Power Supply Allen-Bradley 1768-PA3 85-265VAC/108-132VDC

Product Overview

The 1768-PA3 is a CompactLogix power supply. It provides backplane power to connected modules. This unit accepts AC or DC input. The voltage range is 85 to 265VAC. It also works with 108 to 132VDC. It delivers 1.4 Amps at 24 Volts. The supply has a typical efficiency of 75 percent. It supports DIN rail or panel mounting. LED indicators show real-time status. This module is an open-style enclosure.

Application Scenarios

Use this supply in industrial automation. It powers CompactLogix controllers. Examples include 1768-L43 and 1768-L45. It works with up to eight 1769 I/O modules. Typical applications are manufacturing lines and process control. The supply ensures stable backplane power. It fits in control cabinets and machine panels.

Technical Specifications

Input power max is 120 VA or 120 W. Input frequency is 47 to 63 Hz. Inrush current is 50 A at low AC. It reaches 80 A at high AC. Backplane current is 1.4 Amps at 24 Volts. Power dissipation is 30 Watts max. Efficiency is 75 percent typical. Overcurrent protection uses a soldered fuse. External protection recommends 4 to 6 A. Isolation voltage is 30 Volts continuous. Shipping weight is 2 lbs. Dimensions are 8x8x5 inches.

Installation & Maintenance Guide

Mount the supply on a DIN rail. Use 14 to 22 AWG copper wire. Connect AC or DC input as labeled. Never use a 1769 power supply on the backplane. The LED should turn green when powered. Keep the enclosure free of debris. Replace the module if the fuse blows. The fuse is non-replaceable

Packing List

One 1768-PA3 power supply module. One installation manual. No additional accessories are included. Ship via Fedex, UPS, or DHL.