C65H-DC (IEC60947-2/GB14048.2) | Schneider | Miniature Circuit Breaker

Overview

The Schneider C65H-DC (IEC60947-2/GB14048.2) is a high-performance miniature circuit breaker specifically designed for DC circuit protection. Engineered for safety and reliability, it provides thermal-magnetic protection against overloads and short circuits, ensuring consistent performance in demanding electrical systems.

This model complies with IEC 60947-2 and GB14048.2 international standards, offering a breaking capacity of 10kA and supporting rated currents from 6A to 63A. With its compact 2-pole design, the C65H-DC is ideal for use in DC distribution networks, renewable energy installations, and control systems where precision and durability are essential.

Key Features

• Model Number: C65H-DC

• Manufacturer: Schneider Electric

• Type: DC Miniature Circuit Breaker

• Rated Voltage: 250V DC

• Rated Current Range: 6A–63A

• Breaking Capacity: 10kA

• Tripping Curve: C Curve (thermal-magnetic type)

• Number of Poles: 2P

• Protection Method: Thermal and magnetic trip

• Compliance: IEC 60947-2, GB14048.2

Technical Specifications

• Operating Temperature: -25°C to +70°C

• Storage Temperature: -40°C to +85°C

• Humidity Resistance: 95% RH at 55°C

• Dimensions: 84 mm (H) × 36 mm (W) × 73.5 mm (D)

• Net Weight: 220 g

• Mechanical Life: 20,000 operations

• Electrical Life: 10,000 operations

• Connection Type: Tunnel terminal (1–25 mm² conductor)

• Tightening Torque: 2.5 N·m

• Ingress Protection: IP20

Applications

The C65H-DC circuit breaker is widely used in DC systems requiring high reliability and fast fault interruption.

• Solar and Photovoltaic Systems: Protects DC power circuits and battery banks

• Industrial Automation: Ensures stable operation of DC control panels

• Railway and Transportation: Provides safety in DC traction and auxiliary systems

• Telecom Power Supply Units: Safeguards power distribution boards and rectifier systems

• Battery Energy Storage: Prevents short-circuit and overload conditions in DC power modules

FAQ

Q1: What voltage does the C65H-DC support?
A1: It supports up to 250V DC rated operational voltage.

Q2: What is the breaking capacity of this model?
A2: The breaker provides a 10kA breaking capacity for high-fault applications.

Q3: Can it be used in solar PV systems?
A3: Yes, it is ideal for DC protection in photovoltaic and battery-based systems.

Q4: What standard does it comply with?
A4: It conforms to both IEC 60947-2 and GB14048.2 standards.

Q5: How many poles does it have?
A5: It is a 2-pole DC miniature circuit breaker.