1768-PB3 DC Power Supply Allen-Bradley CompactLogix Module

Overview
The 1768-PB3 is a DC power supply module from Allen-Bradley’s CompactLogix series, designed to deliver stable power to 1768 and 1769 CompactLogix controllers. Its open-type enclosure allows flexible DIN rail or panel mounting, ensuring reliable operation in industrial environments.

Technical Specifications

• Brand & Model: Allen-Bradley 1768-PB3

• Product Type: CompactLogix DC Power Supply Module

• Series: CompactLogix PAC

• Module Type: Power Supply

• Compatible Controllers: 1768 and 1769 CompactLogix

• Input Voltage Range: 16.8–31.2 VDC

• Backplane Output / Ride-through Interval: Min 5 ms @ 90 W

• Extended Hold-up Interval: 8–12 ms @ 1.25 W

• Front Panel Output Voltage: 18–27.6 VDC

• Mounting Options: DIN Rail or Panel Mount

• Operating Temperature: 0–60°C (32–140°F)

• Storage Temperature: -40–85°C (-40–185°F)

• Vibration Resistance: 5g, 10–500 Hz

• Shock Resistance: 30 g

• Isolation Voltage: 30 V Continuous

• Backplane Current Draw: 1.4 A @ 24 VDC

• Power Consumption: 33.6 W

• Power Dissipation: 7.5 W

• Weight: 2.25 lbs (1.02 kg)

• Enclosure: Open-type

Applications
Ideal for providing reliable DC power to CompactLogix controllers in automation systems, including factory floor PLC racks and remote control panels.

FAQ

Q: Can the 1768-PB3 support both 1768 and 1769 series controllers?
A: Yes, it is fully compatible with both series of CompactLogix controllers.

Q: What is the maximum input voltage for this power supply?
A: The module supports 16.8–31.2 VDC input.

Q: How is the module mounted?
A: It supports DIN rail and panel mounting options.