Siemens SENTRON 3VA2025-6HL46-0AA0 — 25 A, 4-pole MCCB with ETU320
The Siemens 3VA2025-6HL46-0AA0 is a SENTRON-series molded case circuit breaker (MCCB) rated at 25 A continuous current, 4 poles, with an ETU320 electronic trip unit for line protection. The 25 A rating holds across the full ambient range from -25 °C to 70 °C, meaning no derating needed in a warm enclosure.
Fit and panel integration
Mounts on a standard DIN rail or panel-mount base. Dimensions: 140 mm wide, 181 mm tall, 86 mm deep — four-pole width fits a standard 140 mm cutout. IP40 on the front means it's protected against tools and wires but not washdown; keep it inside a sealed enclosure. The 0.84 W maximum power loss is negligible for thermal budgeting in a packed cabinet.