# Siemens 3ND2140 Circuit Breaker Protective Device

Ensure reliable electrical protection with the Siemens 3ND2140 Circuit Breaker a crucial component for safeguarding industrial automation systems. This high-performance device offers superior safety and operational continuity for demanding applications. Its robust design is engineered for longevity and dependable performance making it an essential part of any modern electrical infrastructure.

The Siemens 3ND2140 is designed for efficient integration into complex control systems providing critical overcurrent and short-circuit protection. It operates effectively within specified voltage and current ratings ensuring the integrity of your machinery and preventing costly downtime. This circuit breaker is an ideal choice for industrial automation setups requiring robust and trustworthy electrical safety measures.

Key Features:

-   **Enhanced Electrical Protection** for critical industrial equipment
-   **Robust Construction** ensuring long-term durability and reliability
-   **Efficient Integration** into existing automation and control systems
-   **Dependable Performance** under demanding operational conditions
-   **Compliance with Safety Standards** for industrial environments

Specifications:

-   Model Number 3ND2140
-   Designed for industrial automation
-   Provides overcurrent and short-circuit protection

Trust in the quality and engineering excellence of Siemens for your electrical protection needs. The Siemens 3ND2140 Circuit Breaker is a reliable solution for maintaining operational safety and efficiency in your industrial automation environment. Explore its capabilities for your next project.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Electrical Equipment > Circuit Protection > Circuit Breakers
- **Tags:** circuit breaker, control systems, electrical protection, industrial automation, protective device, Siemens 3ND2140, Siemens circuit breaker

## Variants

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

## Images

- Siemens 3ND2140 Circuit Breaker Protective Device-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-3nd2140-circuit-breaker)
> Updated: 2026-09-23