Siemens SIRIUS 3RV2742-5BD10 S3 circuit breaker, rated 15 A, breaking capacity 100 kA and 50 kA. UL 489 listed, mounts on 35 mm DIN rail in any position, accepts solid 2x (2.5–16 mm²) or stranded 1x (10–70 mm²).
Panel integration
Fasten via screw and snap-on onto 35 mm DIN rail per EN 60715. M8 main contact bolts tightened with 4 mm hex socket. Allow 70 mm clearance above and below for arc quenching; 10 mm side clearance is adequate. Operational temperature range -20 to +60 °C, storage -50 to +80 °C. Humidity 10–95% non-condensing. Power dissipation 14 W at rated current in hot state.
Lifecycle & sourcing
Production lifecycle stage is current (active). RoHS compliance effective 2017-03-01. This is a dedicated UL 489 breaker; no functional cross to the listed PEP MPNs (6AG1516-3AN00-2AB0 etc.) — those are PLC CPUs, not protection devices. Auxiliary switch slot available for add-on contacts. If you're running a BOM line or sitting on a pallet lot, drop an RFQ and we'll get you a number.