Schneider Electric C65H-DC DC Miniature Circuit Breaker

Product Description

Configured for DC overload and short-circuit protection in low-voltage distribution circuits, the Schneider Electric C65H-DC (C65H-DC DC Miniature Circuit Breaker) provides direct thermal-magnetic circuit interruption and isolation. The device uses a 2P configuration, supports 250 V DC operation, and provides a 10 kA ultimate breaking capacity.

Hardware Specifications

DC Thermal-Magnetic Protection Characteristics

The C65H-DC uses thermal and magnetic trip functions for DC circuit protection. The thermal element responds to sustained overload current, while the magnetic element responds to high fault current. The specified C Curve magnetic trip characteristic is 8.5 x In +/- 20%.

The 2P configuration provides two protected poles. The rated operational voltage is 250 V DC, while the specified ultimate breaking capacity is 10 kA at 250 V DC. The service breaking capacity is 7.5 kA, corresponding to 75% of the specified ultimate breaking capacity.

The device accepts conductors from 1 mm2 to 25 mm2 through tunnel terminals. Therefore, installers should select conductor size and protection settings according to the connected DC circuit and applicable installation standards.

Frequently Asked Questions

Q: What DC voltage is specified for the C65H-DC?

A: The rated operational voltage is 250 V DC.

Q: What fault current can the C65H-DC interrupt?

A: The specified ultimate breaking capacity is 10 kA at 250 V DC. The service breaking capacity is 7.5 kA at 250 V DC.

Q: How is the C65H-DC mounted?

A: The circuit breaker uses DIN rail mounting. Its specified dimensions are 84 mm x 36 mm x 73.5 mm.

Field Installation Guidelines

Install the C65H-DC on a compatible DIN rail and maintain adequate clearance for terminal access and operating movement. Verify the DC circuit voltage, current rating, polarity, and prospective fault current before energization.

Use conductors within the specified 1 mm2 to 25 mm2 terminal range. Tighten the power-circuit terminals to the specified 2.5 N m torque. Route DC power conductors separately from sensitive signal wiring where practical to reduce electrical interference.

Before commissioning, verify that the selected current rating matches the protected circuit and that the installation complies with IEC 60947-2, GB 14048.2, and applicable local electrical requirements. Confirm correct mechanical operation and secure terminal connections before applying DC power.

Other Attributes

• Series：Modicon Quantum 
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items 

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We offer a standard one-year warranty for all new and original items.

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