# Siemens Contactor 3P 2NO 2NC 12A 5.5KW/400V S0 A9B10449790

Ensure reliable electrical circuit control with the Siemens CONTACTOR 3P 2NO 2NC 12A 5.5KW/400V S0, part number A9B10449790. This industrial automation component is engineered for robust performance in demanding applications, offering seamless integration and trusted reliability for your control systems.

Designed for industrial automation use the Siemens CONTACTOR A9B10449790 provides essential functionality for motor control and power switching. Its 3-pole configuration with 2 normally open and 2 normally closed contacts ensures versatile application within complex control systems. This component is built to handle a 12A current rating and up to 5.5KW at 400V offering efficient power management and protection features critical for operational integrity.

-   High-performance **Siemens CONTACTOR** for industrial automation
-   **3P 2NO 2NC** contact configuration for versatile control
-   Robust **12A current rating** and **5.5KW/400V** capacity
-   Engineered for durability and long-term operational efficiency
-   Guaranteed compatibility with Siemens automation systems

## Specifications

Current Rating: 12A  
Power Rating: 5.5KW at 400V  
Poles: 3  
Contact Configuration: 2 Normally Open (NO) 2 Normally Closed (NC)  
Model Series: S0

Trust in the quality and precision of Siemens automation components. The A9B10449790 CONTACTOR is a testament to engineering excellence, providing the dependable performance needed for critical industrial operations. Invest in reliability for your automation needs today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** 12A contactor, 3P 2NO 2NC, 5.5KW contactor, A9B10449790, CONTACTOR, control systems, industrial automation, power switching, Siemens

## Variants

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

## Images

- Siemens Contactor 3P 2NO 2NC 12A 5.5KW/400V S0 A9B10449790-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-contactor-a9b10449790)
> Updated: 2026-09-20