What this MCCB delivers in the panel
The Siemens SENTRON 3VA1132-5EF36-0AE0 is a 3-pole molded case circuit breaker rated for 32 A continuous current, holding that rating all the way up to 50 °C ambient — no derating needed until you cross 55 °C, where it steps to 31 A, and 30 A at 65 °C. That thermal curve matters when you pack breakers tight in a panel; the 70 mm depth and 76.2 mm width leave room for gland plates and wire bending space without crowding the next device. Breaking capacity is the headline: 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at both 500 V and 690 V. That range covers most industrial service-entrance and distribution applications where high fault current is a given — the 187 kA figure at 240 V tells you this breaker can sit upstream of a transformer or at a main switchboard without worrying about cascading failure. Rated insulation voltage is 800 V, so the internal clearances and creepage are sized for 690 V systems with margin. The TM240 overcurrent release is a thermal-magnetic type — thermal element for overload, magnetic for short-circuit — standard for line protection duty, no undervoltage release or ground-fault monitoring fitted on this variant.
Sourcing and lifecycle posture
For compliance documentation: the SENTRON 3VA series typically ships with CE, UL, and CSA certifications, and the manufacturer provides RoHS and REACH declarations. Specific certificate numbers should be confirmed at quote time against your jurisdiction — UL 489 for North America, IEC 60947-2 for global installations.
Integration notes for the panel builder
Mounts on a DIN rail or direct-panel via the screw terminals. The 130 mm height and 70 mm depth fit standard distribution board cutouts; the 76.2 mm width (3 inches) is the 3-pole footprint. Power loss is 10.6 W maximum — negligible for thermal budgeting in a ventilated enclosure, but worth noting if you're grouping multiple breakers in a sealed stainless box. Operating temperature range is -25 °C to 70 °C; storage range is -40 °C to 80 °C. That covers most indoor industrial environments, including unheated warehouses. No communication function or voltage trigger on this variant — it's a straight line-protection device, not a smart breaker.