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Help Center380V 4 Pole Earth Leakage MCB Breaker Switch Smart Plastic Enclosure 100A 80A 63A Reliable Performance With After-Sales Support
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As a professional manufacturer from Jinhua Dika Electrical Equipment Co., Ltd., we take pride in delivering high-performance electrical protection solutions. Our 380V 4 Pole Earth Leakage MCB Breaker Switch in a smart plastic enclosure combines reliable leakage detection with overcurrent protection, ensuring safety and durability in demanding environments. Designed for versatility, this breaker is available in 100A, 80A, and 63A ratings, making it suitable for a wide range of applications from residential panels to industrial machinery. Backed by our ISO9001-certified production and strong after-sales support, you can count on consistent performance and long service life.
Key Features & Technical Specifications
- 4-Pole Design: Suitable for three-phase systems with neutral line protection.
- Earth Leakage Protection: Sensitive residual current detection (30mA / 100mA / 300mA options available) to prevent electric shock and fire hazards.
- Smart Plastic Enclosure: Flame-retardant, impact-resistant material with IP40 protection (optional IP65). Compact size saves panel space.
- Multiple Rated Currents: 63A, 80A, and 100A versions to match different load requirements.
- High Breaking Capacity: Up to 10kA at 380V, ensuring safe interruption under fault conditions.
- Robust Terminal Connections: Screw-type terminals accept conductors up to 35mm² for secure wiring.
- Visual Status Indicator: Clear on/off and trip indication for easy maintenance.
- Wide Operating Temperature: -25°C to +55°C, suitable for various climates.
Electrical Parameters Comparison
| Parameter | Value (63A) | Value (80A) | Value (100A) |
|---|---|---|---|
| Rated Voltage | 380V AC / 400V AC | ||
| Rated Current | 63A | 80A | 100A |
| Poles | 4P (3P+N) | ||
| Rated Residual Current (IΔn) | 30mA / 100mA / 300mA (configurable) | ||
| Breaking Capacity (Icn) | 10kA @ 380V | ||
| Enclosure Material | Smart Plastic (PC/ABS, UL94 V-0) | ||
| Protection Degree | IP40 (IP65 optional) | ||
| Electrical Life | ≥4,000 operations | ||
| Mechanical Life | ≥20,000 operations | ||
Advantages for Your Business
- Enhanced Safety: Reduces risk of electric shock and fire with fast-acting earth leakage detection.
- Space Saving: Compact design (modular width 72mm per pole) fits standard DIN rail enclosures.
- Easy Installation: Plug-in or screw terminals with clear labeling reduce wiring time.
- Cost Effective: Combines MCB and RCCB functions in one device, eliminating separate units.
- Reliable After-Sales: Our dedicated support team provides quick response, replacement parts, and technical guidance.
- Global Compatibility: Designed to meet international standards, widely used in Asia, Europe, Africa, and the Americas.
At Jinhua Dika Electrical Equipment Co., Ltd., we have over a decade of experience in manufacturing electrical components. Our facility in Jinhua, Zhejiang, employs a skilled team of 11-50 people and maintains strict quality control under ISO9001, ISO14000, and other management systems. With an annual export value exceeding US$1 million, we supply to distributors and OEMs across North America, Europe, Southeast Asia, Africa, and beyond. Our products are shipped from major ports including Shanghai, Ningbo, and Guangzhou, ensuring timely delivery. We stand behind every unit with a comprehensive after-sales support program, including warranty coverage, technical documentation, and replacement parts. Choose our 380V 4 Pole Earth Leakage MCB for dependable protection and peace of mind. Contact us today for competitive pricing, samples, or custom configurations.
Frequently Asked Questions
Q1: What is the difference between an Earth Leakage MCB and a standard MCB?
A: A standard MCB only protects against overcurrent (overload and short circuit). Our Earth Leakage MCB adds residual current detection, protecting against ground faults that can cause electric shock or fire. It combines both functions in one device.
Q2: Which rated current should I choose for my application?
A: Select based on your load current. For example, a 63A unit is suitable for lighting and small motor loads, 80A for medium equipment, and 100A for heavy machinery or main distribution. Always consider future expansion and cable rating.
Q3: Is the enclosure truly flame-retardant?
A: Yes, our smart plastic enclosure is made from PC/ABS material with a UL94 V-0 rating, meaning it stops burning within 10 seconds after removal of the flame, ensuring high fire safety.
Q4: Can I use this breaker outdoors?
A: The standard IP40 rating is suitable for indoor use. For outdoor or dusty/wet environments, we offer an optional IP65 version. Please specify when ordering.
Q5: What certifications does your product hold?
A: Our manufacturing facility is ISO9001 certified, and our products comply with relevant international standards such as IEC/EN 61008 and IEC/EN 61009. Specific certifications (e.g., CE, CB) can be provided upon request based on your target market.
Q6: How long is the warranty period?
A: We offer a standard 2-year warranty against manufacturing defects. Extended warranty options are available. Our after-sales team responds within 24 hours to any issues.
Q7: Do you provide customized ratings or tripping sensitivities?
A: Yes, we offer customization for rated current, residual current sensitivity (e.g., 30mA, 100mA, 300mA), and even enclosure color. Contact our sales team with your requirements.
Q8: What is the delivery lead time?
A: For standard models, lead time is 15-25 working days depending on quantity. Expedited shipping from our ports (Shanghai, Ningbo, Guangzhou) is available for urgent orders.
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