# OMRON D4SL-N4NFA-D Guard Lock Safety Door Switch - Industrial Automation

Ensure operational safety with the **OMRON D4SL-N4NFA-D Guard Lock Safety Door Switch**. This essential component is designed for robust applications within industrial automation environments, providing reliable interlocking mechanisms for machinery and hazardous areas. Its advanced design prevents unexpected startup of equipment while doors are open, safeguarding personnel and maintaining process integrity. The **D4SL-N4N4FA-D** offers superior durability and consistent performance, making it a trusted choice for critical safety interlocks.

Engineered for demanding industrial settings, the **OMRON D4SL-N4NFA-D** integrates seamlessly into modern control systems. It operates effectively within standard industrial voltage ranges, ensuring compatibility with existing infrastructure. This safety door switch is built to withstand harsh conditions, offering protection against dust and moisture, which is crucial for longevity in manufacturing and processing plants. Its precise actuation mechanism guarantees that safety circuits are only enabled when the door is securely closed and locked, a vital feature for compliance and accident prevention in automated workflows.

-   **High Reliability**: Engineered for consistent and dependable safety interlock operations.
-   **Durable Construction**: Built to withstand harsh industrial environments and prolonged use.
-   **Enhanced Safety Features**: Prevents machine startup when doors are open, protecting personnel.
-   **Broad Compatibility**: Designed to integrate easily with existing industrial automation control systems.
-   **Tamper Resistance**: Features a robust locking mechanism to prevent unauthorized bypass.

### Specifications

**Brand** OMRON  
**Part Number** D4SL-N4NFA-D  
**Type** Guard Lock Safety Door Switch  
**Actuation Force** Standard  
**Contact Rating** Varies by configuration (consult datasheet)  
**Operating Temperature** -10 to 55°C (typical)

Trust in **OMRON** for your critical safety needs. The **D4SL-N4NFA-D Guard Lock Safety Door Switch** represents a commitment to quality and protection in industrial automation. Enhance your facility's safety protocols and operational efficiency by integrating this high-performance safety device. Explore our range of OMRON safety components today.

## Details

- **Price:** 999.0 USD
- **Vendor:** OMRON
- **Type:** Industrial Automation > Safety Components > Safety Door Switches
- **Tags:** Automation Components, D4SL-N4NFA-D, Guard Lock Safety Door Switch, Industrial Safety, Machine Safety, OMRON, OMRON Safety Switch, Safety Interlock

## Variants

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

## Images

- OMRON G32A-A20-VD Solid State Relay - High Performance Automation-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/omron-d4sl-n4nfa-d-safety-door-switch)
> Updated: 2026-10-20