The WATSN200/4A is a 4-pole 200A molded case circuit breaker designed for overcurrent and short-circuit protection in low-voltage distribution systems. Featuring a fixed mounting design and thermal‑magnetic trip unit, it is suitable for industrial, commercial, and infrastructure applications where reliable circuit protection is required.
Specifications
Parameter Specification
Model WATSN200/4A
Rated Current (In) 200 A
Poles 4P (3 phases + neutral)
Rated Operational Voltage (Ue) 400 V AC 50/60 Hz
Rated Insulation Voltage (Ui) 690 V AC
Breaking Capacity (Icu) 25 kA at 415 V AC
Trip Unit Type Thermal‑magnetic
Mounting Fixed type
Terminal Connection Front cable connection (top/bottom)
Connection Capacity 50–120 mm² (copper cable)
Ambient Temperature Range –25 °C to +70 °C
Mechanical Life 10,000 operations
Standards IEC 60947‑2, GB 14048.2
Protection Functions Overload (L), short‑circuit (I)
Primary Applications
Main and sub‑distribution switchboards
Industrial power distribution panels
Commercial building electrical systems
Motor feeder and generator protection circuits