SIEMENS, SIGUARD, 3TK2821-1CB30, SAFETY RELAY (SP94)

The Siemens Siguard 3TK2821-1CB30 is a safety relay designed to monitor and control safety circuits in industrial applications.

Key Specifications

• Voltage: 24 VDC
• Contacts: 3 Normally Open (NO) contacts
• Safety Category: EN 954-1 Category 4, SIL 3 according to IEC 61508
• Mounting: 35mm DIN rail mount
• Response Time: Less than 10ms
• Diagnostic Coverage: High, up to 99%