SIEMENS SIRIUS SAFETY RELAY 3TK28 42-1BB42
The Siemens SIRIUS 3TK28 42-1BB42 safety relay is designed for high-reliability control and monitoring of safety circuits in industrial automation systems. Built with robust specifications and delay functionality, it ensures maximum protection for machinery and personnel in demanding environments.
Manufacturer: SIEMENS
Type: SIRIUS Safety Relay
Model: 3TK28 42-1BB42
SN: 4 011209 533349 / G/170410
Technical Information
- Voltage: 24 VDC
- Delayed: 1 HL, 0.5 / 30 s
- Protection Class: IP20
- Ambient Temperature: -40 / 80 °C
- Dimensions: 28 x 106.5 x 124 mm















