# Siemens Auxiliary Circuit Switch 1NO 1NC UL489 A9B10129284

Ensure optimal performance and reliability in your Siemens wind turbine operations with the **Siemens Auxiliary Circuit Switch 1NO 1NC UL489** part number **A9B10129284**. This vital component is engineered for maximum efficiency, providing seamless integration within advanced control systems. When you need a trusted switch for critical applications, this Siemens product offers exceptional durability and performance.

Designed for demanding industrial environments, the **Siemens A9B10129284** switch offers robust functionality. It is ideal for use in automation and control systems where precise switching is paramount. This auxiliary circuit switch ensures that your Siemens turbine circuitry operates smoothly, backed by the quality and trust associated with the Siemens brand.

-   **High Reliability** Engineered for consistent operation in wind turbine systems.
-   **Direct Integration** Designed for seamless compatibility with Siemens turbine components.
-   **Durable Construction** Built to withstand the rigors of industrial automation applications.
-   **UL489 Certified** Meets stringent safety and performance standards for critical circuits.
-   **Efficient Control** Provides reliable 1NO 1NC (one normally open one normally closed) contact configuration.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Switches > Auxiliary Circuit Switches
- **Tags:** 1NO 1NC Switch, Auxiliary Circuit Switch, Control Systems, Industrial Automation, Siemens, Siemens A9B10129284, UL489, Wind Turbine Component

## Variants

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

## Images

- Siemens Auxiliary Circuit Switch 1NO 1NC UL489 A9B10129284-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-auxiliary-circuit-switch-a9b10129284)
> Updated: 2026-09-20