Allen-Bradley 1756-PBR2 ControlLogix | High-Reliability Power Module

Product Overview

The 1756-PBR2 from Allen-Bradley is a redundant power supply assembly for the ControlLogix platform. It ensures continuous operation by using dual 1756-PB75R power supplies, backed by 1756-CPR2 cables and a 1756-PSCA2 chassis adapter. This assembly operates with a 19–32V DC input and delivers 75W output to maintain uninterrupted power.

The system includes comprehensive indicators for power and fault status. Its open-style enclosure and panel mount design simplify installation and integration, while supporting demanding industrial applications requiring high availability.

Technical Specifications

• Catalog Number: 1756-PBR2

• Input Voltage: 19–32V DC

• Output Power: 75W

• Output Voltages and Currents:

• 5V DC @ 13A

• 3.3V DC @ 4A

• 1.2V DC @ 1.5A

• 24V DC @ 2.8A

• Included Components:

• Two 1756-PB75R power supplies

• Two 1756-CPR2 cables

• One 1756-PSCA2 chassis adapter

• Dimensions (H x W x D): 34.188 cm × 28.804 cm × 49.809 cm

• Weight: 6.105 kg

• Enclosure Type: Open-style

• Mounting Type: Panel mount

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

• Certifications: UL, CE, CSA

• Status Indicators: LED indicators for power and fault

Key Features

• Enhanced Reliability: Dual power supplies ensure uninterrupted operation during failures.

• Comprehensive Package: Provides all necessary components for seamless integration.

• High Output Capacity: Supports demanding ControlLogix applications reliably.

• Wide Operating Range: Functions efficiently in various industrial environments.

• Certified Compliance: Meets UL, CE, and CSA safety and quality standards.

Applications

• Industrial automation systems

• Process control environments

• Manufacturing facilities

• Systems requiring high availability and redundancy