Allen-Bradley 1756-PB50 DC Power Supply | Reliable 24V ControlLogix

Compact DC Power Solution for ControlLogix Systems

The Allen-Bradley 1756-PB50 delivers efficient DC power for your industrial automation needs. This reliable power supply ensures stable operation for your entire ControlLogix system. It fits perfectly in the left slot of compatible chassis.

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-PB50
• Input Voltage: 24V DC Nominal (18-32V DC Range)
• Input Power: 85W @ 50°C / 70W @ 60°C
• Output Power: 60W @ 50°C / 50W @ 60°C
• Output Current:
  • 1.5A at 1.2V DC
  • 2.0A at 3.3V DC
  • 8.0A at 5.1V DC (50°C)
  • 6.0A at 5.1V DC (60°C)
  • 2.5A at 24V DC (50°C)
  • 2.0A at 24V DC (60°C)
• Isolation Voltage: 250V Continuous
• Inrush Current: 30A Maximum
• Hold-up Time: 30ms @ 60W / 40ms @ 50W
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Relative Humidity: 5-95% Non-condensing
• Weight: 0.77 kg (1.7 lbs)
• Dimensions: 140 x 78 x 145 mm (5.51 x 3.07 x 5.71 in)

Environmental Ratings

• Operating Shock: 30G
• Vibration Resistance: 2G (10-500 Hz)
• Noise Immunity: High immunity to RFI and EMI
• Cooling Method: Natural convection

Quality & Support

• 12 Month Warranty
• Worldwide shipping via FedEx, UPS, DHL
• Complies with industrial safety standards

Professional Questions Answered

• Can I use this power supply with any ControlLogix chassis?
  Yes, it works with all Series A, B, and C chassis including A4, A7, A10, A13, and A17.
• What happens during a power interruption?
  The hold-up time keeps the system running for 30-40 milliseconds during power loss.
• How do I connect the wiring?
  Use 14 AWG copper wire rated for at least 90°C temperature.
• Can this power supply handle high temperatures?
  Yes, it operates fully at 60°C (140°F) ambient temperature.
• Is electrical isolation provided?
  Yes, it provides 250V continuous isolation for safety.