Motor protection circuit breaker — CLASS 10, 100 kA SCCR, spring-loaded terminals
The Siemens SIRIUS 3RV2011-1BA20-ZW97 is a motor protection circuit breaker designed for the main current circuit, with phase failure detection and a CLASS 10 trip characteristic — meaning it clears a stalled-rotor overload within 10 seconds at the cold-locked-rotor current, which is the standard for most general-purpose induction motors driving pumps, fans, and conveyors. Rated short-circuit breaking capacity hits 100 kA at 240 V, 400 V, and 500 V AC, and 10 kA at 690 V AC — so it safely interrupts fault currents up to those levels without cascading upstream, which is critical for panel SCCR compliance per UL 508A. Spring-loaded terminals on the main circuit accept 2x (0.5... 4 mm²) solid or stranded wire, and the breaker mounts via screw and snap-on onto a 35 mm DIN rail per DIN EN 60715, in any mounting position. Dimensions are 45 mm wide, 106 mm tall, 97 mm deep — a standard 45 mm module that fits a typical 600 mm wide enclosure with room for side-by-side breakers; clearance requirements are 50 mm upwards and downwards, 30 mm to the side, and 0 mm forwards or backwards.
Sourcing and lifecycle — current production, quoted to order
Operating temperature range is -20 to +60 °C during operation, with storage and transport from -50 to +80 °C — the wider storage range governs handling, not running.
Integration — DIN rail, spring terminals, clearance
Snap the breaker onto a 35 mm DIN rail per DIN EN 60715; the spring-loaded terminals accept 2x (0.5... 4 mm²) wire. No forward or backward clearance needed, but allow 50 mm above and below, and 30 mm to the side for heat dissipation and wiring access.