# Siemens 3NP1143-1DA21 Industrial Switch Disconnector - Reliable Automation

Introducing the Siemens 3NP1143-1DA21 Industrial Switch Disconnector a robust solution for critical industrial automation and control systems. Engineered for demanding environments this switch ensures reliable power isolation and safe operation. Its advanced design offers superior performance and safety making it an essential component for any modern industrial setup. Experience enhanced operational efficiency and peace of mind with Siemens leading-edge technology.

The Siemens 3NP1143-1DA21 is built to withstand rigorous industrial conditions offering exceptional durability and consistent performance. It is designed for seamless integration into existing automation infrastructure and control panels providing efficient and secure electrical switching. This device is ideal for applications requiring precise power management and protection features ensuring the longevity and safety of your systems. What makes this switch ideal for complex automation tasks Its robust construction and reliable switching capabilities.

-   **Siemens 3NP1143-1DA21** for dependable power control.
-   High **durability** for harsh industrial environments.
-   Ensures safe and efficient **power isolation**.
-   Seamless **compatibility** with automation systems.
-   Designed for high-performance **industrial applications**.

## Specifications

Operational Voltage: \[Specify Voltage Range\]

Current Rating: \[Specify Current Rating\]

Mounting Type: \[Specify Mounting Type\]

Protection Class: \[Specify Protection Class\]

**Siemens industrial switches** are synonymous with quality and reliability. The Siemens 3NP1143-1DA21 continues this legacy offering advanced functionality and long-term value for your industrial automation needs. Discover the difference that premium engineering makes for your operations and secure your supply chain today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Switches > Switch Disconnectors
- **Tags:** automation components, control systems, industrial automation, power isolation, Ram Automations, Siemens 3NP1143-1DA21, Siemens industrial switches, switch disconnector

## Variants

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

## Images

- Siemens 3NP1143-1DA21 Industrial Switch Disconnector - Reliable Automation-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3np1143-1da21-industrial-switch)
> Updated: 2026-09-28