# Siemens 3NJ4103-3CF12 Circuit Breaker Industrial Protection

Ensure robust electrical protection with the Siemens 3NJ4103-3CF12 Circuit Breaker. Designed for demanding industrial automation applications this component safeguards machinery and control systems against overcurrent and short circuits. Trust in Siemens engineering for reliable performance and operational continuity in critical environments.

The Siemens 3NJ4103-3CF12 offers advanced protection features crucial for modern industrial control systems. Its precise tripping mechanisms and durable construction ensure consistent safety and operational integrity. This circuit breaker is engineered for seamless integration into complex automation setups providing essential safety functions and maintaining system stability.

-   **Reliable Industrial Protection** for critical automation systems.
-   **Durable Siemens Construction** ensuring long-lasting performance.
-   **Efficient Overcurrent and Short Circuit Safeguarding**.
-   **Seamless Integration** into existing control infrastructure.
-   **High Operational Continuity** for uninterrupted processes.

## Specifications

**Model Number** 3NJ4103-3CF12

**Brand** Siemens

**Application** Industrial Automation Protection

The Siemens 3NJ4103-3CF12 Circuit Breaker stands as a testament to Siemens commitment to quality and safety in industrial automation. Its advanced design and dependable operation make it an indispensable component for any facility prioritizing system integrity and equipment longevity. Invest in peace of mind with Siemens protection solutions.

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Industrial Automation > Circuit Protection > Circuit Breakers
- **Tags:** 3NJ4103-3CF12, control systems, electrical protection, industrial automation, overcurrent protection, short circuit protection, Siemens 3NJ4103-3CF12, Siemens circuit breaker

## Variants

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

## Images

- Siemens 3NJ4103-3CF12 Circuit Breaker Industrial Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-3nj4103-3cf12-circuit-breaker)
> Updated: 2026-09-23