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Product Overview
In mega-facilities such as cloud server farms and heavy metallurgical plants, a single nuisance trip at the main distribution board equates to catastrophic financial loss and ruined industrial batches. The CHNAILE Intelligent 3-Pole 800A Electronic MCCB eliminates this risk through state-of-the-art solid-state sensing. Capable of securely routing 800 Amperes of continuous 3-phase power, this device is defined by its comprehensive LSIG digital control panel. It empowers facility managers with absolute authority over time and current thresholds, ensuring impeccable selective fault coordination. Armed with an immense 65,000A (65kA) ultimate breaking capacity and proactive LED load diagnostics, this IEC 60947-2 certified powerhouse is the pinnacle of modern electrical defense.
Technical Parameters
| Device Category: | Electronic Molded Case Circuit Breaker (Smart MCCB) |
| Poles Configuration: | 3P (Simultaneous 3-Phase Intelligent Load Control) |
| Frame Size & Rated Current: | 800A Frame / Adjustable Ir1 (630A to 800A) |
| Trip Unit Technology: | Solid-State Microprocessor (True RMS sensing) |
| Protection Matrix: | Full LSIG (Long, Short, Instantaneous, Ground configurable) |
| Rated Operating Voltage (Ue): | AC 400V (50Hz) |
| Rated Insulation Voltage (Ui): | 1000V |
| Rated Impulse Withstand Voltage (Uimp): | 12kV (Extreme grid surge & lightning immunity) |
| Ultimate Breaking Capacity (Icu): | 65kA (M-Type Heavy-Duty Plasma Suppression) |
| Short-Time Withstand Current (Icw): | 10kA for 1s (Category B Elite Selectivity) |
| Standard Compliance: | GB/T 14048.2 / IEC 60947-2 |
1. Elite LSIG Microprocessor Defense
The 6-Dial LSIG Matrix: Beneath the tamper-proof transparent cover lies the brain of the operation. Engineers can meticulously adjust Long-delay (Ir, tr), Short-delay (Isd, tsd), and Instantaneous (Ii) parameters. This allows the breaker to perfectly map the extreme startup inrush curves of 500kW heavy industrial motors without false tripping, a feat impossible for mechanical breakers.
Category B Selective Coordination (10kA/1s): True grid stability requires patience during a fault. Because of its massive internal reinforcement, this breaker boasts an Icw of 10kA/1s. It can safely endure a 10,000-Ampere dead short for a full second. This crucial delay forces the smaller sub-breaker nearest to the fault to trip first, isolating the damage while keeping the 800A main feed active for the rest of the facility.
Proactive Load Diagnostics: Equipped with an intuitive LED traffic-light system (Run, Pre-Alarm, Overload). The amber 'Pre-Alarm' illuminates when current approaches the threshold, giving automated building management systems (BMS) time to shed non-essential loads before a hard blackout occurs.
2. Heavy-Duty Structural & Dielectric Integrity
65kA Catastrophic Arc Vaporization: High-capacity environments produce explosive fault energies. Armed with aggressively oversized magnetic blow-out coils and expansive de-ion arc chutes, this MCCB instantly fragments and extinguishes violent 65,000-Ampere short-circuit plasmas, preventing structural damage to the main distribution board.
12kV Atmospheric Surge Firewall: Mega-facilities are highly exposed. The staggering Ui 1000V internal insulation and 12kV Uimp rating act as a heavy-duty dielectric firewall, ensuring that nearby lightning strikes and violent grid-switching transients cannot breach the breaker to destroy downstream server UPS units.
Low-Loss Thermal Architecture: Routing 800 Amps requires massive heat dissipation. The high-density, V0-rated thermosetting enclosure is specifically molded to manage the thermal output of the oversized internal silver-alloy conductors, guaranteeing cool operation under relentless 24/7 commercial loads.
3. Target Application Scenarios
Because of its sophisticated LSIG solid-state adjustability and massive 800A capacity, this Electronic MCCB is strictly specified by global EPCs for:
Hyperscale Cloud Data Centers: Serving as the intelligent main incomer for sprawling server farm UPS networks, guaranteeing rigorous selective coordination to prevent total facility blackouts.
Steel Rolling Mills & Foundries: Providing precisely tuned protection for massive 3-phase induction motors used in heavy metallurgical pressing and smelting, easily tolerating extreme startup inrush currents.
Automated Container Terminals: Acting as the stable main disconnect for heavy shipyard gantry cranes where extreme load fluctuations would cause standard thermal breakers to fail.
Hospital Main Switchboards: Supplying tightly monitored, temperature-immune 3-phase power distribution to life-critical medical wings and centralized climate control systems.
4. Global B2B Partnership with CHNAILE Factory
Factory-Direct Smart Tech Supply: Sourcing advanced microprocessor-controlled MCCBs directly from our manufacturing hub eliminates immense trader markups, giving your engineering firm a decisive financial advantage in bidding for national-level infrastructure projects.
Rigorous Digital Calibration: We leave nothing to chance. Every electronic trip unit undergoes exhaustive automated secondary injection testing to verify 100% tripping accuracy across all 6 LSIG dial settings before IEC 60947-2 certification is finalized.
Premium OEM Panel Builder Support: We partner with the world's most demanding system integrators, offering bespoke labeling, customized factory-preset calibrations, and scalable manufacturing tailored to your smart-grid solutions.
Instruction Manual for Electronic Molded Case Circuit Breakers.pdf
