# Pepperl+Fuchs WE 77 EX2 01543S Switch Amplifier – Control Circuit

The **Pepperl+Fuchs WE 77 EX2 01543S** switch amplifier is a critical component for ensuring the safe and efficient operation of control circuits in industrial settings. Designed for reliability, this amplifier is ideal for applications requiring precise signal processing and robust performance. This amplifier is suitable for various industrial applications and manufactured with high quality.

Operating with a 220VAC supply, the **WE 77 EX2 01543S** features an output relaiskontakt/changeover contact, ensuring dependable switching capabilities. This switch amplifier is compliant with relevant certifications and standards. The **Pepperl+Fuchs WE 77 EX2 01543S** switch amplifier provides dependable performance in demanding environments.

Key Features:

-   **Switch Amplifier** designed for control circuits.
-   Part number **01543S** for easy identification.
-   Operates at 220VAC, suitable for various steuerkreise/control circuits.
-   Features a relaiskontakt/changeover contact capable of handling 250VAC/4A/500VA.
-   Compliant with CL. I, Div. 1, Gr. A,B,C,D; CL. II, Div. 1, Gr. E,F,G; CL. III, Div. 1 classifications.

With its robust design and adherence to stringent standards, the **Pepperl+Fuchs WE 77 EX2 01543S** is a trusted choice for industrial automation systems. This switch amplifier ensures dependable performance and enhances the safety and efficiency of your control circuits. Choose the **WE 77 EX2 01543S** for reliable operation in your industrial applications. For any inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** Industrial Automation > Control Components > Switch Amplifiers
- **Tags:** 01543S, 220VAC amplifier, control circuits, industrial automation, Pepperl+Fuchs, switch amplifier

## Variants

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

## Images

- Pepperl+Fuchs WE 77 EX2 01543S Switch Amplifier – Control Circuit-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/pepperl-fuchs-we-77-ex2-01543s)
> Updated: 2026-10-02