# Siemens 3RV1031-4HA10 Circuit Breaker 40-50A Thermal Overload Relay

Protect your industrial automation systems with the robust Siemens **3RV1031-4HA10 Circuit Breaker**. This essential component offers reliable overload and short-circuit protection for motors and electrical circuits, ensuring operational continuity and safety. Designed for demanding industrial environments, the **Siemens 3RV1031-4HA10** provides peace of mind through its durable construction and precise performance. It is a critical part of any effective control system, safeguarding valuable equipment from electrical faults. The **3RV1031-4HA10** is engineered for efficiency and longevity.

Engineered to meet stringent standards, this Siemens circuit breaker operates within a 40-50A range, making it suitable for a wide array of applications. It conforms to GB14048.2/:4/50Hz Cat A specifications and carries the ATEX certification DMT 02 ATEX F 001, highlighting its suitability for potentially explosive atmospheres. The **Siemens 3RV1031-4HA10** is configured as a 3-pole breaker with S2 protection class and does not include auxiliary contacts, simplifying installation and integration into existing automation setups. Its German manufacturing speaks to its quality and dependability.

-   High-performance overload and short-circuit protection
-   Durable construction for industrial environments
-   Precise current rating of 40-50A
-   ATEX certified for hazardous locations
-   Reliable German engineering and manufacturing

### Specifications:

Current Rating 40-50A  
Poles 3  
Protection Class S2  
Frequency 50Hz  
Standard GB14048.2/:4/50Hz Cat A  
Certification DMT 02 ATEX F 001

The Siemens **3RV1031-4HA10 Circuit Breaker** is a testament to Siemens' commitment to quality and innovation in industrial automation. Trust in this dependable component to secure your electrical infrastructure. Explore our range of Siemens automation solutions today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical > Circuit Protection > Circuit Breakers
- **Tags:** 3RV1031-4HA10, 3RV10314HA10, 40-50A breaker, ATEX certified, German engineering, industrial automation, motor protection, Siemens 3RV, Siemens circuit breaker, thermal overload relay

## Variants

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

## Images

- Siemens 3RV1031-4HA10 Circuit Breaker 40-50A Thermal Overload Relay-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3rv1031-4ha10-circuit-breaker)
> Updated: 2026-09-21