# MS165 Circuit Breaker

# MS165 Circuit Breaker

The MS165 Circuit Breaker is a robust motor protection device designed to provide reliable electrical circuit interruption. Engineered for high performance, it ensures safe operation under demanding industrial conditions.

-   **Rated current capacity up to 65A** to handle a wide range of motor loads efficiently
-   **Short-circuit breaking capacity of 10 kA** guarantees rapid disconnection to protect equipment
-   **Thermal-magnetic trip unit** offers precise and adjustable protection settings
-   **Compliance with IEC 60947-2 standards** ensures top-tier safety and performance benchmarks
-   **Compact footprint** facilitates easy installation in control panels with limited space

Compared to previous models and typical industry offerings, the MS165 Circuit Breaker stands out with enhanced breaking capacity and compact design. Its advanced thermal-magnetic trip unit provides more accurate motor protection, reducing downtime and maintenance costs.

## Innovations in Safety and Performance

The MS165 integrates ABB’s cutting-edge technology to optimize motor control and safeguarding. Its precise trip mechanisms minimize nuisance tripping while responding swiftly to faults, ensuring motor longevity and operational continuity. Engineered for durability, the unit meets rigorous testing, delivering consistent performance in industrial environments where reliability is paramount.

## Details

- **Price:** 82.06 USD - 171.34 USD
- **Vendor:** DDY GROUP CO.,LTD.
- **Tags:** Abb, mccb, Motor Circuit Breaker

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| MS165-42 | 131.81 USD | In stock |
| MS165-54 | 93.26 USD | In stock |
| MS165-65 | 94.99 USD | In stock |
| MS165-32 | 82.06 USD | In stock |
| MS165-80 | 162.14 USD | In stock |
| MS165-73 | 153.97 USD | In stock |
| MS165-16 | 101.75 USD | In stock |
| MS165-25 | 115.37 USD | In stock |
| MS165-42B | 171.34 USD | In stock |
| MS165-20 | 108.81 USD | In stock |

## Images

- MS165 Circuit Breaker

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> Source: [DDY GROUP CO.,LTD.](https://ddysupply.com/products/ms165-circuit-breaker)
> Updated: 2026-08-29