Product Description
Siemens 3RT5036-1BB40
The Siemens 3RT5036-1BB40 is a robust and reliable SIRIUS power contactor designed for switching motors in industrial applications. This 3-pole contactor, size S2, provides high performance in a compact design. It is optimized for use with a 24V DC control supply voltage and features screw terminals for secure and straightforward connections. With an operational current rating of 50 A at 400 V (AC-3) and a power rating of 22 kW, it is suitable for a wide range of motor control tasks. The integrated auxiliary contacts (1 NO + 1 NC) offer enhanced control circuit flexibility. Part of the SIRIUS modular system, this contactor can be easily combined with other devices like overload relays for comprehensive motor protection.
Technical Specifications:
- Model: 3RT5036-1BB40
- Product Series: SIRIUS 3RT5
- Type: Power Contactor
- Size of Contactor: S2
- Number of Poles: 3
- Control Supply Voltage: 24 V DC
- Operational Current (AC-3, 400 V): 50 A
- Operating Power (AC-3, 400 V): 22 kW
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Connection Type: Screw terminals

Siemens 3RT5036-1BB40
Buy the Siemens SIRIUS 3RT5036-1BB40 power contactor, size S2, for switching motors up to 22 kW. This 3-pole contactor features a 50A rating, 24V DC coil, and integrated 1NO+1NC auxiliary contacts.











