1771-P4R Power Contact Output Module

1771-P4R Power Contact Output Module  

Product Details Introduction

1771-P4R redundant power module (non output module)

1771-P4R is a redundant power module for Rockwell Allen Bradley PLC-5 series, with 120V AC input and 5V DC 8A output. It supplies power to the 1771 rack backplane, supports N+1 redundancy, and has built-in fault alarm contacts for high reliability industrial control systems.

Core parameters (plain text, no links)

Model: 1771-P4R, PLC-5 series redundant power module.

Input specifications: rated 120V AC, range 97-132V AC, frequency 47-63Hz.

Output specification: 5V DC output, rated current 8A, powered by the rack backplane.

Redundant design: N+1 redundant architecture, supporting parallel connection of multiple modules; Maximum 8A for 2 units, 14A for 3 units, and 20A for 4 units (60 ° C).

Fault contact: Built in 1A/250V AC dry contact, used for power fault alarm output.

Configuration switch: left ID dip code (first 4 digits)+area configuration (5, 6 digits), redundant systems require a unique ID.

Protection: 1.5A 250V slow melting fuse, overcurrent protection.

Physics: occupies one 1771 rack slot and weighs approximately 0.85kg.

Compatibility: Compatible with 1771-A1B/A2B/A3B/A4B/PSC chassis, not compatible with A-series old chassis.

Environment: Working temperature 0-60 ° C, humidity 5% -95%, no condensation.

Certification: UL, CE industrial safety and EMC certification.

Status: Discontinued, market mainly focused on refurbishment/spare parts.

Application: PLC-5 control systems that require high availability and non-stop operation in chemical, metallurgical, and electrical industries.

The 1771-P4R is a key component for high reliability power supply in PLC-5 systems, with redundancy and reliability, built-in alarm contacts, and a wide input range as its core.

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