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The CHNAILE BD1-63S 2P is a highly dependable, CE-certified miniature circuit breaker engineered to deliver uncompromising protection against dangerous electrical overloads and short circuits in modern commercial distribution boards. Operating at AC 400V (50/60Hz) with a 20A load rating and a robust 6kA breaking capacity, this 2-pole MCB features an advanced internal common trip mechanism that ensures simultaneous disconnection of both poles, providing complete electrical isolation for maximum safety. Designed for universal 35mm DIN-rail mounting, it offers fast, tool-efficient installation and seamless integration into any standard consumer unit or industrial control cabinet. Fully compliant with the rigorous IEC60898-1 international standard, the BD1-63S series has been installed in over 5,000 commercial buildings across 30+ countries, earning a reputation for exceptional reliability and long-term performance in demanding electrical environments.
Parameter | Specification |
|---|---|
Device Category | AC Miniature Circuit Breaker (MCB) |
Model | BD1-63S 2P |
Number of Poles | 2P |
Rated Current (In) | 20A (5A-63A available) |
Rated Operating Voltage (Ue) | AC 400V |
Rated Frequency | 50/60Hz |
Rated Breaking Capacity (Icu) | 6000A (6kA) |
Tripping Characteristic | Curve C (5-10×In) |
Mounting Configuration | 35mm Standard DIN-Rail |
Mechanical Lifespan | 10,000 operations |
Electrical Lifespan | 4,000 operations |
Shell Material | V0-grade flame retardant thermosetting plastic |
Contact Material | High-purity electrolytic copper |
Standards Compliance | CE Certified, IEC60898-1 Compliant |
Warranty | 2 years |
| | |
The BD1-63S 2P MCB provides three layers of critical protection to safeguard your electrical systems and personnel. Its internal common trip mechanism ensures that if a fault occurs on either line, both poles disconnect instantly, safely isolating both live and neutral conductors. This complete isolation is essential for protecting maintenance workers from accidental electric shock during repairs or inspections. The precision bi-metallic strip accurately detects sustained overcurrents, automatically cutting power before wire insulation degrades or connected appliances overheat. For short circuit events, the advanced electromagnetic tripping system responds in less than 10 milliseconds, instantly extinguishing massive fault currents up to 6kA and effectively mitigating the risk of electrical panel fires.
Constructed from industrial-grade, impact-resistant thermosetting materials with a V0 flame retardant rating, the BD1-63S MCB offers exceptional thermal endurance and completely prevents combustion even under extreme fault conditions. All internal electrical contacts and sturdy screw terminals are forged from high-purity electrolytic copper, minimizing contact resistance and preventing dangerous heat build-up even under continuous full 20A loads. The heavy-duty pull-down mounting clip at the base provides a secure, vibration-resistant fit onto standard 35mm DIN rails, ensuring reliable performance in industrial environments where equipment vibration is common. The distinctive teal-green toggle switches offer clear visual status indication, allowing facility managers to verify complete circuit safety at a glance.
With a reliable 6kA breaking capacity, the BD1-63S 2P MCB is the perfect cost-effective solution for most residential, commercial, and light-industrial applications. Unlike cheaper alternatives that may fail under fault conditions, every CHNAILE circuit breaker undergoes 100% rigorous automated testing for tripping accuracy, insulation resistance, and mechanical endurance before leaving our manufacturing facility. Full CE certification ensures seamless customs clearance and market acceptance across Europe, the Middle East, Asia, and other regions that recognize international safety standards. Electrical contractors consistently praise our MCBs for their consistent performance and easy installation, reducing project labor costs by up to 40% compared to competing products.
Main disconnects in residential consumer units (L+N switching)
Commercial office lighting and power outlet circuits
Retail store electrical distribution systems
Industrial control cabinets requiring 2-phase equipment protection
HVAC (Heating, Ventilation, and Air Conditioning) power circuits
Data center auxiliary power systems
School and hospital electrical installations
Restaurant and hospitality facility circuits
As a leading manufacturer of low-voltage electrical components with 15+ years of industry experience, CHNAILE operates a state-of-the-art 20,000 square meter production facility staffed by over 300 skilled workers. By partnering directly with us, you eliminate middlemen and gain access to highly competitive factory-direct wholesale pricing, maximizing your project margins. Our robust production capacities enable us to fulfill bulk orders quickly, with standard lead times of just 7-15 days for container quantities. We also offer comprehensive OEM/ODM customization services, allowing you to prominently display your brand logo on products and packaging. Our dedicated customer support team is available 24/7 to assist with technical questions, order inquiries, and after-sales service, ensuring a seamless experience from initial contact to final delivery.
A 1-pole MCB only disconnects the live wire, leaving the neutral wire connected and potentially dangerous. A 2-pole MCB simultaneously disconnects both live and neutral, providing complete electrical isolation for enhanced safety during maintenance.
C curve tripping characteristic means the breaker trips at 5-10 times the rated current, making it ideal for standard inductive and resistive loads such as motors, transformers, and lighting systems.
Yes, the BD1-63S 2P MCB is fully CE certified and complies with IEC60898-1, making it suitable for use in most countries worldwide.
Our standard MOQ is 100 pieces, but we can accommodate smaller trial orders for new customers. Contact our sales team for detailed pricing information.
Yes, we provide comprehensive OEM/ODM services including custom branding, packaging, and product specifications to meet your specific requirements.
Ready to enhance the safety and reliability of your electrical systems? Contact us today to request a competitive factory-direct quote for the CHNAILE BD1-63S 2P 20A 6kA AC MCB. Our sales team will respond within 24 hours with detailed pricing and delivery information tailored to your project needs.
