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Installation must be carried out by a qualified electrician.
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Suitable for indoor use.
The Live CH180C Single Pole MCB is a high-capacity miniature circuit breaker designed to provide reliable protection for high-power single-phase electrical circuits in industrial and commercial applications. Rated at 80 Amps with a C-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency. It features a 6kA breaking capacity, making it suitable for standard industrial and commercial installations. The C-curve characteristic (5-10x In) provides excellent protection for circuits with significant inductive loads while accommodating the inrush currents typical of large industrial equipment. With its robust construction and precision thermo-magnetic release, the CH180C ensures equipment protection and operational safety for demanding high-power applications requiring current ratings above the standard 63A range.
High-Capacity Single Pole Protection: Protects one phase conductor for high-power single-phase 230V circuits up to 80A.
6kA Breaking Capacity: Reliable fault current interruption for standard industrial and commercial installations.
C-Curve Characteristic: Trips instantaneously at 5-10 times rated current (400A to 800A), specifically calibrated for high-power circuits with significant inductive loads.
High-Capacity 80A Protection: Ideal for main distribution feeders, large industrial equipment, high-power commercial installations, and heavy-duty applications exceeding standard MCB ratings.
Extended Current Range: Provides protection for applications requiring 80A capacity, beyond the standard 63A maximum of conventional MCBs.
Precision Thermo-Magnetic Release: Thermal bimetal strip for accurate overload protection and magnetic solenoid for instantaneous short-circuit response.
Superior Electrical Isolation: 4000V impulse withstand rating and 500V insulation voltage for protection against voltage transients.
Extended Operational Life: 8,000 electrical operations for long-term reliability.
Professional Installation: Standard 35mm DIN-rail mounting with IP20 finger-safe terminals.
| Specification | Details |
|---|---|
| Brand | Live |
| Series | CH |
| Model Number | CH180C |
| Device Type | Miniature Circuit Breaker (MCB) |
| Pole Configuration | 1 Pole (1P) |
| Current Rating (In) | 80 Amperes |
| Trip Curve Type | C Curve (5-10 × In) |
| Operational Voltage | 230/400V AC |
| Rated Breaking Capacity | 6kA (6000 Amps) |
| Frequency Range | 50/60 Hertz |
| Insulation Rating (Ui) | 500 Volts |
| Impulse Withstand (Uimp) | 4000 Volts (1.2/50 µs) |
| Dielectric Test Voltage | 2kV for 60 seconds |
| Protection Mechanism | Thermo-magnetic |
| Operating Temperature | -5°C to +40°C (daily average ≤35°C) |
| Calibration Reference | 30°C |
| Storage Temperature | -25°C to +70°C |
| Electrical Lifespan | 8,000 cycles |
| Protection Class | IP20 |
| Terminal Capacity | 25 mm² (suitable for 80A) |
| Mounting Type | DIN Rail (35mm) |
| Standards | BS IEC/EN 60898 |
1. What specific applications require an 80A single pole MCB with C-Curve?
Main distribution feeders for large commercial units, high-power industrial equipment, large welding machines (up to 18kW), heavy-duty industrial heaters, and sub-main distribution boards requiring current capacity above standard 63A MCBs.
2. What is the power capacity of this 80A single pole breaker?
Maximum resistive load: 18.4kW at 230V. Continuous load (80% rule): 14.7kW. Suitable for high-power industrial and commercial applications requiring substantial single-phase supply beyond standard MCB ratings.
3. Can this breaker be used as a main switch for a large industrial workshop?
Yes, it's ideal as a main isolation switch for large workshops, industrial facilities, and commercial units requiring up to 18.4kW single-phase supply where standard 63A MCBs are insufficient.
4. Why choose an 80A MCB over a 63A MCB for high-power applications?
Provides essential additional capacity for applications with continuous high loads near 63A or where starting currents may approach the limit, ensuring reliable operation without nuisance tripping and providing safety margin.
5. What cable size is required for 80A circuits?
16mm² copper conductor minimum. 25mm² strongly recommended for longer runs, higher ambient temperatures, and to minimize voltage drop. Ensure terminals are rated for appropriate cable size.
