# ABB LN500 Circuit Breaker - 500A, 690V - Reliable Protection

The ABB LN500 Circuit Breaker, part number LN500, provides reliable protection for electrical systems in industrial, commercial, and residential settings. Designed with a 500A current rating and a maximum operating voltage of 690V, it's ideal for various applications requiring robust circuit protection.

This circuit breaker is certified to IEC 947-2 and CEI 17-5, ensuring it meets international safety and performance standards. Featuring a Category A classification and an ultimate breaking capacity (Icu) of 50-60Hz, the **ABB LN500** can manage high electrical fault currents. The 100% Icu short-circuit breaking capacity at 110V provides effective protection against short circuit damage.

**Key Features:**

-   **500A Current Rating:** Suitable for high-power applications.
-   **690V Maximum Operating Voltage:** Compatible with various electrical systems.
-   **IEC 947-2 and CEI 17-5 Certifications:** Meets international safety standards.
-   **Category A Classification:** Reliable performance under fault conditions.
-   **100% Icu Short-Circuit Breaking Capacity:** Provides effective protection against short circuits.

**Specifications:**

-   Current Rating: 500A
-   Maximum Operating Voltage: 690V
-   Certifications: IEC 947-2, CEI 17-5
-   Category: A
-   Ultimate Breaking Capacity (Icu): 50-60Hz
-   Short-Circuit Breaking Capacity (Ics): 100% Icu at 110V
-   Weight: 2.970 kg

Trust ABB for your circuit protection needs. The LN500 circuit breaker offers robust and efficient protection for your crucial electrical systems. Use the **ABB LN500** for reliable performance in industrial and automation environments.

For inquiries and purchases, contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Electrical > Circuit Breakers > Industrial
- **Tags:** 500A, 690V, ABB, automation, CEI 17-5, circuit breaker, electrical protection, IEC 947-2, industrial, LN500

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- ABB LN500 Circuit Breaker - 500A, 690V - Reliable Protection-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-ln500-circuit-breaker)
> Updated: 2026-09-19