 240 V AC and 7.5 kA at 415 V AC — enough to handle high-fault utility feeds in a distribution panel. The 25.4 mm width (1 in) lets it fit a standard single-pole MCCB slot without extra panel space.
Ratings and derating
Rated 100 A continuous at 40 °C ambient; holds that rating up to 50 °C. Above that it steps down: 98 A at 55 °C, 96 A at 60 °C, 94 A at 65 °C, and 91 A at 70 °C. If the panel runs warm — near a transformer or tightly packed breakers — the 70 °C derating to 91 A is the number to use for your load budget.
Mounting and integration
Mounts on a DIN rail or panel-mount base. The 70 mm depth and 130 mm height fit standard 1-pole MCCB cutouts. Front IP40 protects against tool contact in a closed panel; no additional gland plate sealing is needed for typical indoor distribution boards.
