Technical Parameters
General
Product Type: Miniature Circuit Breaker (MCB)
Model: S202M‑C6DC
Series: System pro M compact S200MDC
Number of Poles: 2 (two‑pole configuration)
Trip Curve / Characteristic: Type C (thermal‑magnetic)
Mounting: DIN‑rail (IEC 60715 TH35)
Actuator: Toggle ON/OFF indicator
Electrical Ratings
Rated Current (In): 6 A
Rated Operational Voltage (DC): 440 V DC (nominal DC applications)
Rated Insulation Voltage (Ui): 440 V
Rated Impulse Withstand Voltage (Uimp): 4 kV
Rated Short‑Circuit Breaking Capacity (Icu): 10 kA at rated DC voltage
Input Voltage Type: DC (direct current)
Trip Mechanism: Thermal element for overload and magnetic element for short‑circuit protection
Connection & Wiring
Terminal Type: Screw‑type connections
Connectable Conductor Size: Typical industrial range (e.g., up to ~25 mm² flexible with ferrules; up to ~35 mm² rigid)
Tightening Torque: Standard torque recommended for MCB terminals
Mechanical & Durability
Mechanical Endurance: High lifecycle suitable for frequent switching
Electrical Endurance: Designed for repeated DC fault interruption
Contact Position Indication: Visible ON/OFF status
Physical & Dimensions
Modular Width: 2 units (2P width)
Approx. Depth / Length: Standard S200MDC footprint
Approx. Height: Typical panel‑mount MCB height
Net Weight: Lightweight for modular DIN‑rail systems
Environmental
Operating Temperature Range: Typical industrial ambient conditions
Protection Rating:
Terminals: IP20
Panel Mounted Front: Typical panel can provide higher IP rating
Pollution Degree: Suitable for industrial environments
Standards & Compliance
Designed to meet IEC/EN 60898‑2 and IEC/EN 60947‑2 circuit breaker standards for miniature breakers and DC applications.
Applications
DC power distribution protection
Battery‑based systems and UPS/DC buses
Industrial control and automation DC circuits
Renewable energy (e.g., PV/solar DC circuits, DP systems)
Protection for DC motor circuits and control loads
The ABB S202M‑C6DC is a 2‑pole miniature circuit breaker (MCB) from the ABB System pro M compact S200MDC range, specifically designed for DC electrical protection applications. It provides reliable overload and short‑circuit protection in DC power distribution systems and industrial control circuits. The breaker features a Type C thermal‑magnetic trip characteristic, suitable for circuits with moderate inrush currents, and is engineered for high breaking capacity up to 10 kA at its rated DC voltage. With a compact design for DIN‑rail mounting, clear ON/OFF indication, and robust terminal connections, the S202M‑C6DC is suitable for protective and switching roles in industrial equipment, renewable energy systems, battery‑powered systems, and other DC‑based installations.