Direct starter for 60 mm busbar systems
The Siemens 3RA2115-1CH15-1FB4 is a factory-assembled direct-on-line starter from the SIRIUS family, size S00, designed specifically for snapping onto 60 mm busbar systems.
The 750 W rating at 400 V AC-3 defines the maximum three-phase motor load this starter can switch under standard starting conditions — a 0.75 kW motor at 400 V line-to-line. Spring-loaded terminals on both the main and auxiliary/control circuits eliminate the need for screwdriver torque checks — push the stripped wire in and the cage clamps it. The supplied contactor is a 3RT2015-2FB41, the link module is 3RA2911-2AA00, the circuit breaker is a 3RV2011-1CA25, and the busbar adapter is 8US1251-5DT11 — all matched for the S00 frame. Mounting position is vertical only, with required clearances: 50 mm upwards, 20 mm forwards, 10 mm downwards, 20 mm at the side, and 0 mm backwards (–). The 45 mm width and 260 mm height fit standard S00 panel layouts; the 155 mm depth accounts for the busbar adapter and wiring space.