The 3VM1150-3ED42-0AA0: Breaking capacity is 76 kA at 240 V, 53 kA at 415 V, 32 kA at 440 V, and 12 kA at 500 V — that covers most industrial distribution panels fed from a 400 V-class transformer. The 690 V rated insulation voltage (Ui) means it's comfortable in 480 V systems with margin. Current rating holds flat at 50 A from 40 °C through 50 °C, then derates to 49 A at 55 °C, 48 A at 60 °C, 46 A at 65 °C, and 45 A at 70 °C. If your panel ambient runs above 50 °C, size the load accordingly — the 50 A nameplate is only good up to that point.
Mounting and integration
Front face carries IP40 protection — fine for a clean indoor panel, but not for washdown zones. Dimensions are 130 mm high, 101.6 mm wide, 70 mm deep; it mounts on a DIN rail or direct panel, so it fits the standard MCCB footprint in a SENTRON distribution board. No communication module, no ground-fault monitoring, no N-conductor protection built in — this is a straight line-protection breaker. The TM210 release has an adjustable li (long-time pickup) up to 500 A, but the frame rating is 50 A, so that adjustment range is for coordination tuning, not uprating.
Lifecycle and sourcing
Lifecycle status is current — no phase-out or NRND flag. That means it's still a standard catalog item from Siemens, not a last-time-buy scavenger hunt. For a BOM freeze or a panel that needs a spare, this one is a straight order.