# Siemens 3NP1143-1DA10 Fuse-Switch-Disconnector - 250A NH1 3-Pole

The **Siemens 3NP1143-1DA10 Fuse-Switch-Disconnector** is a robust 3-pole device designed for safe switching and protection in low-voltage systems. Ideal for industrial automation, it ensures reliable circuit protection and operational safety.

This **Siemens Fuse-Switch-Disconnector** features a 250A current rating and NH1 fuse size, providing dependable performance in demanding industrial settings. Its mounting plate design (Type CO) allows for easy installation in control systems and power distribution boards.

**Key Features**

-   Integrated switching, isolation, and fuse protection
-   3-pole construction for three-phase systems
-   High durability for heavy electrical loads
-   Safe operation in power distribution systems
-   **Siemens** SENTRON engineering for reliability

**Specifications**

-   Product Type: **Fuse-Switch-Disconnector**
-   Manufacturer: **Siemens**
-   Part Number: **3NP1143-1DA10**
-   Number of Poles: 3 Pole
-   Fuse Size: NH1
-   Rated Current: 250A
-   Mounting Type: Mounting plate (Type CO)

The **Siemens 3NP1143-1DA10** ensures dependable power control and protection. Its design guarantees operational safety in automation applications. Get yours today

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Circuit Protection > Fuse Disconnects
- **Tags:** 250a switch, 3-pole disconnector, 3NP1143-1DA10, circuit protection, fuse-switch-disconnector, industrial protection, nh1 fuse, siemens

## Variants

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

## Images

- Siemens 3NP1143-1DA10 Fuse-Switch-Disconnector - 250A NH1 3-Pole-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3np1143-1da10-fuse-switch-disconnector)
> Updated: 2026-09-30