# Allen Bradley 854J-B20SA3 40mm Stack Light Sound Module 240V AC

Enhance your industrial automation systems with the **Allen Bradley 854J-B20SA3** 40mm Stack Light Sound Module. This essential component provides clear visual and audible signaling for critical status indications in demanding environments. Ideal for machine monitoring control systems and production line management the 854J-B20SA3 ensures operators are instantly aware of machine states or alerts improving operational efficiency and safety. As a trusted supplier of **Industrial and Marine Automation Parts** Ram Automations offers this reliable solution for your automation needs.

Engineered for robust performance the **Allen Bradley 854J-B20SA3** operates at **240V AC** delivering dependable signaling power. Its 40mm diameter is designed for standard panel mounting integrating seamlessly into existing control panels and electrical enclosures. This module is built to withstand the rigors of industrial settings making it a perfect fit for applications requiring continuous operation and clear communication within complex automation setups. Consider this module for applications where clear status feedback is paramount for smooth production flow and proactive maintenance.

-   **Clear Signaling** Provides both visual stack light and audible alarm for immediate alert notification.
-   **Durable Construction** Built to withstand harsh industrial environments ensuring long-term reliability.
-   **Standard 40mm Size** Easily integrates into existing control panels and electrical enclosures.
-   **240V AC Operation** Designed for common industrial power supplies ensuring broad compatibility.
-   **Enhanced Safety** Contributes to a safer working environment by clearly indicating machine status and potential hazards.

## Details

- **Price:** 999.0 USD
- **Vendor:** Allen Bradley
- **Type:** Industrial Automation > Signaling Devices > Stack Lights
- **Tags:** 240V AC, Allen Bradley 854J-B20SA3, Control Systems, Industrial Automation, Machine Monitoring, Ram Automations, Signaling Device, Stack Light Module

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- Allen Bradley 40 mm 240V AC Stack Light Sound Mod. 854J-B20SA3-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/allen-bradley-854j-b20sa3-stack-light-module)
> Updated: 2026-10-10