Siemens 3VF3312-1MX41-0AA0 Molded Case Circuit Breaker

Siemens 3VF3312-1MX41-0AA0 is a four‑pole molded‑case circuit breaker from the 3VF3 family, designed to protect electrical distribution circuits with a current rating up to 200 A and a short‑circuit breaking capacity of 40 kA at 415 V. This MCCB ships without an auxiliary release or alarm switch, aligning with configurations that require standard protection without optional accessories. Weighing about 6.35 lb, it is a rugged, panel‑mountable protection device built for Siemens protection architectures in industrial and commercial power systems. The part number 3VF3312-1MX41-0AA0 denotes a 4‑pole, high‑capacity variant within the 3VF3 series, suitable for 4‑pole configurations on 415 V systems and intended for use where reliable, centralized overcurrent protection is required. With a 40 kA short‑circuit rating at 415 V, this breaker provides robust protection for feeders and equipment against damaging overcurrents, while its molded‑case construction offers compact form factor and straightforward integration into standard Siemens panels and protection schemes. This specific model is ideal for installations needing a heavy‑duty, factory‑assembled MCCB without additional accessories, delivering dependable current interruption and isolation for medium‑to‑large distribution circuits.