Eaton PL7-C4/1-DC Miniature Circuit Breaker, 4A, 1-Pole, 10kA, DC

The Eaton PL7-C4/1-DC is a high-performance miniature circuit breaker engineered specifically for direct current (DC) electrical systems. This 1-pole device is designed to provide robust protection against overcurrent and short-circuit conditions, ensuring the integrity and safety of sensitive electrical installations. With a rated current of 4A and a high breaking capacity of 10kA, it serves as a reliable component for maintaining operational stability in various power distribution environments.

Advantages

This circuit breaker offers exceptional reliability due to its specialized design for DC applications, which often present unique challenges compared to AC systems. The high breaking capacity ensures that the device can safely interrupt significant fault currents, thereby protecting downstream equipment from potential damage. Its compact 1-pole construction allows for efficient use of space within electrical enclosures, while the high-quality manufacturing standards associated with the Eaton brand guarantee long-term durability and consistent performance under demanding conditions.

Suitable for

• Industrial DC power distribution systems
• Commercial photovoltaic and renewable energy installations
• DC control circuits and automation equipment
• Battery storage and backup power systems

This device is not suitable for alternating current (AC) circuits, as its internal arc-extinguishing mechanism is specifically optimized for the characteristics of direct current. It should also not be used in applications where the operating current exceeds the 4A rating or where the system voltage exceeds the manufacturer's specified limits for this model.

Key specifications

• Rated current: 4A
• Number of poles: 1
• Breaking capacity: 10kA
• Application type: Direct Current (DC)
• Mounting type: DIN rail

Installation should be performed by a qualified electrician in accordance with local electrical codes. The circuit breaker is designed for mounting on a standard DIN rail within a distribution board or enclosure. Ensure that the supply cables are correctly sized for the 4A load and that all terminal connections are tightened to the specified torque to prevent overheating during operation.

What to consider before purchase

• Verify that your system operates on DC voltage
• Ensure the 4A rating matches your circuit requirements
• Check available space on the DIN rail
• Confirm compatibility with existing DC protection schemes

For optimal performance and safety, regularly inspect the circuit breaker for signs of physical damage or discoloration. Periodically test the device functionality according to your facility's maintenance schedule to ensure it remains responsive to potential overcurrent events.