# Siemens 3RH2140-1FB40 Contactor Relay Industrial Control

The **Siemens 3RH2140-1FB40** is a high-quality industrial control product designed for reliable operation in demanding automation environments. This contactor relay ensures efficient and safe switching of electrical circuits, making it an essential component for various industrial applications. Its robust design guarantees longevity and consistent performance, offering a key advantage in maintaining operational uptime. This product is specifically engineered for industrial control systems and automation projects.

Engineered for precision and durability the **Siemens 3RH2140-1FB40** operates seamlessly within complex control systems. It is ideal for applications requiring precise current handling and reliable electrical connections. Whether used in motor control circuits or general automation tasks, this component provides the stability and safety features expected from **Siemens industrial control products**. Its technical specifications are built to meet rigorous industrial standards for automation use.

-   Enhanced performance for critical industrial automation tasks
-   Superior durability and long-lasting operational reliability
-   Efficient energy management within control circuits
-   Broad compatibility with existing Siemens automation systems
-   Built to withstand harsh industrial operating conditions

**Specifications:**

Voltage Rating: \[Insert Voltage Rating Here\]  
Current Rating: \[Insert Current Rating Here\]  
Number of Auxiliary Contacts: \[Insert Contact Count Here\]  
Mounting Type: DIN rail

Leverage the trusted quality of **Siemens** for your automation needs. The **3RH2140-1FB40** contactor relay offers a dependable solution for controlling electrical loads in industrial settings. Invest in reliability and performance for your critical systems. Discover the difference true industrial automation components can make.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Control Components > Relays
- **Tags:** automation components, control systems, electrical relays, industrial control products, Siemens 3RH2140-1FB40, Siemens contactor relay, Siemens industrial automation

## Variants

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

## Images

- Siemens 3RH2140-1FB40 Contactor Relay Industrial Control-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rh2140-1fb40-contactor-relay)
> Updated: 2026-10-12