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Schneider Electric C65H-DCC6A Multi9 C65 Miniature Circuit Breaker

The Schneider Electric C65H-DCC6A, also cataloged as the C65H-DCC6A Miniature Circuit Breaker, operates as a dedicated hardware component for overload and short-circuit protection within Multi9 C65 platform networks. Configured for direct current electrical execution, the device manages mechanical magnetic-thermal trip actions to interrupt fault currents and extinguish directional DC arcs across multi-pole terminal connections.

Hardware Specifications

Parameter Specification
Model C65H-DCC6A
Brand Schneider Electric
Origin France
Weight 0.25 kg
Dimensions 36 x 84 x 73.5 mm
Operating Temp -25...60 deg C
Power Consumption Passive protection element (0 W internal logic draw)
Number of Poles 2P
Rated Current 6 A
Tripping Curve C-Curve / D-Curve characteristic
Breaking Capacity 10 kA at 250 V DC / 500 V DC
Rated Insulation Voltage 500 V DC
Mechanical Life 20,000 Cycles
Electrical Life 10,000 Cycles
Terminal Type Tunnel / screw clamp terminals (1.5...25 mm2)
Mounting Standard 35 mm DIN rail

Overcurrent Protection and Deterministic Network Isolation

The electrical configuration of the C65H-DCC6A utilizes a dual-pole sequence to break both positive and negative legs of a direct current bus, maintaining galvanic isolation during fault states. The thermal-magnetic elements respond rapidly to short-circuit dynamics without depending on backplane bus communication velocity or external power. This physical tripping mechanism prevents destructive inductive energy from migrating back into upstream control logic systems or disrupting communication interfaces tied to adjacent field networks.

Frequently Asked Questions

Q: Does the DC circuit breaker require specific polarity tracking when connecting incoming field conductors?

A: Yes, direct current miniature circuit breakers feature dedicated polarity markings (+/-) on the housing layout; conductors must align exactly with these physical indicators to allow the internal arc-chute magnets to extinguish electrical arcs properly.

Q: Can this 2-pole module be utilized to clear alternating current (AC) circuit faults?

A: No, the C65H-DCC6A utilizes specialized internal permanent magnets optimized strictly for driving DC arcs into the cooling grids; application on AC circuits will prevent correct arc suppression and damage the hardware.

Field Installation Guidelines

  • Clip the hardware assembly directly onto a standard 35 mm symmetrical DIN rail within a sealed enclosure to ensure mechanical stability.
  • Verify conductor cross-sections match the specified 1.5...25 mm2 range before terminating into the integrated tunnel clamps.
  • Tighten all terminal screws to the manufacturer-specified torque limits to reduce contact resistance and mitigate localized thermal buildup under 6 A full-load continuous operations.
  • Observe clear physical separation from high-frequency noise sources to maintain structural integrity of adjacent signal wiring runs.

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