The Schneider Electric Acti9 / C65H‑DC Series DC Miniature Circuit Breaker is a compact, DIN‑rail mountable single‑pole DC protective device designed to provide overload and short‑circuit protection in direct current (DC) circuits.
Specifications
Parameter Specification
Brand Schneider Electric
Series Acti9 / C65H‑DC / iC65H DC
Product Type Miniature Circuit Breaker (MCB) for DC
Poles 1P (single pole)
Rated Current 3 A (B3A — B‑curve, 3 A)
Trip Curve / Characteristic B‑curve (thermal‑magnetic) — trips at ~3–5 × In
Rated Operational Voltage (Ue) ~125 V DC for 1P models
Breaking Capacity (Icu) 10 kA at 125 V DC (typical DC rating)
Rated Insulation Voltage (Ui) 500 V DC (1‑pole)
Rated Impulse Withstand Voltage (Uimp) 6 kV (IEC)
Utilization Category DC circuit protection
Mounting DIN‑rail (35 mm)
Terminal Type Screw terminals
Wire Size up to ~25 mm² conductor (varies by specific accessory)
Standards Compliance IEC/EN 60947‑2 (DC compliant)
Mechanical Life ~20,000 operations (typical)
Electrical Life ~10,000 operations at rated current
Operating Temperature Range ~‑30 °C to +70 °C
Protection Degree IP20 (terminals), IP40 (installed enclosure)