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Product Overview
Provide bulletproof protection for your heavy-duty three-phase equipment with the CHNAILE BD1-63S series 3-Pole Miniature Circuit Breaker (MCB). Specifically optimized for alternating current (AC) distribution up to 400V, this formidable 32A breaker is designed to handle the high inrush currents and continuous loads of commercial and industrial machinery. Proudly bearing the CE mark and complying with IEC60898-1, it delivers global-standard safety. Encased in a durable flame-retardant housing with distinctive green toggles, it mounts quickly onto standard 35mm DIN rails, ensuring rapid installation for commercial panel builders and HVAC contractors.
Technical Parameters
Device Category: | AC Miniature Circuit Breaker (MCB) |
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Number of Poles: | 3P |
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
Synchronized 3-Pole Disconnect: Features an internal common trip mechanism. If a fault occurs on any single phase, all three poles trip simultaneously. This strictly prevents the dangerous "single-phasing" effect, saving expensive 3-phase motors from burning out.
Precision Overload Protection: The advanced bi-metallic strips are calibrated for heavy 32A continuous loads. They accurately detect sustained overcurrents from heavy machinery, cutting power before wire insulation melts or equipment overheats.
Short Circuit Quick Break: Utilizes a highly responsive electromagnetic tripping system to instantly extinguish massive fault currents up to 6000A (6kA), effectively averting 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, easily dissipating the heat generated by running 32 Amps across three phases simultaneously.
High Conductivity Copper Parts: To safely carry heavy industrial currents, the internal contacts and sturdy screw terminals are forged from 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 inside motor control centers (MCC) and commercial enclosures.
3. Superior Performance Advantages
Reliable 6kA Breaking Capacity: Confidently interrupts severe fault currents, making it highly cost-effective and dependable for industrial infrastructure and commercial grids.
Clear Visual Status Indication: Equipped with mechanical status windows (Green for Safe/OFF, Red for Live/ON), allowing operators to visually confirm complete 3-phase circuit isolation from a distance.
Global Standard Compliance: Fully CE certified, ensuring frictionless customs clearance and regulatory compliance for your international EPC projects.
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 industrial automation and distribution projects.
Strict Quality Control: Every 32A 3P 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 the switchgear.
Target Application Scenarios
Due to its synchronized 3-pole design and robust 32A capacity, this MCB is the preferred choice for protecting dedicated 3-phase loads:
Industrial Motor Control: Essential protection for 3-phase water pumps, air compressors, conveyor belts, and manufacturing automation equipment.
Commercial HVAC Systems: Dedicated disconnects for heavy-duty commercial chillers, central air conditioning units, and industrial heat pumps.
Commercial Kitchens & Catering: Supplying stable 3-phase power to large-scale electric ovens, commercial dishwashers, and high-draw culinary appliances.
Manufacturing Facilities: Acting as reliable sub-distribution breakers for factory floor equipment and workshop power panels.
