Bircher ESD3-K167, a safety switching unit designed for monitoring tactile sensors in automated systems:

Technical Specifications

• Model: ESD3-K167
• Manufacturer: Bircher Smart Access
• Type: Safety switching device
• Power Supply: 24 VDC
• Sensor Monitoring: Resistance-based 
• Inputs: 2 sensor inputs (connected in series)
• Outputs:
  • 2 safety relay outputs
  • 1 status relay
• Reset Type: Automatic reset
• Response Time: 50 ms
• Mounting: DIN rail
• Protection Class: IP30
• Safety Category: PL e, Category 3 (EN ISO 13849-1)
• Application: Gates, industrial doors, and machine safety systems
• LED Indicators:
  • Green: Power
  • Yellow: Sensor activated
  • Red: Fault condition