# Molded case circuit breakers, 1P, 2P, 3P, 4P air switches, three-phase circuit breakers, air switches support

# Reliable Protection with Molded Case Circuit Breakers

A molded case circuit breaker helps protect your home or business from electrical faults and sudden power issues.

These faults can cause downtime, damaged equipment, and safety risks. Good circuit protection helps reduce disruption and stress.

The DDY Molded Case Circuit Breaker (MCCB) offers dependable protection for electrical systems in daily use.

Designed for flexible applications, these air switches support 1P, 2P, 3P, and 4P configurations.

They are suitable for both single-phase and three-phase circuits, with support for loads up to 400A.

## Why Choose the DDY Molded Case Circuit Breaker?

-   **Comprehensive Support:** Available for single-phase and three-phase circuits to cover a wide range of electrical needs.
-   **High-Ampere Capacity:** Supports up to 400A, ensuring reliable performance even under heavy load conditions.
-   **Enhanced Safety:** Built to quickly disconnect power during faults, reducing risks of damage and injury.

The outer case is built for durability and helps support stable performance in demanding electrical environments.

Its design reflects practical use needs and a clean structure, similar to the consistency valued in injection molding.

It can also support systems that work alongside pcb-based control layouts in broader electrical setups.

Many users praise these MCCBs for reliable operation and a durable build in electrical protection systems.

This molded case circuit breaker is a practical choice for users who need dependable protection and flexible installation options.

Choose the DDY molded case circuit breaker to improve electrical safety, system efficiency, and peace of mind.

## Details

- **Price:** 11.25 USD - 81.03 USD
- **Vendor:** DDY GROUP CO.,LTD.
- **Tags:** DDY Molded Case Circuit Breaker, MCCB

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Model: BEYM1 125L/3300 16A | 11.25 USD | In stock |
| Model: 125L/3300 20A | 11.25 USD | In stock |
| Model: 125L/3300 25A | 11.25 USD | In stock |
| Model: 125L/3300 32A | 11.25 USD | In stock |
| Model: 125L/3300 40A | 11.25 USD | In stock |
| Model: 125L/3300 50A | 11.25 USD | In stock |
| Model: 125L/3300 63A | 11.25 USD | In stock |
| Model: 125L/3300 80A | 11.25 USD | In stock |
| Model: 125L/3300 100A | 11.25 USD | In stock |
| Model: 125L/3300 125A | 11.25 USD | In stock |
| Model: BEYM1 250L/3300 100A | 19.94 USD | In stock |
| Model: 250L/3300 125A | 19.94 USD | In stock |
| Model: 250L/3300 160A | 19.94 USD | In stock |
| Model: 250L/3300 180A | 19.94 USD | In stock |
| Model: 250L/3300 200A | 19.94 USD | In stock |
| Model: 250L/3300 225A | 19.94 USD | In stock |
| Model: 250L/3300 250A | 20.65 USD | In stock |
| Model: BEYM1 400L/3300 225A | 50.80 USD | In stock |
| Model: 400L/3300 250A | 50.80 USD | In stock |
| Model: 400L/3300 315A | 50.80 USD | In stock |
| Model: 400L/3300 350A | 50.80 USD | In stock |
| Model: 400L/3300 400A | 50.80 USD | In stock |
| Model: BEYM1 630L/3300 400A | 81.03 USD | In stock |
| Model: 630L/3300 500A | 81.03 USD | In stock |
| Model: 630L/3300 630A | 81.03 USD | In stock |

## Images

- Molded case circuit breakers, 1P, 2P, 3P, 4P air switches, three-phase circuit breakers, air switches support
- Molded case circuit breakers, 1P, 2P, 3P, 4P air switches, three-phase circuit breakers, air switches support
- Molded case circuit breakers, 1P, 2P, 3P, 4P air switches, three-phase circuit breakers, air switches support

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