Pilz PA 1SKS Time Delay Relay

Pilz PA-1SKS Time Delay Relay Specifications:

• Product Type: Time Delay Relay (Safety Timer Relay)
• Manufacturer: Pilz GmbH & Co. KG
• Model: PA-1SKS (variants include PA-1SKS/10s, PA-1SKS/300s, PA-1SKS/3, etc.)
• Device Application: Safety time monitoring in industrial automation, such as delay-on or delay-off for E-STOP, safety gates, or process control
• Function: On-delay or off-delay timing (adjustable via potentiometer or remote)
• Supply Voltage: 220-230 V AC (common); variants available in 24 V AC/DC
• Power Consumption: 3.5 VA
• Frequency: 50-60 Hz
• Contact Configuration: 2 change-over contacts (2 Uz)
• Contact Rating: 5 A at 250 V AC, 1100 VA
• Time Range: Adjustable; variants include 0.04–10 s, 3–300 s, or 0.04–300 s
• Time Adjustment: Via front potentiometer or remote potentiometer connection
• Reset Time: Typically < 50 ms (based on similar Pilz timers)
• Mounting: DIN rail or backplate (fixed mounting)
• Connection Type: Screw terminals
• Housing Material: Plastic (flame-retardant, impact-resistant)
• Mechanical Durability: > 10^7 operations (typical for Pilz relays)
• Electrical Durability: > 10^5 operations at rated load (typical for Pilz relays)
• IP Degree of Protection: IP20 (terminals), IP40 (front face; typical for industrial relays)
• Ambient Air Temperature for Operation: -25 to 55 °C
• Ambient Air Temperature for Storage: -40 to 70 °C
• Standards Compliance: EN/IEC 60947-5-1, VDE 0113-1 (safety relays), IEC 60204-1
• Product Certifications: CE, TÜV, UL (based on similar Pilz safety relays)
• Special Features:
  • Safety-oriented design with built-in monitoring
  • Vibration-resistant for industrial environments
  • Variants with FBM (feedback monitoring) resistance (e.g., 2.5 MΩ, 10 MΩ, 16 MΩ)
  • Suitable for Category 3 safety applications (EN 954-1)
• Dimensions:
  • Width: 50 mm
  • Height: 110 mm
  • Depth: 80 mm
• Weight: 0.25 kg
• HS Code: 8536.49.00 
• Country of Origin: Germany