SIEMENS 3TK2821-1CB30 SIRIUS SAFETY RELAY

The Siemens 3TK2821-1CB30 Sirius Safety Relay is a robust and high-reliability safety component, engineered for critical emergency-stop and safety monitoring functions. With a compact design and versatile mounting options, it ensures efficient and secure integration into industrial safety systems.

Manufacturer: SIEMENS
Type: Sirius Safety Relay
Model: 3TK2821-1CB30
Comas Part No.: 0422.315.990.100

Technical Information

• Control Supply Voltage: 24 V DC / AC
• Frequency: 50 / 60 Hz
• Air Pressure: 90 / 106 kPa
• Cable Length: 1000 m
• Safety Device Type: Type A
• Output Contact: 3 NO, 1 NC
• Resistance to Direct Current: 30 „¦
• Design: For EMERGENCY-STOP units
• Mounting Type: Screw and Snap-on Mounting
• Electrical Connection: Screw-Type Terminals
• Shock Protection: Finger-Safe
• Protection Class (Enclosure/Terminal): IP40 / IP20
• Ambient Temperature: -25 / 60 °C
• Dimensions: 120 x 22.5 x 120 mm