4.9 Based on 1167 reviews 
Description
3 Pole 63A C Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB363C
The Live Electrical CB363C 3 Pole 63A C Curve 10kA MCB is an excellent solution for protecting commercial 3-phase systems, especially for circuits that experience higher inrush currents. Its C Curve tripping characteristic makes it ideal for inductive loads like motors, transformers, and industrial equipment. Additionally, the 10kA breaking capacity ensures effective fault current protection, making it a reliable option for budget-conscious projects that still require high-quality performance.
Key Features:
- 3 Pole 63A MCB: Designed for 3-phase systems, supporting a current rating of 63 Amps.
- C Curve Tripping Characteristic: Suitable for circuits with higher inrush currents, such as motors, transformers, and industrial machinery, tripping at 5 to 10 times the rated current.
- 10kA Breaking Capacity: Handles fault currents up to 10kA, providing protection against overloads and short circuits.
- Voltage Rating: Suitable for 230/400V systems, operating at a frequency of 50/60Hz.
- Durability: Rated for 8,000 electrical operations and 20,000 mechanical operations, ensuring long-lasting performance in demanding environments.
- IP20 Protection: Prevents accidental contact with live parts, ensuring safety in commercial and industrial settings.
Technical Specifications:
- Poles: 3P
- Rated Voltage (Ue AC): 230/400V
- Frequency: 50/60Hz
- Insulation Voltage (Ui): 500V
- Breaking Capacity: 6/10kA
- Impulse Withstand Voltage: 4000V
- Dielectric Test Voltage: 2kV
- Thermo-magnetic Release: B, C, D Characteristics
- Electrical Life: 8,000 operations
- Mechanical Life: 20,000 operations
- IP Rating: IP20
- Ambient Temperature: -5°C to +40°C (daily average ≤35°C)
- Storage Temperature: -25°C to +70°C
FAQs:
1. What is the purpose of a C Curve MCB?
A C Curve MCB trips when the current exceeds 5 to 10 times the rated load, making it ideal for circuits with high inrush currents, such as motors or transformers in commercial or industrial applications.
2. Can this MCB be used in 3-phase systems?
Yes, this 3-pole MCB is specifically designed for 3-phase systems, providing reliable protection for circuits handling up to 63 amps.
3. Why is the 10kA breaking capacity important?
The 10kA breaking capacity ensures that the MCB can safely handle fault currents up to 10,000 amps, offering crucial protection against overloads and short circuits.
4. How durable is this MCB?
This MCB is highly durable, rated for 8,000 electrical operations and 20,000 mechanical operations, making it suitable for long-term use in commercial or industrial environments.
5. Can this MCB operate in extreme temperatures?
Yes, it operates efficiently between -5°C and +40°C, and it can be stored in conditions ranging from -25°C to +70°C, ensuring durability in various environments.
Conclusion
The Live Electrical CB363C 3 Pole 63A C Curve 10kA MCB is a dependable and cost-effective solution for circuits with higher inrush currents, such as motors and transformers. Its C Curve tripping characteristic and 10kA breaking capacity make it perfect for protecting commercial 3-phase systems. Additionally, its long-lasting performance ensures it is ideal for budget-conscious projects that still require high quality.
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