Standard DC Power Supply Allen-Bradley 1756-PB50 ControlLogix

Product Overview

The 1756-PB50 is a standard DC power supply from Allen-Bradley. It belongs to the ControlLogix series. This module provides stable power to the chassis. It accepts a nominal input of 24 Volts DC. The input voltage range is 18 to 32 Volts DC. This power supply is ideal for industrial automation systems. It offers reliable performance in harsh environments.

Application Scenarios

Use the 1756-PB50 in manufacturing plants. It powers ControlLogix controllers and I/O modules. This unit works in assembly lines and process control. It also supports material handling systems. The power supply fits in the left side of the chassis. It is compatible with many 1756 chassis models. These include the 1756-A4/A, A7/A, and A10/A series.

Technical Specifications

The module has an isolation voltage of 250 Volts continuous. Maximum inrush current is 30 Amperes. Current capacity varies by temperature and voltage. At 50 °C, it delivers 8 A at 5.1V and 2.5 A at 24V. At 60 °C, output drops to 6 A at 5.1V and 2.0 A at 24V. Hold up time is 30 ms at 60 W. It is 40 ms at 50 W. Dimensions are 5.51 x 3.07 x 5.71 inches. The unit weighs 1.7 pounds.

Installation & Maintenance Guide

Install the power supply on the left side of the chassis. Ensure proper grounding before use. Match the input voltage to your system. Use only compatible chassis from the list. Check for dust and debris regularly. Keep vents clear for airflow. Replace the unit if it shows signs of damage. Do not operate with wet hands. Use a qualified technician for installation.

Packing List

The package includes one 1756-PB50 power supply. It also includes a user manual. No additional cables or brackets are included. The product is shipped in a secure box. Shipping is via Fedex, UPS, or DHL. The unit is ready for immediate installation.