Siemens motor controller 3RT1044-3B . . o With Two 3RH1921 2CA01 Aux. Switch
Specifications:
The Siemens SIRIUS 3RT1035-3B is a 3-pole power contactor of frame size S2, engineered for switching industrial 3-phase inductive motor loads.
Manufacturer: Siemens
Series: SIRIUS (3RT1)
Frame Size: S2
Number of Poles: 3-pole (3-phase, 3 NO main contacts)
Terminal Type: Spring-type (cage clamp) terminals (denoted by the -3 in the part number prefix)
Operational Lifecyle: Phased-out / End of Product Lifecycle by original manufacturer (preferred modern successor/replacement families include Siemens SIRIUS 3RT2) [
Electrical Ratings (AC-3 / AC-1)
Rated Operational Current (\(I_{e}\)) at AC-3 (400V): 40 A
Rated Operational Power at AC-3 (400V): 18.5 kW
Conventional Thermal Current (\(I_{t}\) / AC-1): Up to 60 A
Maximum Voltage Rating (Ue): Up to 600V / 690V
Horsepower Ratings (Three-Phase US/CSA): Approx. 15 HP at 230V, 30 HP at 460/575V (dependent on exact application standard)
Control Circuit (Coil) Specifications
Control Voltage (Coil): Varies by specific suffix code following -3B (commonly 24V DC for -3BB40 or AC variations depending on the exact full catalog string)
