Allen Bradley 1746-P2 Rack-Mounted Power Supply

Overview

The Allen-Bradley 1746-P2 is a rack-mounted power supply for the SLC 500 programmable logic controller system. It delivers stable DC power to controllers and I/O modules. This unit supports both 120V AC and 220V AC inputs, making it suitable for diverse industrial environments. Engineers can rely on its regulated output, fuse protection, and compact form for dependable operation.

Technical Specifications

Manufacturer: Rockwell Automation (Allen-Bradley)
Catalog Number: 1746-P2
Product Type: Rack-Mounted Power Supply
Series: SLC 500

Electrical Specifications

• Nominal Input Voltage: 120V AC / 220V AC (selectable)

• Input Voltage Range: 85–132V AC / 170–265V AC

• Line Frequency: 47–63 Hz

• Line Power Requirement: 180 VA (typical)

• Max Inrush Current: 20 A

Output Specifications

• Internal Current Capacity:

• 5 A at 5V DC

• 0.96 A at 24V DC

• User Output Voltage Range: 18–30V DC

• User Output Current (Isolated): 200 mA at 24V DC

Protection

• Fuse: 1746-F2 or equivalent

• Max Overcurrent Protection: 15 A

• Isolation Voltage: 1800V AC RMS for 1 second

CPU Hold-up Time

• Full Load: 20 ms

• No Load: 3000 ms

Environmental Conditions

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

Mechanical Specifications

• Mounting: Left side of 1746 I/O chassis

• Dimensions:

• Height: 140 mm (5.5 in.)

• Width: 64 mm (2.5 in.) or 74 mm (2.9 in.)

• Depth: 144 mm (5.7 in.) or 145 mm (5.7 in.)

• Weight: 0.57 kg