# Siemens 3RT2024-2FB40 Contactor AC-3 5.5kW 400V DC 24V 1NO 1NC Integrated Diode

Discover superior motor control with the **Siemens 3RT2024-2FB40 Contactor**. This high-performance 3-pole contactor is designed for robust industrial automation applications, reliably managing three-phase motors up to 5.5 kW at 400V under AC-3 duty. Its integrated suppression diode provides essential coil protection, making it ideal for sophisticated PLC and automated systems.

Engineered for efficiency and durability, the **Siemens Contactor 3RT2024-2FB40** features a DC 24V coil and includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for versatile control and signaling. Its compact SIRIUS 3RT20 design ensures space-saving installation in control panels, motor starters, and various machinery. Is this contactor suitable for demanding environments? Yes, its industrial-grade construction guarantees long service life and operational stability.

### Key Features

-   **AC-3 Motor Switching** up to 5.5 kW at 400V
-   **DC 24V Coil** with integrated suppression diode for protection
-   **Integrated 1NO + 1NC Auxiliary Contacts** for flexible functions
-   **Compact 3-Pole Design** for efficient three-phase motor control
-   **High Electrical and Mechanical Endurance** for lasting performance

### Specifications

-   Brand Siemens
-   Part Number 3RT2024-2FB40
-   Type Power Contactor
-   Utilization Category AC-3
-   Rated Motor Power 5.5 kW 400V
-   Coil Voltage DC 24V
-   Auxiliary Contacts 1NO 1NC
-   Poles 3
-   Integrated Diode Yes

Choose the **Siemens 3RT2024-2FB40** for dependable and efficient operation in your industrial automation projects. Experience Siemens' quality and reliability for your critical control needs.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Contactors
- **Tags:** AC-3 Contactor, DC 24V Contactor, Industrial Automation, Motor Control Contactor, Power Switching Device, Siemens 3RT2024-2FB40, Siemens Contactor 3RT2024-2FB40, SIRIUS 3RT20

## Variants

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

## Images

- Siemens CONTACTOR, AC-3, 5.5KW/400V, 1NO+1NC, DC 24V, W.INTEGR.DIODE 3RT2024-2FB40

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rt2024-2fb40-contactor)
> Updated: 2026-09-01