# Compact Circuit Breaker Merlin Gerin NS100N - 500A Protection

The **Compact Circuit Breaker Merlin Gerin NS100N**, part number 5RSN0021422, from Schneider Electric is a robust solution designed for superior electrical protection. Ideal for industrial applications, this circuit breaker ensures reliable performance with its 500A current rating and a voltage rating of Ui 750V. It meets the stringent standards of Cat A IEC/EN 60947-2, making it a dependable choice for various electrical systems.

This **NS100N** model is engineered to withstand temperatures up to 75°C and can accommodate wire sizes and tripping currents up to 125% of its rated capacity. With a Uimp of 8kV and a TM 50 D 50A/40°C tripping current, it provides efficient protection. Whether you are upgrading your current system or installing a new one, this circuit breaker offers durability and efficiency. The part numbers 29003E also available for your reference.

Key Features:

-   **Reliable Protection**: Offers dependable electrical protection.
-   **High Current Rating**: Features a 500A current rating to handle demanding applications.
-   **Wide Temperature Range**: Designed to operate in temperatures up to 75°C.
-   **Compliance**: Meets Cat A IEC/EN 60947-2 standards.
-   **Easy Installation**: Weighing only 1.700 Kg, it simplifies installation and maintenance.

**Specifications**: Voltage Rating: Ui 750V, Uimp: 8kV, Current Rating: 500A, Tripping Current: TM 50 D 50A/40°C, Part Numbers: 5RSN0021422, 29003E.

The **Compact Circuit Breaker Merlin Gerin NS100N** delivers consistent performance and reliability. Trust Schneider Electric to provide the quality you need for your electrical projects. Ensure your industrial or automation systems are protected with this efficient and durable circuit breaker.

For inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Schneider Electric
- **Type:** Electrical Components > Circuit Breakers > Compact Circuit Breaker
- **Tags:** 29003E, 500A circuit breaker, circuit breaker 5RSN0021422, compact circuit breaker, electrical protection, industrial automation, Merlin Gerin, NS100N, Schneider Electric

## Variants

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

## Images

- Compact Circuit Breaker Merlin Gerin NS100N - 500A Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/compact-circuit-breaker-merlin-gerin-ns100n)
> Updated: 2026-09-19