MCB 2P 500V 32A DC Circuit Breaker – IP65 Waterproof Box

MCB 2P DC 500V 32A Circuit Breaker with IP65 Waterproof Distribution Box

Protect your solar power system with confidence. This 2-Pole DC Miniature Circuit Breaker (MCB) delivers reliable disconnection and overload protection at up to 500V / 32A, housed in a rugged IP65-rated waterproof enclosure. Whether you're setting up a grid-tied photovoltaic system, an off-grid solar array, or powering an RV, this combiner box offers a fast, safe, and plug-and-play installation experience.

Key Features

• Comprehensive Circuit Protection: Built-in overvoltage, overload, and surge protection helps extend the working life of your solar or DC electrical system.
• IP65 Waterproof Enclosure: Suitable for both indoor and outdoor installation — fully protected against dust ingress and low-pressure water jets, even in harsh weather.
• Transparent Cover: A clear inspection window lets you quickly check the circuit breaker status without opening the box.
• Replaceable 32A Disconnect: The MCB cartridge is replaceable, making long-term maintenance easy and cost-effective.
• Wide Application: Designed for photovoltaic solar panel grid-connected systems, solar off-grid systems, household DC circuits, RVs, and more.
• Easy Plug-and-Play Install: Mounts between the solar panel and solar inverter for a quick, secure connection.

Specifications

What's in the Box

Option A:

• 1 × Circuit Breaker
• 1 × User Manual

Option B:

• 1 × Circuit Breaker
• 4 × MC4 Connectors (2 Male + 2 Female)
• 4 × Core
• 4 × Screw
• 4 × Wall Plug
• 1 × PV Wrench
• 1 × User Manual

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Frequently Asked Questions

Q: What is this MCB circuit breaker compatible with?

A: This 2P DC 500V 32A circuit breaker is compatible with photovoltaic solar panel grid-connected systems, solar off-grid systems, solar power generation systems, RVs, and general household DC electrical setups. It is installed between the solar panel and the solar inverter.

Q: Is the IP65 waterproof distribution box suitable for outdoor use?

A: Yes. The IP65-rated enclosure provides full protection against dust and resistance to low-pressure water jets, making it suitable for both indoor and outdoor installation, even in challenging weather conditions.

Q: Can the circuit breaker cartridge be replaced if needed?

A: Yes. The 32A disconnect MCB cartridge is designed to be replaceable, making it easy to service or upgrade without replacing the entire distribution box assembly.

Q: What cable size is supported by the distribution box?

A: The distribution box supports cable inlet and output glands of M20 6mm × 2, suitable for standard photovoltaic solar system wiring.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.