Siemens 3TK2821-1CB30 Sirius Safety Relay With Relay Enabling Circuit
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SIRIUS SAFETY RELAY
Siemens Sirius safety relay for emergency-stop systems, with 3 NO and 1 NC contacts, compact housing, and finger-safe design.2424v3TK2821-1CB30ComponentControlEmergencyFinger-SafeIndustrialIP40RelaySafetySiemensSiriusStopVvoltage
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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
| 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 |
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