# Siemens 4PST-NO Circuit Breaker 400V 25A C - Industrial Protection

Ensure robust electrical safety with the **Siemens Circuit Breaker 4PST-NO 3 N 400V 25A C** model **A9B10318883**. This essential component is engineered for reliable overcurrent protection in demanding industrial automation systems and marine applications. Its advanced design guarantees operational continuity and safeguards critical equipment from electrical faults, providing peace of mind for engineers and operators.

Engineered by **Siemens**, a global leader in automation technology, the **A9B10318883** circuit breaker offers superior performance and durability. It is designed to integrate seamlessly into complex control systems, offering precise tripping characteristics for 400V and 25A circuits. This breaker is a critical element in maintaining the integrity and safety of industrial machinery and power distribution networks. For those seeking dependable electrical protection solutions, this **Siemens** breaker is an ideal choice protecting against issues.

-   **High Performance**: Delivers reliable 400V 25A circuit protection.
-   **Durable Construction**: Built to withstand harsh industrial environments.
-   **Enhanced Safety**: Prevents damage from overcurrent and short circuits.
-   **Versatile Application**: Suitable for diverse industrial automation and marine uses.
-   **Brand Trust**: Backed by the quality and innovation of Siemens.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Components > Circuit Protection > Circuit Breakers
- **Tags:** 400V 25A breaker, 4PST-NO circuit breaker, A9B10318883, electrical protection, industrial automation, marine equipment, overcurrent protection, Siemens automation, Siemens circuit breaker

## Variants

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

## Images

- Siemens 4PST-NO Circuit Breaker 400V 25A C - Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-a9b10318883-circuit-breaker)
> Updated: 2026-10-06