Siemens 3VA1125-3ED22-0AA0 — SENTRON MCCB for Line Protection
Rated 25 A continuously at 40 °C ambient, with thermal derating to 23 A at 70 °C — the TM210 thermal-magnetic release handles overload and short-circuit protection in a single unit. Breaking capacity reaches 75.6 kA at 240 V AC and 52.5 kA at 415 V AC, sufficient for high-fault-current commercial and light industrial feeders. The 2-pole configuration with IP40 front protection suits panel-mount installations where the front face is exposed but the bus area remains enclosed.
At 70 mm deep, 50.8 mm wide, and 130 mm tall, this MCCB occupies a standard 2-pole modular footprint — 50.8 mm (2 inches) per pole on the DIN rail, matching the SENTRON 3VA family spacing. Rated insulation voltage of 500 V and operating voltages up to 415 V AC or 250 V DC cover common panel bus voltages in North American and IEC markets.
The 3VA1125-3ED22-0AA0 is listed as current production.