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Installation must be carried out by a qualified electrician.
Ensure power is switched off before installation.
Suitable for indoor use.
The Live CB210B Double Pole MCB is a versatile miniature circuit breaker designed to provide comprehensive protection for single-phase circuits requiring simultaneous switching of both phase and neutral conductors. Rated at 10 Amps with a B-curve tripping characteristic, this 2-pole breaker safeguards both the phase and neutral conductors on AC systems up to 230/400V at 50/60Hz frequency. It features a powerful 10kA breaking capacity, making it suitable for installations with higher prospective short-circuit currents. The B-curve characteristic (3-5x In) provides fast response to faults while accommodating the minimal inrush currents typical of general purpose circuits. With its robust construction and precision thermo-magnetic release, the CB210B ensures complete circuit isolation and equipment protection for residential, commercial, and industrial applications requiring double pole switching.
Complete Double Pole Protection: Simultaneously protects and switches both phase and neutral conductors, ensuring complete circuit isolation during fault conditions and maintenance.
High 10kA Breaking Capacity: Powerful fault current interruption for installations with high prospective short-circuit currents up to 10,000 amps.
B-Curve Characteristic: Trips instantaneously at 3-5 times rated current (30A to 50A), specifically calibrated for general purpose circuits with minimal inrush.
Versatile 10A Protection: Ideal for general lighting circuits, socket outlets, small appliances, and general purpose residential and commercial circuits.
Complete Isolation: Neutral pole disconnects simultaneously with phase, preventing floating neutral conditions and ensuring safety during maintenance.
Wide Application Range: Suitable for residential, commercial, and light industrial installations requiring double pole protection.
Precision Thermo-Magnetic Release: Thermal bimetal strip for accurate overload protection and magnetic solenoid for instantaneous short-circuit response on both poles.
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 and 16mm² wiring capacity.
| Specification | Details |
|---|---|
| Brand | Live |
| Series | CB |
| Model Number | CB210B |
| Device Type | Miniature Circuit Breaker (MCB) |
| Pole Configuration | 2 Pole (2P) - Switches Phase + Neutral |
| Current Rating (In) | 10 Amperes |
| Trip Curve Type | B Curve (3-5 × In) |
| Operational Voltage | 230/400V AC |
| Rated Breaking Capacity | 10kA (10000 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 (both poles) |
| Neutral Pole Protection | Fully protected and switched |
| 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 | Up to 16 mm² |
| Mounting Type | DIN Rail (35mm) |
| Standards | BS IEC/EN 60898 |
1. What specific applications require a 10A double pole MCB with B-Curve?
General lighting circuits in commercial buildings, socket outlets in residential bedrooms, small appliance circuits, bathroom lighting requiring isolation, and circuits where complete neutral disconnection is mandated by local codes.
2. Why choose double pole over single pole for 10A residential circuits?
Double pole provides complete isolation of both phase and neutral, essential for circuits in wet locations (bathrooms, kitchens), for equipment requiring total disconnection, and compliance with increasingly strict electrical regulations.
3. What is the power capacity of this 10A double pole breaker?
Maximum resistive load: 2.3kW at 230V. Continuous load (80% rule): 1.84kW. Suitable for approximately 60-70 LED downlights (30W each) or multiple socket outlets in a typical room.
4. Can this breaker be used for kitchen small appliance circuits?
Yes, it's ideal for kitchen counter circuits where double pole isolation may be required, protecting both phase and neutral for appliances like toasters, kettles, and coffee makers.
5. What cable size is recommended for 10A double pole circuits?
1.5mm² copper conductor minimum. 2.5mm² recommended for socket outlet circuits and mechanical robustness. Terminals accept up to 16mm². Both phase and neutral conductors must be same size.
