4.9 Based on 1156 reviews 
Description
3 Pole 16A D Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB316D
The Live Electrical CB316D 3 Pole 16A D Curve 10kA MCB is designed to deliver exceptional protection for commercial 3-phase systems. Thanks to its D Curve tripping characteristic, it is ideal for circuits that experience high inrush currents, such as motors and transformers. Furthermore, with a 10kA breaking capacity, it ensures safety by reliably handling fault currents, making it a cost-effective solution for high-demand environments.
Key Features:
- 3 Pole 16A MCB: Specifically built for 3-phase systems, providing a current rating of 16 Amps.
- D Curve Tripping Characteristic: Perfect for circuits with high inrush currents, such as motors, tripping at 10 to 20 times the rated current.
- 10kA Breaking Capacity: Provides reliable protection by safely handling fault currents up to 10kA, safeguarding circuits from overloads and short circuits.
- Voltage Rating: Compatible with 230/400V systems, operating at a frequency of 50/60Hz.
- Durability: Rated for 8,000 electrical operations and 20,000 mechanical operations for long-lasting performance.
- IP20 Protection: Prevents accidental contact with live parts, ensuring safe operation in commercial environments.
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 a D Curve MCB used for?
A D Curve MCB trips when the current exceeds 10 to 20 times the rated load. Therefore, it is best for circuits with high inrush currents, such as those in motors or heavy machinery.
2. Is this MCB designed for 3-phase systems?
Yes, this 3-pole MCB is specifically made for 3-phase systems. It provides reliable protection for circuits carrying up to 16 amps in commercial and industrial settings.
3. Why is the 10kA breaking capacity important?
The 10kA breaking capacity ensures the MCB can handle fault currents up to 10,000 amps. This offers critical protection against overloads and short circuits, especially in high-demand environments.
4. How durable is this MCB?
This MCB is highly durable, with a lifespan of 8,000 electrical operations and 20,000 mechanical operations, making it ideal for long-term use in commercial settings.
5. Can this MCB operate in extreme temperatures?
Yes, it operates efficiently in temperatures between -5°C and +40°C and can be stored in conditions ranging from -25°C to +70°C.
Conclusion
The Live Electrical CB316D 3 Pole 16A D Curve 10kA MCB is a reliable and cost-effective choice for circuits with high inrush currents. Its D Curve tripping characteristic and 10kA breaking capacity make it ideal for motors, transformers, and other high-demand applications. Moreover, its durable design ensures long-term reliability in commercial environments.
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