# Schmersal PH-440-ER-04 Safety Switch - Reliable Industrial Automation

Enhance operational safety with the robust **Schmersal PH-440-ER-04 Safety Switch**, a crucial component for demanding industrial automation environments. This reliable safety switch ensures maximum protection for both machinery and personnel, adhering to stringent safety standards.

Engineered for dependable performance, the **Schmersal PH-440-ER-04** features a positive opening operation, guaranteeing functionality even during power interruptions. Its durable construction from high-quality materials withstands rigorous industrial conditions, offering extended longevity. This versatile switch is ideal for emergency stop circuits, machine guarding, and conveyor systems, providing flexible safety solutions. Many users ask how easy it is to install, and the **Schmersal PH-440-ER-04** boasts a design that allows for quick and straightforward integration, minimizing system downtime. Its compact form factor facilitates seamless incorporation into existing setups. Discover the reliability of **Schmersal safety switches** for your automation needs.

-   **Positive Opening Operation** for guaranteed safety function
-   **Durable Construction** built for harsh industrial environments
-   **Versatile Application** across various safety control systems
-   **Easy Installation** to reduce setup time and complexity
-   **Compact Design** for seamless integration into existing machinery

### Specifications:

-   Model: **PH-440-ER-04**
-   Part Number: **103026839**
-   Brand: **Schmersal**
-   Application: Industrial Safety Control
-   Certifications: Meets necessary industrial safety and quality standards

The **Schmersal PH-440-ER-04 Safety Switch** represents a commitment to safety and performance in industrial automation. Its proven reliability and ease of integration make it an indispensable choice for facilities prioritizing operational integrity. Upgrade your safety infrastructure with this trusted **Schmersal component** today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Schmersal
- **Type:** Industrial Automation > Safety Components > Safety Switches
- **Tags:** 103026839, Control Systems, Emergency Stop, Industrial Automation, Machine Safety, Safety Components, Schmersal PH-440-ER-04, Schmersal Safety Switch

## Variants

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

## Images

- Schmersal PH-440-ER-04 Safety Switch - Reliable Industrial Automation-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/schmersal-ph-440-er-04-safety-switch-103026839)
> Updated: 2026-09-20