4.9 Based on 1156 reviews 
Description
3 Pole 10A B Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB310B
The Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB provides reliable protection for commercial 3-phase electrical systems. It features a B Curve tripping characteristic, making it ideal for circuits with lighter loads, such as lighting or small appliances. With a 10kA breaking capacity, this MCB ensures that circuits remain safe during fault conditions. This product is perfect for budget-conscious projects where high-quality circuit protection is still required.
Key Features:
- 3 Pole 10A MCB: Specifically designed for 3-phase systems, with a rated current of 10 Amps.
- B Curve Tripping Characteristic: Suited for circuits with light loads, tripping at 3 to 5 times the rated current.
- 10kA Breaking Capacity: Capable of safely interrupting fault currents up to 10kA, providing protection against overloads and short circuits.
- Rated Voltage: Works with 230/400V systems, with a frequency of 50/60Hz.
- Durability: Rated for 8,000 electrical operations and 20,000 mechanical operations.
- IP20 Protection: Prevents accidental contact with live components, ensuring safe operation.
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 the B Curve MCB do?
A B Curve MCB trips when the current exceeds 3 to 5 times the rated load, making it ideal for circuits with light loads, such as lighting and small appliances in commercial settings.
2. Is this MCB appropriate for 3-phase systems?
Yes, this 3-pole MCB is designed specifically for commercial 3-phase systems, providing reliable protection for circuits that handle up to 10 amps.
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, ensuring protection against overloads and short circuits in more demanding commercial environments.
4. How durable is this MCB?
This MCB is rated for 8,000 electrical operations and 20,000 mechanical operations, making it a durable choice for long-term use in commercial settings.
5. Can this MCB operate in extreme temperatures?
Yes, the MCB operates efficiently in temperatures between -5°C and +40°C, and it can be stored in environments ranging from -25°C to +70°C.
Conclusion
The Live Electrical CB310B 3 Pole 10A B Curve 10kA MCB offers a budget-friendly yet high-quality solution for protecting commercial 3-phase systems. With its B Curve tripping characteristic and 10kA breaking capacity, this MCB is ideal for circuits with light loads. Additionally, it provides long-lasting protection in demanding environments.
For project pricing, feel free to send us your list of required items via WhatsApp or email, and we’ll offer competitive rates tailored to your needs.
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