# Schneider KNA40ED4301 ELEM RETT 40A 3m 4P Industrial Circuit Breaker

Introducing the Schneider **KNA40ED4301** ELEM RETT circuit breaker, a robust solution for demanding industrial automation and marine applications. Designed for reliable power distribution and protection, this **Schneider** component ensures operational continuity and safety in critical systems. Its advanced design offers superior performance and durability, making it an essential part of any sophisticated control setup. The **KNA40ED4301** is engineered to meet stringent industry standards, providing peace of mind for professionals managing complex electrical environments.

This **Schneider** ELEM RETT breaker, specifically the **KNA40ED4301** model, is built for high-performance operation within industrial automation and marine control systems. It features a 40A current rating and a 3-module width for efficient space utilization in control panels. The 4-pole configuration ensures comprehensive circuit isolation and protection. Whether integrating into new builds or upgrading existing infrastructure, the **KNA40ED4301** delivers consistent and dependable electrical management. Its construction prioritizes longevity and operational integrity even under heavy loads.

-   **Robust Schneider KNA40ED4301 design** for industrial and marine use
-   **40A current rating** ensures high-capacity power handling
-   **4-pole configuration** provides complete circuit isolation
-   **3-module width** for compact and efficient panel integration
-   **Enhanced protection features** for critical automation systems

## Specifications

Brand Schneider  
Part Number KNA40ED4301  
Model ELEM RETT  
Current Rating 40A  
Poles 4  
Width 3 modules

Trust in the quality and engineering excellence of **Schneider** with the **KNA40ED4301**. This circuit breaker is a testament to reliable industrial automation components, offering superior protection and control. Invest in dependable performance for your most critical applications. Contact us to secure your **Schneider KNA40ED4301** today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Schneider
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 4 pole breaker, 40A breaker, control systems, ELEM RETT, industrial automation, marine electrical, Schneider circuit breaker, Schneider KNA40ED4301

## Variants

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

## Images

- Schneider KNA40ED4301 ELEM RETT 40A 3m 4P Industrial Circuit Breaker-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/schneider-kna40ed4301-elem-rett-40a-4p)
> Updated: 2026-10-11