Siemens 3VA4110-6ED24-1AA0 — SENTRON 2-Pole MCCB, 100 A Frame
The Siemens 3VA4110-6ED24-1AA0 is a 2-pole SENTRON molded-case circuit breaker (MCCB) in the System Protection product version, rated for continuous current of 100 A at 40 °C and carrying a 100 kA interrupting capacity at 240 V. It uses the TM210 thermal-magnetic overcurrent release — a fixed thermal element with adjustable magnetic trip — so the long-time pickup is fixed at 100 A, while the instantaneous magnetic trip is adjustable between 1000 A and 1000 A (fixed at 10x In for this release variant). The interrupting rating steps down with system voltage: 65 kA at 480 V, and 25 kA at 600 Y/347 V, which covers most North American 480/277 V distribution panels and 600 V class industrial feeds.
Thermal Derating and Ambient Performance
The breaker holds its full 100 A rating through 50 °C ambient, then derates linearly: 98 A at 55 °C, 96 A at 60 °C, 93 A at 65 °C, and 91 A at 70 °C — useful when the MCCB is mounted in a crowded enclosure or near heat sources. Operating ambient range is -25 °C to +70 °C, with storage from -40 °C to +80 °C; the 15.2 W maximum power loss at rated load should be factored into the enclosure thermal budget.
Physical Fit and Panel Integration
Dimensions are 129.4 mm high, 50.8 mm wide, and 75.1 mm deep — a 2-inch wide footprint that fits standard MCCB panel cutouts and leaves room for side-by-side mounting on a DIN rail or direct panel mount. Front-face protection is IP40, suitable for enclosed distribution boards where incidental tool or finger contact is the concern; the breaker is not rated for washdown or outdoor exposure without an additional enclosure.