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Product Overview
Operating heavy 3-phase machinery in environments exposed to moisture—such as commercial kitchens or large-scale spas—presents a lethal electrocution hazard if insulation degrades. The CHNAILE High-Capacity 4-Pole RCBO merges a 6000A (6kA) Miniature Circuit Breaker and a highly sensitive 30mA Residual Current Device into one robust, synchronized unit. Designed to handle up to 63 Amperes of continuous 400V power (approx. 43kW), it actively protects both expensive industrial assets and human life. By ensuring simultaneous severance of all three live phases and the neutral conductor during a fault, and equipping technicians with an advanced mechanical diagnostic interface, this device sets the ultimate safety standard for high-risk, high-power commercial infrastructures.
Technical Parameters
Device Category: | AC RCBO (Residual Current Circuit Breaker with Overcurrent Protection) |
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Poles Configuration: | 3P+N (4-Pole Simultaneous Phase & Neutral Disconnect) |
Rated Current (In): | 63A (Engineered for massive 3-phase commercial loads up to 43kW) |
Rated Operating Voltage (Ue): | AC 400V |
Rated Frequency: | 50Hz |
Earth Leakage Sensitivity (I∆n): | 30mA (Strict human life-protection grade for wet zones) |
Short-Circuit Breaking Capacity (Icu): | 6000A (6kA) |
Diagnostic Features: | Grey 'R' (Return) Leakage Indicator & Orange 'T' (Test) Button |
Visual Identifier: | Industrial Blue Toggles (Denoting Critical/Water-Adjacent Circuits) |
Standard Compliance: | IEC 61009-1 / EN 61009-1 |
1. Elite 3-Phase Diagnostic & Safety Mechanisms
Mechanical Fault Identification (The 'R' Button): In a massive food processing plant, identifying why a 40kW pump shut down saves thousands in lost production. This RCBO features an advanced mechanical memory. If it trips due to a dangerous ground fault/leakage, the grey 'R' (Return) button physically pops out. If it trips from a standard short-circuit, the button remains flush. This instantly communicates the exact nature of the fault to maintenance crews.
30mA Aquatic & Wash-Down Defense: Three-phase power and water are a deadly mix. The internal smart-core constantly balances outgoing and returning currents across all 4 poles. A minuscule 30mA leakage—caused by water ingress in a commercial oven or pool heater—triggers the breaker to violently sever the power in under 0.1 seconds, preventing fatal electrocution.
Absolute 4-Wire Severance (Anti-Feedback): Water inherently creates unpredictable grounding paths. The internally synchronized 4-pole tripping bar ensures the neutral conductor is physically disconnected simultaneously with L1, L2, and L3, eliminating any risk of lethal neutral-return voltages reaching workers in damp areas.
2. Specialized Structural Engineering
Color-Coded Critical Isolation: The quadruple blue operational toggles allow facility managers to instantly visually isolate critical, water-adjacent heavy machinery from standard dry-zone distribution breakers during emergency shutdowns or routine sanitization protocols.
43kW Continuous Thermal Tolerance: Heavy commercial pool heaters and industrial dough mixers draw relentless, maximum-capacity power for hours. The massively upscaled bi-metallic thermal elements are explicitly designed to withstand this continuous 63A thermal stress across all phases without yielding to premature degradation.
V0-Rated High-Density Casing: Molded from a premium fire-retardant polymer, the enclosure efficiently dissipates the substantial heat generated by 63A 3-phase transmission inside sealed, often unventilated stainless-steel commercial distribution boxes.
3. Target Application Scenarios
Because of its massive 63A 3-phase rating, 4-pole total isolation, and 30mA aquatic safety rating, this RCBO is heavily mandated by global EPCs for:
Commercial Spas & Aquatic Centers: Serving as the mandatory, life-saving main electrical disconnect for heavy 3-phase pool circulation pumps, wave machines, and multi-kilowatt hot tub heaters.
Food & Beverage Processing Plants: Providing strict 4-wire isolation for heavy conveyor belts, commercial mixers, and packaging machines in areas subjected to high-pressure daily wash-downs.
Industrial Central Kitchens: Safeguarding commercial stainless-steel environments equipped with heavy 400V electric ovens, fryers, and automated dishwashing stations.
Agricultural & Greenhouse Facilities: Protecting heavy 3-phase irrigation pumps and climate control HVAC systems in highly humid and damp environments.
4. Global B2B Partnership with CHNAILE Factory
Direct Supply of Specialized Switchgear: Bypass intermediary trading markups. Sourcing high-capacity, 4-pole RCBOs directly from our manufacturing floor dramatically optimizes the BOM for your commercial infrastructure and aquatic projects.
Rigorous 30mA / 63A 3-Phase Calibration: Life-safety devices require absolute perfection. Every 4P unit is subjected to rigorous computerized micro-current simulation across all phases to ensure exact 30mA/0.1s tripping, alongside 63A heavy-load thermal testing prior to export.
Premium OEM Panel Builder Support: We actively support global commercial kitchen and HVAC system integrators, offering bespoke laser-engraved faceplates, specific toggle color-coding, and customized packaging tailored to your proprietary product lines.
