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Description

The Allen-Bradley 1756-PA72 is a standard AC power supply module in the ControlLogix (1756) family. It is compatible with ControlLogix and GuardLogix 1756-series chassis. Refer to manufacturer documentation to confirm compatibility with your specific application.

This module accepts an AC input voltage range of 85–265V AC (nominal 120/240V AC) at 47–63 Hz and delivers regulated backplane power across 4 output rails: 10A @ 5.1V DC, 4A @ 3.3V DC, 2.8A @ 24V DC, and 1.5A @ 1.2V DC. Maximum output power is 72W (class). Maximum inrush current is 20A. Status LEDs provide at-a-glance power and fault indication.

The 1756-PA72 mounts at the left end of the 1756 chassis and connects directly to the backplane — the power supply slot position determines which chassis it powers. It is an open-style (no enclosure) module rated for operating temperatures of 0 to 60°C (32 to 140°F). Certifications include UL, CSA, CE, CCC, KC, RCM, and Marine.

Technical Specifications

Brand: Allen-Bradley
MPN: 1756-PA72
Type: Power Supply Module
Series: ControlLogix (1756)
Input Voltage Range: 85–265V AC
Input Voltage, Nominal: 120/240V AC
Input Frequency: 47–63 Hz
Input Power, Max: 100 VA / 100 W
Output Power, Max: 72 W (class)
Output: 10A @ 5.1V DC
Output: 4A @ 3.3V DC
Output: 2.8A @ 24V DC
Output: 1.5A @ 1.2V DC
Inrush Current, Max: 20A
Operating Temperature: 0 to 60°C (32 to 140°F)
Enclosure: None (Open-Style)
Mounting: Chassis Mount (left end of 1756 chassis)
Display: Status LEDs
Certifications: UL, CSA, CE, CCC, KC, RCM, Marine
Weight: 2.69 lbs

Condition: Used. This part was removed from a working production environment.

Shipping & Handling

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Returns

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About ACME MRO Solutions

We started ACME MRO Solutions to fix something we kept running into as contractors — plants down, parts slow, surplus listings you couldn't trust. Our goal is simple: get YOU the right component fast, with an honest description, so you can get back to running.

We describe what we see. Used items show signs of use; if a part has visible wear, damage, or a missing component, the condition description will say so. We don't claim anything is tested unless we tested it — and we don't bench-test parts where testing isn't practical or revealing (feed-through modules, breakers, mechanical components). When we do test something, we'll say so explicitly.

If something is our fault, we don't work through it — we make it right. We are proud to serve American manufacturing. Your uptime is our bottom line.

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Questions? Talk to us.

Send a message through eBay. During business hours we typically respond within the hour. Whether you need to confirm compatibility before buying, request additional photos, ask about a cross reference, or work through something after delivery — message first and we'll figure it out together.