SIEMENS SIRIUS 3TK2 827-1BB40 SAFETY RELAY
The Siemens SIRIUS 3TK2 827-1BB40 is a high-reliability safety relay designed to ensure functional safety in industrial automation systems. Suitable for emergency-stop buttons and safety doors, this unit provides dependable control with configurable delay and robust switching capabilities.
Manufacturer: Siemens
Brand: SIRIUS
Type: Safety Relay with Relay Enabling Circuits
Model: 3TK2 827-1BB40
REF NO: G/060112
Designed for: Emergency-Stop and Safety Doors
Technical Information
- Rated Insulation Voltage: 300 V
- Control Supply Voltage: 24 V DC
- Air Pressure: 90 / 106 kPa
- Outputs Contact: 1 N/C, 2 N/O (instantaneous), 2 N/O (delayed)
- Operating Frequency: 1000 1/h
- Adjustable OFF-Delay Time: 0.5 / 30 s
- Switching Capacity Current:
- at AC-15 at 230 V: 5 A / 3 A
- at DC-13 at 24 V: 5 A / 2 A
- DC Resistance of the Cable max.: 30 Ω
- Protection Class: IP20
- Touch Protection: Finger-Safe
- Safety Device Type: Type A
- Operating Ambient Temperature: -25 / +60 °C
- Dimensions (WxHxD): 44.8 x 100 x 120 mm











