Allen Bradley 1756-PA75R ControlLogix AC Redundant Power Supply

Overview

The Allen Bradley 1756-PA75R is a redundant AC power supply module designed for ControlLogix systems. It provides reliable power delivery with redundancy support, helping improve system availability and minimize downtime in critical industrial automation applications.

General Information

Part Number: 1756-PA75R

Manufacturer: Allen Bradley

Brand / Country of Origin: Allen Bradley / United States

Series: ControlLogix

Type: AC Redundant Power Supply Module

Mounting: Chassis-mounted installation

Application: Redundant power supply for ControlLogix automation systems

Technology: Switched-mode power supply with redundancy capability and diagnostic monitoring

Power Specifications

Input Voltage: 85–265 V AC

Input Frequency: 47–63 Hz

Output Power: Up to 75 W

Redundancy Support: Designed for redundant power configurations

Power Distribution: Supplies power to the ControlLogix backplane

Protection Features: Overvoltage, overload, short-circuit, and thermal protection

Status Indicators: LED indicators for power, redundancy, and fault status

Communication & Interface

Interface Type: Direct backplane connection

System Compatibility: ControlLogix redundant power supply systems

Diagnostics: Continuous power and redundancy status monitoring

User Interface: Front-panel LED indicators

Configuration Requirements: Supports integration with redundant ControlLogix architectures

Environmental

Operating Temperature: 0 to +60 °C

Storage Temperature: −40 to +85 °C

Relative Humidity: 5–95% RH, non-condensing

Vibration Resistance: Suitable for industrial operating environments

Protection Rating: IP20 when installed within an industrial enclosure

Dimensions & Weight

Dimensions (L × W × H): 175 × 145 × 137 mm

Weight: 1.45 kg

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