# Siemens A9B10280920 Circuit Breaker 55KA 415V AC 3P

Ensure robust electrical protection with the Siemens A9B10280920 Circuit Breaker ICU 55KA 415V AC 3P. This critical component is engineered for reliable overcurrent protection in demanding industrial automation systems, offering superior safety and operational continuity. Designed for direct integration, it provides essential safeguarding for sensitive equipment and circuits, making it an indispensable part of any advanced control system. Trust in Siemens quality for your most critical applications.

The Siemens A9B10280920 features a high interrupting capacity of 55KA at 415V AC across three poles, ensuring it can safely manage fault currents. Its advanced design is optimized for industrial automation use, providing dependable performance in complex control systems. This circuit breaker is built to offer maximum protection against electrical disturbances, reinforcing the integrity and longevity of your machinery. It represents a key element in maintaining system stability and preventing costly downtime.

-   **High Interrupting Capacity**: 55KA at 415V AC for superior fault current management.
-   **Industrial Automation Ready**: Specifically designed for use in advanced control systems.
-   **Siemens Reliability**: Built with the trusted quality and durability associated with the Siemens brand.
-   **3-Pole Design**: Offers comprehensive protection for three-phase electrical systems.
-   **Enhanced Safety Features**: Protects equipment and personnel from electrical hazards.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Components > Circuit Protection > Circuit Breakers
- **Tags:** 3P circuit breaker, 415V AC breaker, 55KA circuit breaker, circuit breaker, industrial automation, overcurrent protection, Siemens A9B10280920, Siemens protection

## Variants

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

## Images

- Siemens A9B10280920 Circuit Breaker 55KA 415V AC 3P-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-a9b10280920-circuit-breaker)
> Updated: 2026-09-20