# ABB 1SDA055921R1 Circuit Breaker Protection System

Introducing the ABB **1SDA055921R1** a high-performance circuit breaker designed for robust industrial automation applications. This essential component ensures reliable power distribution and critical protection for your electrical systems safeguarding equipment from overloads and short circuits. Its advanced design offers superior safety and operational efficiency.

Engineered for demanding environments the ABB **1SDA055921R1** integrates seamlessly into complex control systems. It provides precise current ratings and exceptional breaking capacity essential for maintaining stable operations in manufacturing plants and marine vessels. Experience unparalleled reliability and peace of mind with this state-of-the-art protection solution.

-   Advanced **circuit breaker** technology for superior protection
-   Durable construction ensures long-lasting performance in harsh conditions
-   Optimized for seamless integration into **industrial automation** systems
-   High breaking capacity for maximum safety and equipment safeguarding
-   Reliable performance for critical power distribution needs

This ABB **circuit breaker** is built for performance and durability. Its precise technical specifications ensure optimal functionality within your designated electrical infrastructure.

For dependable protection and enhanced operational stability choose the ABB **1SDA055921R1**. Secure your critical infrastructure today.

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Electrical Components > Circuit Breakers
- **Tags:** 1SDA055921R1, ABB, ABB Circuit Breaker, Circuit Breaker, Control Systems, Electrical Protection, Industrial Automation, Power Distribution

## Variants

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

## Images

- ABB 1SDA055921R1 Circuit Breaker Protection System-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-1sda055921r1-circuit-breaker)
> Updated: 2026-10-09