# Allen-Bradley 20-COMM-C Communication Adapter - 5VDC 275MA

The Allen-Bradley 20-COMM-C Communication Adapter is designed for seamless integration into Rockwell Automation ControlNet systems, ensuring efficient communication between devices. This 5VDC 275MA adapter enhances your automation processes with reliable performance.

This adapter, part of the Allen-Bradley Rockwell Automation ControlNet 20-COMM-C series, features robust compatibility and is ideal for various industrial applications. It supports efficient data transfer within your control systems. The 20-COMM-C ensures optimal performance and longevity in demanding industrial environments.

-   **Seamless integration** with Rockwell Automation ControlNet systems
-   Ensures **efficient communication** between devices
-   Provides a reliable **5VDC 275MA** power supply
-   **Durable construction** for industrial environments
-   Enhances overall **automation performance**

**Specifications:**  
Voltage: 5VDC  
Current: 275MA  
Part Numbers: 307328-b02, 4001837681, 307348, Eon 10007346, 1811 Psw2.1 V-0

Trust the Allen-Bradley 20-COMM-C Communication Adapter for dependable performance in your industrial automation systems. Upgrade your control systems today for enhanced efficiency.

Also our company name is Ram Automations and also you can contact us on email info@ramautomations.com

## Details

- **Price:** 999.0 USD
- **Vendor:** Allen-Bradley
- **Type:** Industrial Automation > Communication > Adapters
- **Tags:** 20-COMM-C, 5VDC adapter, allen-bradley, communication-adapter, controlnet, rockwell-automation

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Allen-Bradley 20-COMM-C Communication Adapter - 5VDC 275MA-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/allen-bradley-20-comm-c-communication-adapter)
> Updated: 2026-09-19