4.9 Based on 1156 reviews 
Description
3 Pole 63A D Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB363D
The Live Electrical CB363D 3 Pole 63A D Curve 10kA MCB is designed to provide reliable protection for commercial 3-phase systems. It’s especially effective for circuits that experience high inrush currents. With its D Curve tripping characteristic, this MCB is perfect for handling inductive loads, including motors, transformers, and heavy machinery.
Additionally, the 10kA breaking capacity ensures safe fault current management, making it an excellent choice for projects that prioritize quality on a budget.
Key Features:
- 3 Pole 63A MCB: Built for 3-phase systems, handling up to 63 Amps.
- D Curve Tripping Characteristic: Best suited for circuits with high inrush currents, such as motors and heavy equipment, tripping at 10 to 20 times the rated current.
- 10kA Breaking Capacity: Effectively handles fault currents up to 10kA, protecting circuits from 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, making it safe for use 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 does a D Curve MCB do?
A D Curve MCB trips when the current exceeds 10 to 20 times the rated load. This feature makes it perfect for circuits with high inrush currents, such as those in motors, transformers, and heavy machinery.
2. Is this MCB compatible with 3-phase systems?
Yes, this 3-pole MCB is specifically designed for 3-phase systems. It protects circuits handling up to 63 amps, making it ideal for industrial and commercial setups.
3. Why is the 10kA breaking capacity important?
The 10kA breaking capacity allows the MCB to safely handle fault currents up to 10,000 amps. This offers critical protection against overloads and short circuits in high-demand environments.
4. How durable is this MCB?
Rated for 8,000 electrical operations and 20,000 mechanical operations, this MCB is built to last in even the most demanding commercial and industrial applications.
5. Can this MCB handle extreme temperatures?
Yes, it operates efficiently between -5°C and +40°C, and it can be stored in conditions as low as -25°C and as high as +70°C.
Conclusion
The Live Electrical CB363D 3 Pole 63A D Curve 10kA MCB provides reliable protection for circuits with high inrush currents, such as motors and industrial equipment. Its D Curve tripping characteristic and 10kA breaking capacity make it ideal for commercial 3-phase systems. Additionally, its durability ensures long-lasting performance, making it a top choice for projects with budget and quality considerations.
For project pricing, send us your list of required items via WhatsApp or email, and we’ll provide competitive rates tailored to your needs.
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