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Schneider Electric C65H-DCC10A Multi9 C65H DC Miniature Circuit Breaker

The Schneider Electric C65H-DCC10A, also cataloged as the C65H-DCC10A Miniature Circuit Breaker, operates as a dedicated hardware component for overcurrent protection within Multi9 C65H DC platform networks. Configured for direct current electrical execution, this 2-pole device intercepts overload and short-circuit faults to safeguard downstream components.

Hardware Specifications

Parameter Specification
Model C65H-DCC10A
Brand Schneider Electric
Origin France
Weight 0.25 kg
Dimensions Standard MCB size (18 mm per pole width)
Operating Temp -25...60 deg C
Power Consumption Passive magnetic-thermal execution (0 W internal logic draw)
Number of Poles 2P
Rated Current 10 A
Tripping Curve D-curve
Breaking Capacity 10 kA DC
Rated Voltage Up to 220 V DC
Connection Type Screw clamp terminals
Wire Size 1.5...25 mm2
Mounting 35 mm DIN rail
Compliance IEC 60947-2

Overcurrent Protection and Deterministic Network Isolation

The electrical execution of the C65H-DCC10A utilizes a 2-pole configuration to break both polarity paths of the direct current loop simultaneously. The built-in D-curve tripping characteristic permits high transient inrush current spikes without initiating nuisance tripping cycles. Because this isolation mechanism is entirely mechanical and thermal, it achieves fault clearance independent of backplane bus communication velocity or active control processor states, preventing inductive fault energy from feeding back into adjacent deterministic network devices.

Frequently Asked Questions

Q: How does the D-curve tripping threshold differ from a standard C-curve in DC applications?

A: The D-curve profile is engineered for higher magnetic tripping thresholds to tolerate magnetic inrush currents from inductive field loads, preventing premature circuit interruption during motor startup sequences.

Q: Is this DC circuit breaker restricted to specific wire types for field termination?

A: The screw clamp terminals accommodate both solid and stranded copper conductors within the 1.5...25 mm2 range, provided standard industrial terminal preparation guidelines are followed.

Field Installation Guidelines

  • Secure the circuit breaker chassis onto a standard 35 mm symmetrical DIN rail inside a protective industrial enclosure.
  • Observe the directional polarity markings molded onto the device frame to ensure proper arc-chute operation during high-current interruption events.
  • Tighten the integrated screw clamp terminals using calibrated hand tools to maintain constant tension over the 1.5...25 mm2 field wiring.
  • Maintain physical clearance from adjacent high-heat dissipation sources inside the panel enclosure to prevent shifts in the thermal trip calibration curve.

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