SIEMENS 3TH2031-0BM4 CONTACTOR RELAY
The Siemens 3TH2031-0BM4 is a compact and durable contactor relay designed for auxiliary switching applications in control systems. As a predecessor to the Sirius 3RH21 series, this device offers reliable performance and standardized configuration under IEC 60947-5-1 standards.
Manufacturer: Siemens
Type: Contactor Relay
Model: 3TH2031-0BM4
Successor Type: Sirius 3RH21
Size: 0
Designation: Auxiliary Contactor
Technical Information
- Control Supply Voltage: 220 V DC
- Rated Operating Current: 4 A (230 V AC), 3 A (400 V AC)
- Auxiliary Contacts: 3 Normally Open, 1 Normally Closed (3NO + 1NC)
- Identification Number: 31E
- Standard: IEC 60947-5-1
- Protection Class IP: IP20
- Operation Ambient Temperature: -25 / 55 °C
- Dimensions (W x D x H): 45 x 68 x 48 mm
