4.9 Based on 1181 reviews 
Description
3 Pole 10A D Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB310D
The Live Electrical CB310D 3 Pole 10A D Curve 10kA MCB is designed to provide robust protection for commercial 3-phase systems. Due to its D Curve tripping characteristic, it is perfect for circuits that experience high inrush currents, such as motors and heavy machinery. Furthermore, the 10kA breaking capacity ensures reliable protection against fault currents.
This MCB is a cost-effective solution for projects that demand quality while keeping within a budget.
Key Features:
- 3 Pole 10A MCB: Ideal for commercial 3-phase systems, rated at 10 Amps.
- D Curve Tripping Characteristic: Designed for circuits with high inrush currents, such as motors. It trips at 10 to 20 times the rated current.
- 10kA Breaking Capacity: Provides protection by safely handling fault currents up to 10kA, ensuring safety from overloads and short circuits.
- Rated Voltage: Compatible with 230/400V systems, operating at 50/60Hz frequency.
- Durability: Built for 8,000 electrical operations and 20,000 mechanical operations.
- IP20 Protection: Safeguards users by preventing accidental contact with live parts.
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. Therefore, it is ideal for circuits with high inrush currents, like motors or heavy machinery in commercial and industrial settings.
2. Is this MCB suitable for 3-phase systems?
Yes, this 3-pole MCB is specifically designed for 3-phase systems. It provides reliable protection for circuits handling up to 10 amps in commercial environments.
3. Why is the 10kA breaking capacity important?
The 10kA breaking capacity ensures that the MCB can handle fault currents up to 10,000 amps. This protects circuits against overloads and short circuits, especially in high-demand applications.
4. How durable is this MCB?
This MCB is highly durable, with a lifespan of 8,000 electrical operations and 20,000 mechanical operations. It is built for long-term use in demanding commercial environments.
5. Can this MCB withstand extreme temperatures?
Yes, the MCB 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 CB310D 3 Pole 10A D Curve 10kA MCB is a dependable, cost-effective solution for protecting circuits with high inrush currents. Its D Curve tripping characteristic ensures safety in circuits with motors and heavy-duty machinery. Moreover, the 10kA breaking capacity offers essential protection for commercial 3-phase systems, ensuring long-term reliability.
For project pricing, 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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