4.9 Based on 1156 reviews 
Description
3 Pole 50A C Curve 10kA Miniature Circuit Breaker
Live Electrical Three Phase MCB – CB350C
The Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB is a robust solution for commercial 3-phase systems, particularly where circuits experience higher inrush currents. Thanks to its C Curve tripping characteristic, it is well-suited for inductive loads such as motors, transformers, and industrial equipment.
Additionally, the 10kA breaking capacity ensures safe handling of fault currents, making this MCB an ideal choice for projects requiring both high quality and affordability.
Key Features:
- 3 Pole 50A MCB: Designed for 3-phase systems with a current rating of 50 Amps.
- C Curve Tripping Characteristic: Perfect for circuits with higher inrush currents, such as motors and transformers, tripping at 5 to 10 times the rated current.
- 10kA Breaking Capacity: Safely handles fault currents up to 10kA, providing protection 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, ensuring reliable, long-term performance.
- IP20 Protection: Provides safety by preventing accidental contact with live components, suitable for 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 a C Curve MCB used for?
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 and industrial environments.
2. Can this MCB be used for 3-phase systems?
Yes, this 3-pole MCB is designed for 3-phase systems, offering reliable protection for circuits that handle up to 50 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 essential protection against overloads and short circuits in high-demand environments.
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 industrial applications.
5. Can this MCB operate in extreme temperatures?
Yes, it operates efficiently between -5°C and +40°C and can be stored in temperatures ranging from -25°C to +70°C, ensuring durability across various conditions.
Conclusion
The Live Electrical CB350C 3 Pole 50A C Curve 10kA MCB is a cost-effective and reliable solution for circuits with higher inrush currents, such as those found in motors and transformers. Its C Curve tripping characteristic and 10kA breaking capacity make it ideal for commercial 3-phase systems. Additionally, its long-lasting durability ensures dependable performance, even in budget-conscious projects.
For project pricing, send us your list of required items via WhatsApp or email, and we’ll provide competitive rates tailored to your needs.
Explore more Live Electrical products:
