Product Description
Siemens 3RT1035-1BB40
The Siemens 3RT1035-1BB40 is a robust and reliable SIRIUS power contactor designed for switching electric motors and other industrial loads. As a size S2 contactor, it offers a compact design without compromising on performance, making it suitable for a wide range of control cabinet applications. It features 3 normally open (NO) main contacts and is operated by a 24V DC control supply voltage. The screw-type terminals ensure secure and straightforward wiring. This contactor is part of the SIRIUS modular system, allowing for easy integration with overload relays and other accessories for comprehensive motor protection and control.
Technical Specifications:
- Size of contactor: S2
- Rated operational current AC-3 at 400 V: 40 A
- Operating power at AC-3 at 400 V: 18.5 kW
- Control supply voltage: 24 V DC
- Number of main contacts (NO): 3
- Main circuit connection type: Screw terminals

Siemens 3RT1035-1BB40
Siemens 3RT1035-1BB40 SIRIUS power contactor, size S2, with a 40A rating and 24V DC coil. Ideal for switching motors up to 18.5 kW. Features reliable screw terminals for secure connections in industrial control panels.






