PRODUCT DESCRIPTION
SIEMENS 3TK2827-1BB40 - Safety Relay Basic Unit
This SIEMENS SIRIUS 3TK2827-1BB40 is a safety relay basic unit designed for monitoring safety functions in industrial automation systems. It provides reliable supervision of emergency stop circuits, safety gates, and light curtains, ensuring compliance with machine safety directives. The unit integrates hardwired safety logic with relay outputs for robust control in applications requiring high safety integrity levels.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3TK28 Safety Relays
- COMPONENT TYPE: Safety Relay Basic Unit
- ELECTRICAL SPECS:
- NOMINAL SUPPLY VOLTAGE: 24V DC
- POWER CONSUMPTION: 2.5W (typical)
- OUTPUT CONTACTS: 3 NO (Normally Open) enabling contacts, 1 NC (Normally Closed) auxiliary contact
- CONTACT RATING: 250V AC / 6A (resistive load)
- MECHANICAL/PHYSICAL:
- MOUNTING: DIN Rail
- TERMINALS: Screw terminals
- FORM FACTOR: Compact industrial enclosure
- INTERFACE/CONTROL:
- INPUTS: For E-STOP pushbuttons, safety gates, light curtains, or similar safety devices
- FEEDBACK: Auxiliary contact for status indication
- RESET FUNCTION: Automatic or monitored manual reset capability
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (enclosure front)
- OPERATING TEMPERATURE: -25 to +60 degrees Celsius
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION: Machine safety circuits, emergency stop systems, protective door monitoring, light curtain integration, press control, robotics, material handling.