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Product Overview
Achieve absolute electrical isolation for your high-demand circuits with the CHNAILE BD1-63S series 2-Pole Miniature Circuit Breaker (MCB). Specifically engineered for alternating current (AC) systems up to 400V, this robust 32A breaker is built to handle continuous heavy loads safely. By simultaneously switching both poles (Live and Neutral), it guarantees 100% electrical isolation during maintenance. Proudly bearing the CE mark and fully compliant with IEC60898-1, it is the industry-standard choice for demanding, modern applications. Encased in a grey fire-retardant housing with a distinctive green toggle, it mounts effortlessly onto standard 35mm DIN rails, ensuring rapid installation for commercial panel builders and electrical contractors globally.
Technical Parameters
Device Category: | AC Miniature Circuit Breaker (MCB) |
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Number of Poles: | 2P |
Rated Current (In): | 32A |
Rated Operating Voltage (Ue): | AC 400V |
Rated Frequency: | 50/60Hz |
Rated Breaking Capacity (Icu): | 6000A (6kA) |
Tripping Characteristic: | Curve C (Optimized for standard inductive and resistive loads) |
Mounting Configuration: | 35mm Standard DIN-Rail |
Standard Compliance: | Fully CE Certified, IEC60898-1 Compliant |
1. Comprehensive Protection Functions
Simultaneous 2-Pole Disconnect: Features an internal common trip mechanism. In the event of a fault, both poles trip instantly. This completely severs the Live and Neutral lines, eliminating return current hazards and ensuring ultimate safety for maintenance crews.
Precision Overload Protection: The advanced bi-metallic strip is finely calibrated for 32A loads. It accurately detects sustained overcurrents from heavy equipment like EV chargers or commercial ovens, preventing wire insulation degradation.
Short Circuit Quick Break: Utilizes a highly responsive electromagnetic tripping system to instantly extinguish massive fault currents up to 6000A (6kA), effectively preventing panel fires.
2. Premium Material & Robust Structure
Industrial-Grade Flame Retardant Shell: Enclosed in a rugged, V0-grade thermosetting plastic case. It delivers exceptional thermal endurance, effectively dissipating the heat generated by continuous 32 Ampere loads without combustion.
High Conductivity Copper Parts: To safely carry heavy currents, the internal contacts and heavy-duty screw terminals are forged from oversized, high-purity copper, minimizing resistance and voltage drop.
Universal DIN-Rail Mounting: Features a heavy-duty spring clip for fast, secure, and vibration-resistant installation onto standard 35mm DIN rails inside commercial enclosures and EV wallboxes.
3. Superior Performance Advantages
Reliable 6kA Breaking Capacity: Confidently interrupts severe fault currents, making it highly cost-effective and dependable for both commercial infrastructure and high-end residential grids.
Clear Visual Status Indication: The recognizable light-green toggle switches clearly display the 'O OFF' status, allowing operators to visually confirm complete circuit isolation instantly.
Global Standard Compliance: Fully CE certified, ensuring frictionless customs clearance and regulatory compliance across Europe, the Middle East, Asia, and South America.
4. Why Choose CHNAILE Factory
Direct Manufacturer: Eliminate middlemen by partnering directly with our primary source factory. We offer highly competitive wholesale pricing to maximize margins for your EV infrastructure and EPC projects.
Strict Quality Control: Every 32A circuit breaker undergoes 100% rigorous automated testing for synchronized tripping accuracy and thermal stability before leaving our state-of-the-art facility.
Global Supply & OEM Support: Equipped for massive bulk orders, rapid global fulfillment, and comprehensive OEM/ODM customization to prominently feature your brand logo on EV charging components.
Target Application Scenarios
Because of its 32A capacity and 2-pole isolation, this MCB is the preferred choice for protecting dedicated high-draw circuits:
EV Charging Stations: Essential L+N disconnect protection for 7kW / 7.4kW Level 2 AC Wallboxes and public charging pillars.
Commercial HVAC Systems: Dedicated isolation for high-BTU commercial air conditioning units and industrial heat pumps.
Commercial Kitchens & Catering: Dedicated power lines for heavy-duty electric ovens, fryers, and high-draw catering equipment.
Residential Sub-Mains: Serving as a reliable main switch or sub-distribution breaker for large outbuildings and workshops.
