# Siemens 3PST 42 52A S2 Circuit Breaker A9B10289723

Ensure reliable power management with the Siemens **3PST 42 52A S2 Circuit Breaker A9B10289723**. This versatile component is engineered for robust performance in demanding industrial automation environments, offering superior protection and operational continuity.

Engineered for precise control systems the Siemens **A9B10289723 circuit breaker** provides exceptional electrical protection. Its 52A current rating and S2 trip unit configuration make it ideal for safeguarding sensitive equipment in complex automation setups. This part number is crucial for maintaining the integrity of your electrical infrastructure.

-   **High Performance** Protects circuits with a 52A rating.
-   **Durable Construction** Built for longevity in industrial settings.
-   **Precise Tripping** S2 trip unit ensures accurate fault detection.
-   **Broad Compatibility** Suitable for various Siemens automation applications.
-   **Enhanced Safety** Offers reliable overcurrent protection.

## Specifications

-   Type 3PST 42
-   Current Rating 52A
-   Trip Unit S2
-   Connection Screw Terminals
-   Brand Siemens

Invest in the dependable performance of Siemens automation components. The **Siemens A9B10289723** circuit breaker is a testament to quality and reliability for your critical industrial systems. Secure your essential parts today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 52A breaker, A9B10289723, circuit protection, electrical safety, industrial automation, power management, S2 trip unit, Siemens circuit breaker

## Variants

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

## Images

- Siemens 3PST 42 52A S2 Circuit Breaker A9B10289723-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-circuit-breaker-a9b10289723)
> Updated: 2026-09-20