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Product Overview
As homes and commercial facilities increasingly adopt high-power electrical equipment, standard low-ampere breakers are no longer sufficient. The CHNAILE High-Capacity 1-Pole Miniature Circuit Breaker (MCB) is specifically engineered to manage intensive single-phase loads up to 32 Amps safely. Compliant with stringent GB/T 10963.1 (equivalent to IEC standards) and built into a classic, modular DIN-rail profile, this device acts as the primary defense line against thermal stress and short-circuit faults. It ensures that your high-draw investments operate smoothly without risking catastrophic wiring fires or panel meltdowns.
Technical Parameters
Device Category: | AC Miniature Circuit Breaker (MCB) |
|---|---|
Poles Description: | 1P (Single-Phase Active Line Protection) |
Rated Current (In): | 32A (High-load capacity) |
Rated Operating Voltage (Ue): | AC 230/400V |
Rated Frequency: | 50/60Hz |
Short-Circuit Breaking Capacity (Icu): | 6000A (6kA) |
Trip Curve Type: | Curve C (Optimal for inductive motors and heavy appliances) |
Installation: | 35mm Standard DIN-Rail snap-on |
Standard Compliance: | GB/T 10963.1 (CCC Certified) |
1. Advanced High-Load Protection Mechanisms
Robust Single-Phase Disconnect: Accurately monitors and isolates the active live wire during dangerous power surges. The heavy-duty 32A rating ensures it won't suffer from nuisance tripping during the startup of large single-phase compressors or EV charging cycles.
Thermal Overload Management: Incorporates a thickened bi-metallic strip tailored to withstand the continuous heat generation of 7kW loads, gracefully severing the connection only when a genuine, sustained overload threatens the circuit wiring.
Instant Arc Extinction (6kA): Equipped with precision-engineered arc chutes that draw, divide, and extinguish intense short-circuit arcs within milliseconds, preventing explosive electrical failures.
2. Superior Material & Design Integration
Enhanced Thermoplastic Enclosure: Housed in an industrial-grade, fire-resistant polymer casing. It is specifically molded to effectively dissipate the thermal energy generated by continuous 32-Ampere loads, maintaining structural integrity over decades of use.
Oversized Copper Terminals: Features widened internal copper pathways and reinforced screw terminals. This guarantees ultra-low contact resistance, allowing secure tightening of thick gauge wires required for 32A circuits.
Vibration-Proof Rail Clip: The base is equipped with a high-tension bi-stable locking clip, ensuring the breaker remains rigidly attached to the DIN rail even in vibrating environments like utility rooms or workshops.
3. Target Application Scenarios
Because of its formidable 32A rating, this 1-Pole MCB is heavily requested for protecting dedicated high-power branch circuits:
EV Charging Infrastructure: The industry-standard disconnect switch for 7kW / 7.4kW single-phase Level 2 AC wallboxes and home charging points.
Modern HVAC Systems: Dedicated protection for residential air source heat pumps, large central air conditioners, and electric water heaters.
Commercial Kitchens: Supplying reliable single-phase power to heavy-duty commercial ovens, fryers, and catering equipment.
Industrial Workshops: Safeguarding dedicated outlet circuits for heavy single-phase power tools, welding machines, and air compressors.
4. Global B2B Partnership with CHNAILE Factory
Direct Manufacturing Power: Source heavy-duty electrical switchgear straight from our production lines. We guarantee aggressive wholesale pricing to drastically reduce your project procurement costs.
Stringent Quality Assurance: Every high-capacity breaker undergoes exhaustive automated thermal calibration, ensuring it can safely carry 32A continuously without premature degradation.
Comprehensive OEM/ODM Services: Leverage our immense manufacturing capacity to customize product labeling, colors, and packaging, seamlessly enhancing your proprietary brand value globally.
