# Siemens 3P 690V N-REL 42A Screw Circuit Breaker A9B10239501

Ensure the integrity of your industrial operations with the Siemens 3P 690V N-REL 42A Screw Circuit Breaker part number A9B10239501. This essential component is engineered for superior protection in demanding Siemens turbine applications, offering robust performance and reliability. It provides critical overcurrent protection for your valuable equipment, safeguarding against electrical faults and ensuring continuous operation.

Designed for advanced automation systems, this Siemens circuit breaker operates at 690V with a 42A current rating. Its screw terminal connection ensures secure installation within control systems. For users seeking dependable protection in wind turbine environments, this part number A9B10239501 offers a perfect fit, delivering consistent safety and efficiency.

-   Engineered for exceptional **performance** in harsh industrial settings.
-   **Durable construction** ensures long-lasting reliability and reduced maintenance.
-   Optimized for seamless **compatibility** with Siemens wind turbine models.
-   Provides essential **overcurrent protection** for critical electrical systems.
-   Features a secure **screw terminal** for dependable connections.

### Specifications

-   Type: 3-Pole Circuit Breaker
-   Voltage Rating: 690V
-   Current Rating: 42A
-   Connection: Screw Terminal
-   Series: N-REL

Trust in the quality and expertise of Siemens for your industrial automation needs. The Siemens 3P 690V N-REL 42A Screw Circuit Breaker A9B10239501 is your assurance of operational safety and efficiency. Discover reliable protection for your systems today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 42A circuit breaker, 690V circuit breaker, A9B10239501, industrial automation, N-REL, overcurrent protection, Siemens automation, Siemens circuit breaker, wind turbine protection

## Variants

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

## Images

- Siemens 3P 690V N-REL 42A Screw Circuit Breaker A9B10239501-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-circuit-breaker-a9b10239501)
> Updated: 2026-09-20