Siemens 3VA4112-4ED34-0AA0 is a three‑pole molded‑case circuit breaker (MCCB) in the Siemens 3VA family, rated for 125 A with a TM210 thermal‑magnetic trip unit. It provides 25 kA interrupting capacity at 480 V (AC) and is UL 489 listed with HACR rating for general electrical protection. The device’s envelope measures 129.4 mm high by 76.2 mm wide by 75.1 mm deep, and it uses bottom, low‑tab terminals that accept 8 AWG to 3/0 conductors on the infeed side. Operating temperature range is -25°C to 70°C, with front IP40 protection.
