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Suitable for indoor use.
The Live CB216C Double Pole MCB is a robust miniature circuit breaker designed to provide comprehensive protection for demanding single-phase circuits requiring simultaneous switching of both phase and neutral conductors while handling significant inrush currents. Rated at 16 Amps with a C-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 C-curve characteristic (5-10x In) provides excellent protection for circuits with substantial inductive loads while accommodating the inrush currents typical of pumps, compressors, and commercial equipment. With its robust construction and precision thermo-magnetic release, the CB216C ensures complete circuit isolation and equipment protection for applications requiring double pole switching with significant inductive load tolerance.
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.
C-Curve Characteristic: Trips instantaneously at 5-10 times rated current (80A to 160A), specifically calibrated for circuits with substantial inductive loads and significant inrush.
High-Capacity 16A Protection with Inductive Tolerance: Ideal for pumps (up to 2HP), small compressors, commercial refrigeration, and ventilation systems.
Complete Isolation: Neutral pole disconnects simultaneously with phase, preventing floating neutral conditions and ensuring safety during maintenance.
Inductive Load Capability: Handles significant inrush currents from motor-driven equipment without nuisance tripping.
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 | CB216C |
| Device Type | Miniature Circuit Breaker (MCB) |
| Pole Configuration | 2 Pole (2P) - Switches Phase + Neutral |
| Current Rating (In) | 16 Amperes |
| Trip Curve Type | C Curve (5-10 × 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 16A C-Curve double pole MCB?
Single-phase pumps up to 2HP (1.5kW), small air compressors, commercial refrigeration units, ventilation fans, conveyor sections, and machine tool auxiliary drives requiring neutral switching.
2. Can this 16A C-Curve breaker handle a 1.5kW pump motor?
Yes, it's ideal for 1.5kW pumps. The C-Curve tolerates motor starting currents up to 120-140A while the 16A rating provides excellent running protection without nuisance tripping.
3. Why choose double pole for pump and compressor circuits?
Double pole provides complete isolation of both phase and neutral, essential for safe maintenance of pumps and compressors where standing water or condensation may create additional shock risks.
4. What is the advantage of C-Curve over B-Curve for 16A motor circuits?
C-Curve (5-10x In) handles starting currents up to 160A where B-Curve (3-5x In) would trip at 80A, making C-Curve essential for motor-driven equipment with high inrush.
5. What cable size is recommended for 16A C-Curve motor circuits?
2.5mm² copper conductor minimum. 4mm² recommended for longer runs to minimize voltage drop during motor starting. Terminals accept up to 16mm². Both phase and neutral must be same size.
