# Mitsubishi Electric NF400-SS 400A AC No-Fuse Breaker - Industrial Protection

Ensure superior electrical safety with the **Mitsubishi Electric NF400-SS** a robust 400 Amp AC No-Fuse Breaker. This device is engineered for demanding industrial and commercial power distribution applications offering reliable protection against overloads and short circuits. Its advanced design minimizes maintenance needs while maximizing operational continuity.

This **Mitsubishi Electric NF400-SS** breaker integrates seamlessly into automation systems and control panels providing critical fault interruption. It operates with precision safeguarding sensitive equipment and ensuring the integrity of your power infrastructure. For professionals seeking dependable circuit protection this breaker is an essential component.

**Key Features:**

-   **400A AC Rating** for high-power circuit protection.
-   **No-Fuse Design** ensures reliable operation and simple maintenance.
-   **Rapid Tripping Mechanism** for swift overload and short-circuit response.
-   **Durable Industrial Construction** built to withstand harsh environments.
-   **Trusted Mitsubishi Electric Quality** for long-term performance.

**Specifications:**

-   Manufacturer: Mitsubishi Electric
-   Model Part Number: **NF400-SS**
-   Rated Current: 400A
-   Type: AC No-Fuse Breaker
-   Application: Industrial Commercial Power Distribution Control Panels
-   Mounting: Panel Switchgear Compatible

The **Mitsubishi Electric NF400-SS** breaker offers unparalleled reliability for your industrial automation needs. Discover the difference trusted engineering makes. Contact Ram Automations today to secure your electrical systems.

## Details

- **Price:** 999.0 USD
- **Vendor:** Mitsubishi Electric
- **Type:** Industrial Automation > Circuit Protection > No-Fuse Breakers
- **Tags:** 400a ac no-fuse breaker, automation components, control panel equipment, electrical protection, industrial circuit breaker, mitsubishi electric breaker, mitsubishi electric nf400-ss, no-fuse breaker, power distribution

## Variants

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

## Images

- Mitsubishi Electric NF400-SS 400A AC No-Fuse Breaker - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/mitsubishi-electric-nf400-ss-400a-breaker)
> Updated: 2026-09-19