CJD-30-1P – DC Electrical Breaker 40A Black 1 Pole

The CJD-30-1P – DC Electrical Breaker 40A Black 1 Pole is a premium-quality marine DC circuit breaker designed for reliable overload and short-circuit protection in boats, yachts, marine electrical systems, and low-voltage DC applications. Engineered for durability and dependable performance, this 40A single pole DC breaker helps protect onboard wiring, batteries, pumps, inverters, lighting systems, and sensitive marine electronics from electrical faults and power surges.

This marine electrical breaker 40A black 1 pole is ideal for professional marine power distribution systems where safety, stability, and long-term performance are essential.

Product Specifications

• Model: CJD-30-1P
• Current Rating (In): 40A
• Rated Voltage (Ue): DC80V
• Breaking Capacity (Icn): 2000A
• Pole Configuration: 1 Pole
• Color: Black

The CJD-30-1P 40A DC breaker is specifically designed for DC electrical systems requiring fast and reliable circuit interruption.

Reliable Marine Electrical Protection

The 40A DC electrical breaker CJD-30-1P automatically disconnects the electrical circuit during overloads or short circuits. This helps prevent overheating, cable damage, battery failures, and expensive equipment damage onboard.

This marine DC breaker 40A 1 pole is suitable for:

✔ Marine electrical distribution panels
✔ Yacht and boat DC systems
✔ Battery charging systems
✔ Marine lighting circuits
✔ Navigation electronics
✔ Bilge pumps and marine accessories
✔ Solar DC systems
✔ Inverter and auxiliary power systems

Using a reliable marine circuit breaker 40A DC improves electrical safety and ensures stable onboard power management.

Durable Marine-Grade Construction

The DC electrical breaker 40A black 1 pole is manufactured using high-quality marine-grade materials designed to withstand harsh marine conditions such as:

• Saltwater humidity
• Continuous vibration
• Heat and temperature fluctuations
• Offshore operating environments

Its strong insulated housing and corrosion-resistant terminals ensure dependable long-term performance in demanding marine applications.

High Breaking Capacity – Enhanced Safety

Key Features Include:

✔ 40A overload protection
✔ DC80V rated voltage
✔ 2000A breaking capacity
✔ Single pole configuration
✔ Fast trip response
✔ Easy reset operation

Unlike traditional fuse systems, the 40A marine DC breaker can be reset after tripping, reducing downtime and maintenance costs.

Compact Design & Easy Installation

The single pole DC breaker 40A is designed for easy panel mounting and seamless integration into marine electrical systems. Its compact design makes it suitable for installations where space is limited.

Applications include:

• Boat electrical panels
• Marine switchboards
• RV and camper DC systems
• Solar power installations
• Battery protection circuits

A properly installed marine electrical protection breaker ensures safe and efficient onboard electrical operation.