# Siemens 3RH2140-4KB40 Industrial Control Relay - Automation Solutions

The Siemens 3RH2140-4KB40 is a high-performance industrial control relay designed to ensure reliable operation in demanding automation systems. This component is essential for controlling electrical circuits and safeguarding machinery in various industrial applications. Its robust construction provides lasting durability and consistent performance, making it a trusted choice for professionals seeking efficiency and safety. Experience enhanced control and protection with this advanced Siemens product.

Engineered for precision, the Siemens 3RH2140-4KB40 integrates seamlessly into complex control systems. It offers dependable switching capabilities crucial for motor control and power distribution within automated environments. This relay is built to withstand the rigors of industrial settings, ensuring uninterrupted operation and optimal system integrity. For industrial automation use, this Siemens component is a superior selection.

-   **Reliable Control**: Ensures consistent and dependable operation of electrical circuits.
-   **Durable Construction**: Built to withstand harsh industrial environments for long-term use.
-   **System Integration**: Easily incorporates into existing automation and control systems.
-   **Enhanced Safety**: Contributes to the overall safety and protection of industrial machinery.
-   **Efficient Performance**: Delivers optimal operational efficiency for critical processes.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Relays
- **Tags:** 3RH2140-4KB40, automation components, control systems, electrical relay, industrial control, motor control, Siemens 3RH2140-4KB40, Siemens relay

## Variants

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

## Images

- Siemens 3RH2140-4KB40 Industrial Control Relay - Automation Solutions-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-4kb40-control-relay)
> Updated: 2026-10-12