Allen Bradley | 1769-PB2 | CompactLogix DC Power Supply

Product Description

The Allen-Bradley 1769-PB2 Compact I/O Power Supply delivers reliable DC power for CompactLogix systems, supporting up to 16 modules with reinforced isolation and robust environmental tolerance.

Technical Specifications

• Input Voltage Range: 19.2–31.2 VDC

• Nominal Input Voltage: 24 VDC

• Power Consumption: 50 VA @ 24 VDC

• Power Dissipation: 7.5 W @ 60 °C

• Current Capacity:

  • 5 VDC: 2.0 A

  • 24 VDC: 0.7 A

• Inrush Current (Max): 30 A @ 31.2 VDC

• Isolation Voltage: 75 V continuous, reinforced insulation (IEC Class 1 grounding required)

• Routine Test: 1697 VDC for 1 s (DC input to system)

• Fuse Type: Integrated protection

• Weight: ~525 g (1.16 lb)

• Dimensions (HxWxD): 118 × 70 × 87 mm

• Mounting: DIN rail or panel mount

• Mounting Screw Torque: 1.16 N·m (10 lb·in), M4 or #8 screws

• Power Supply Distance Rating: 8 (supports up to 8 I/O modules on either side, max 16)

• Wire Category: 2 (power ports)

• Wire Size: 14 AWG solid copper, 90 °C rated

• Enclosure Type Rating: None (open-style)

Environmental Specifications

• Operating Temperature: 0–60 °C

• Non-Operating Temperature: -40–85 °C

• Relative Humidity: 5–95% non-condensing

• Vibration: 5 g @ 10–500 Hz

• Shock (Operating): 20 g DIN rail, 30 g panel mount

• Shock (Non-Operating): 30 g DIN rail, 40 g panel mount

• Emissions: CISPR 11 Group 1, Class A

• ESD Immunity: 6 kV contact, 8 kV air

• Radiated RF Immunity: 10 V/m across 80–2700 MHz

Application Scenarios

• Powering CompactLogix controllers and I/O modules

• Industrial automation systems requiring stable DC supply

• Environments with high vibration and shock tolerance

• Distributed control systems with up to 16 modules

FAQ

Q: How many modules can the 1769-PB2 support? A: Up to 8 modules on either side, for a maximum of 16.

Q: What is the maximum current capacity? A: 2.0 A @ 5 VDC and 0.7 A @ 24 VDC.

Q: Is it suitable for harsh environments? A: Yes, it is tested for vibration, shock, and wide temperature ranges.