SIEMENS contactor 22A 24VDC 4S 3RT2317-1BB40

The SIEMENS 3RT2317-1BB40 is a 4-pole contactor from the SIRIUS series, distinguished by its 24 V DC coil and four normally open main contacts, making it a reliable choice for switching motors up to 11 kW at 400 V. Its compact S0 size and screw terminals simplify installation in control cabinets and on DIN rails.

Highlights

• Rated operational current of 22 A at AC-3, 400 V
• Control supply voltage: 24 V DC
• 4 normally open main poles, no auxiliary contacts
• Mechanical endurance of 30 million operating cycles
• Rated insulation voltage 690 V, impulse withstand 6 kV

In daily use

This contactor is engineered for frequent switching operations in industrial environments. With an electrical endurance of 10 million cycles and a wide operating temperature range from -25 to +60 °C, it maintains dependable performance in demanding applications. The screw terminal connection ensures secure wiring, and the device can be mounted on a DIN rail or with screws for flexible installation.

Full specifications

• Rated operational current (AC-3): 22 A at 400 V
• Rated operational power (AC-3): 11 kW at 400 V
• Number of poles: 4
• Control supply voltage: 24 V DC
• Auxiliary contacts: 4 NO
• Size: S0
• Connection type: Screw terminal
• Mounting type: DIN rail / screw mounting
• Operating temperature range: -25 to +60 °C
• Electrical endurance: 10,000,000 operating cycles
• Mechanical endurance: 30,000,000 operating cycles
• Degree of protection: IP20
• Standards: IEC 60947-4-1, EN 60947-4-1
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Short-circuit protection (gG fuse): 35 A

Final note

The 3RT2317-1BB40 offers a proven solution for motor control, combining robust construction with consistent switching performance.