# 1771-P4R B 120V AC Power Supply Module - Allen-Bradley

The Allen-Bradley 1771-P4R B 120V AC Power Supply Module is a critical component for industrial automation, providing reliable power to Programmable Logic Controller (PLC) systems. This module ensures stable operation, minimizing downtime and maximizing efficiency in demanding industrial environments.

**Key Features:**

-   **120V AC Input:** Accepts standard 120V AC power for seamless integration into existing systems.
-   **Regulated DC Output:** Provides a stable DC output essential for PLC and I/O module operation.
-   **Industrial Grade Construction:** Built with robust components for durability and long-term reliability in harsh conditions.
-   **Compact Design:** Designed for efficient installation within PLC rack systems, saving valuable space.
-   **Allen-Bradley Quality:** Manufactured to meet Allen-Bradley's rigorous quality and safety standards.

This power supply module features a 120V AC input and delivers regulated DC power, ensuring the reliable performance of your PLC systems. It is ideally suited for various industrial applications where dependable power is paramount.

If you're looking for a dependable power solution for your industrial automation needs, the Allen-Bradley 1771-P4R B is an excellent choice. Enhance the reliability and efficiency of your systems today. Contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com) for more information.

## Details

- **Price:** 999.0 USD
- **Vendor:** Allen-Bradley
- **Type:** Industrial Automation > PLC Components > Power Supplies
- **Tags:** 120V AC, 1771-P4R B, Allen-Bradley, industrial automation, PLC power supply, power supply module

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 1771-P4R / USED | 999.00 USD | In stock |

## Images

- 1771-P4R B 120V AC Power Supply Module - Allen-Bradley-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/1771-p4r-b-power-supply-allen-bradley)
> Updated: 2026-09-18