Allen-Bradley 1746-P3 DC Power Supply – 3.6A Output SLC 500 Systems

Allen-Bradley 1746-P3: DC Input Power Supply for SLC 500

Power your SLC 500 system with DC input using the reliable Allen-Bradley 1746-P3 power supply. This compact unit converts 24V DC input to stable power for your entire chassis. The 1746-P3 is perfect for applications where only DC power is available.

Product Overview

The Allen-Bradley 1746-P3 is a specialized DC-input power supply for SLC 500 systems. This 1746-P3 module converts 24V DC power to the voltages needed by all other modules in the chassis. It’s ideal for mobile equipment or facilities with DC power systems.

Technical Specifications

Brand: Allen-Bradley (Rockwell Automation)
Series: SLC 500
Model: 1746-P3
Module Type: DC Input Power Supply
Input Voltage: 19.2-28.8V DC
Input Power: 90 VA typical
Inrush Current: 20 A maximum
Output Voltage 1: 5V DC ±5%
Output Current 1: 3.6 A maximum
Output Voltage 2: 24V DC
Output Current 2: 0.87 A maximum
Hold-up Time (full load): 5 ms
Hold-up Time (no load): 1000 ms
Isolation Voltage: 600V AC for 1 second
Operating Temperature: 0 to 60°C (32 to 140°F)
Fuse Type: 1746-F3 or equivalent
Maximum Altitude: 2000 meters
Pollution Degree: 2
Installation Category: II
Dimensions: 5.5 x 2.9 x 5.7 inches
Weight: 2.5 pounds (1.1 kg)

Comparison With Output Modules

This power supply works with these output modules:
Allen-Bradley 1746-OW8 (8-Point Relay Output Module)
Allen-Bradley 1746-OX8 (8-Point Isolated Relay Output Module)

Frequently Asked Questions

• Where is this power supply mounted?
  The 1746-P3 mounts on the left side of the chassis and does not use a slot.
• What applications is this power supply designed for?
  It’s ideal for mobile equipment, vehicles, or facilities with existing 24V DC power systems.
• What fuse should I use with this power supply?
  Use the recommended 1746-F3 fuse or equivalent (BUSSMAN AGC 5 or Nagasawa ULCS-61ML-5).
• Can this power supply operate in hazardous locations?
  Yes, it is UL listed for Class 1, Division 2, Groups A, B, C, D hazardous locations.
• What is the advantage of the hold-up time feature?
  It maintains processor operation during brief power interruptions (5ms at full load).

© 2025 World of PLC Limited. All rights reserved.
Original Source: https://worldofplc.com/
Technical Support Contact: info@worldofplc.com | +86 158 8020 0923