Screw Terminal Connections:
The screw-type terminals provide secure and reliable connections for wires, which are suitable for a wide range of wire gauges (from 1–35 mm² rigid and 1–25 mm² flexible). This ensures that the breaker can be easily integrated into a variety of electrical installations.
Versatile Use:
The 3P 63A Circuit Breaker is widely used in:
Residential Electrical Systems: Protection for three-phase appliances, lighting circuits, and major household electrical systems.
Commercial Installations: Ensures safety in retail spaces, offices, and public buildings where three-phase power is used.
Industrial Applications: Ideal for motor control centers (MCCs), HVAC systems, and heavy machinery in factories, warehouses, and industrial plants.
Renewable Energy Systems: Can be used in solar power systems, wind energy installations, and other renewable energy systems where reliable circuit protection is critical.
Compact and Space-Efficient:
Its slim profile and compact design (52.5mm in width) allow for efficient use of panel space, which is critical in installations where space is limited or in environments requiring multiple circuit breakers within a small area.
Ease of Maintenance:
The modular design and easily accessible components allow for quick replacements or servicing, reducing downtime in commercial or industrial settings.
Safety Features:
The IP20 protection rating ensures that the breaker offers protection against accidental contact with live parts, while its high insulation properties safeguard both the electrical equipment and operators from electrical shocks.
Industrial Power Distribution: Protects power distribution systems in factories, plants, and industrial machines from electrical faults.
Renewable Energy Installations: Ideal for use in solar power systems, wind farms, or other renewable energy generation setups to protect against power surges and overloads.
| Feature |
Specification |
| Model |
MC363A / MCN363A |
| Number of Poles |
3 (Three-phase) |
| Rated Current (In) |
63A |
| Rated Operational Voltage (Ue) |
230/400V AC (Three-phase) |
| Rated Short-Circuit Breaking Capacity (Icn) |
6 kA (IEC 60898-1) |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) |
10 kA (IEC 60947-2) |
| Rated Insulation Voltage (Ui) |
500V |
| Rated Impulse Withstand Voltage (Uimp) |
4000V |
| Thermal Tripping Range (AC) |
1.13 to 1.45 times In |
| Magnetic Tripping Range |
5 to 10 times In |
| Frequency |
50/60 Hz |
| Power Loss at In |
18.3 W (Total), 6.4 W per pole |
| Mechanical Endurance |
20,000 operations |
| Electrical Endurance |
4,000 operations |
| Mounting Type |
DIN rail |
| Connection Type |
Screw terminals |
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