SIEMENS 3RA6250-1BB33

Siemens SIRIUS Compact Reversing Starter 1.25A 24V DC 3RA6250-1BB33 Description The Siemens 3RA6250-1BB33 is a high-efficiency compact reversing starter from the renowned SIRIUS series. It integrates a motor protection circuit breaker, reversing contactor pair, and an electronic overload relay into a single, compact housing. This device is designed for the protection and switching of three-phase motors up to 0.37 kW at 400V AC. Its fuseless construction simplifies design and reduces installation time and cabinet space. Specifications Manufacturer: Siemens Product Line: SIRIUS Model: 3RA6250-1BB33 Type: Compact Reversing Starter Control Supply Voltage: 24V DC Current Setting Range: 0.32 to 1.25 A Rated Operational Voltage (Ue): up to 690V AC Rated Power at 400V AC: 0.37 kW Connection Type: Screw terminals Integrated Auxiliary Contacts: 1 NO + 1 NC Label Info Model: 3RA6250-1BB33 EAN: 4011209715189 Ie max: 1.25 A Ue max: 690V P (400V): 0.37 kW Application This compact reversing starter is ideal for applications requiring frequent starting and reversing of small motors, such as in conveyor systems, positioning drives, machine tools, and material handling equipment where space is at a premium. Country of Origin Made in Germany. CO2 Impact By choosing this reused industrial part, you are saving an estimated 34.6 kg of CO2 emissions. This is equivalent to the carbon absorbed by over 1.5 trees in a year. Make a sustainable choice for your operations. Availability This item is in stock and ready for immediate dispatch. Order now from profideals for expert support and fast delivery. FAQ Question?What is the main advantage of the 3RA6 compact starter over a traditional motor starter assembly?Answer: The primary advantage is its compact design. The 3RA6 integrates the functions of a motor circuit breaker, two contactors (for reversing), and an electronic overload relay into a single, space-saving unit. This significantly reduces cabinet space, wiring time, and potential points of failure. Question?How is the motor current set on the 3RA6250-1BB33?Answer: The motor’s full-load ampere (FLA) rating is set using the rotary dial on the front of the unit. For this model, the setting range is adjustable from 0.32 to 1.25 Amperes, allowing for precise overload protection for small motors. Question?Can this starter be controlled by a PLC?Answer: Yes, absolutely. This model (3RA6250-1BB33) has a 24V DC control voltage, which is standard for PLC digital outputs. This makes it ideal for integration into automated control systems. Last Update: Friday, March 13, 2026 profideals is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.