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Suitable for indoor use.
The Live CB106D Single Pole MCB is a specialized high-performance miniature circuit breaker engineered to provide reliable protection for single-phase circuits with extremely high inrush currents. Rated at 6 Amps with a D-curve tripping characteristic, this 1-pole breaker safeguards the phase conductor on AC systems up to 230V at 50/60Hz frequency. It features an enhanced 10kA breaking capacity, making it suitable for installations with higher prospective short-circuit currents. The D-curve characteristic (10-20x In) is specifically designed for applications with very high momentary startup currents, ensuring the breaker tolerates these surges while maintaining full protection against overloads and short circuits. With its robust construction and precision thermo-magnetic release, the CB106D ensures equipment protection and operational safety for specialized applications.
High 10kA Breaking Capacity: Enhanced fault current interruption capability for installations with higher prospective short-circuit currents.
D-Curve Characteristic: Trips instantaneously at 10-20 times rated current (60A to 120A), specifically designed for applications with extremely high inrush currents.
Precision Low-Current Protection with High Surge Tolerance: 6A rating perfect for small transformers, specialty lighting, and equipment with high startup currents.
Single Pole Configuration: Protects one phase conductor, standard for single-phase 230V circuits.
Specialized Application Focus: Ideal for circuits where standard B/C curves would nuisance trip due to high inrush.
Precision Thermo-Magnetic Release: Thermal bimetal strip for overload protection and magnetic solenoid for short-circuit response.
Superior Electrical Isolation: 4000V impulse withstand rating and 500V insulation voltage.
Extended Operational Life: 8,000 electrical operations for long-term reliability.
Professional Installation: DIN-rail mounting with IP20 finger-safe terminals and 16mm² wiring capacity.
| Specification | Details |
|---|---|
| Brand | Live |
| Model Number | CB106D |
| Device Type | Miniature Circuit Breaker (MCB) |
| Pole Configuration | 1 Pole (1P) |
| Current Rating (In) | 6 Amperes |
| Trip Curve Type | D Curve (10-20 × 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 |
| Operating Temperature | -5°C to +40°C |
| Calibration Reference | 30°C |
| Electrical Lifespan | 8,000 cycles |
| Protection Class | IP20 |
| Terminal Capacity | Up to 16 mm² |
| Mounting Type | DIN Rail (35mm) |
| Standard | IEC 60898-1 |
1. What are the main applications for the CB106D 6A 1P MCB?
Small control transformers, solenoid valves, X-ray equipment, small motors with high starting current, specialty lighting (discharge lamps), and circuits where extremely high inrush currents occur.
2. What is the difference between D-Curve and standard C-Curve?
D-Curve (10-20x In) tolerates much higher inrush currents than C-Curve (5-10x In), making it suitable for equipment with extreme startup surges that would trip standard breakers.
3. Why choose 10kA breaking capacity for specialized applications?
Provides enhanced protection in installations with higher prospective short-circuit currents, essential for industrial panels and locations near main distribution points.
4. What transformer size can this 6A D-Curve breaker support?
Typically suitable for control transformers up to 500VA, depending on inrush characteristics. The D-Curve tolerates the high magnetizing inrush current during transformer energization.
5. What cable size is recommended for 6A D-Curve circuits?
1.5mm² copper conductor minimum. 2.5mm² recommended for mechanical robustness. Terminals accept up to 16mm² for installation flexibility.
