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Jinhua Dika Electrical Equipment Co., Ltd., a dedicated manufacturer located in Jinhua, Zhejiang, China, brings you the 4 Pole 380V Smart MCB Breaker Switch 100A Earth Leakage Protection Plastic Molded Case IoT Remote Control. Engineered for modern electrical systems, this breaker combines advanced IoT connectivity with robust earth leakage protection, ensuring safety and convenience for commercial, industrial, and residential applications. With over 11–50 skilled employees and an annual export value of US$1–1.5 million, we deliver reliable circuit protection solutions to markets across North America, South America, Europe, Asia, and Africa.
- 4-Pole Design: Suitable for 3-phase & neutral systems (380V), providing comprehensive protection for all live conductors.
- 100A Rated Current: Handles high-load circuits, ideal for heavy machinery, HVAC, or large distribution boards.
- Earth Leakage Protection: Detects residual currents (adjustable threshold: 30mA–300mA) and trips instantly to prevent electrocution and fire hazards.
- IoT Remote Control: Via embedded Wi-Fi/Zigbee module, users can monitor status, trip/reset the breaker, and receive real-time alerts from a smartphone app or cloud platform.
- Plastic Molded Case: Flame-retardant, UV-resistant enclosure ensures durability and safety in harsh environments.
- Smart Features: Supports energy monitoring, over-voltage/under-voltage protection, and programmable schedules.
| Parameter | Value |
|---|---|
| Rated Voltage | 380V AC (3-phase) |
| Rated Current | 100A |
| Poles | 4 (3P+N) |
| Frequency | 50/60 Hz |
| Earth Leakage Sensitivity | 30mA / 100mA / 300mA (selectable) |
| Breaking Capacity | 10kA (Ics) / 15kA (Icu optional) |
| Communication | Wi-Fi / Zigbee / RS485 (modular) |
| Operating Temperature | -25°C to +60°C |
Customer Benefits: This smart breaker eliminates manual trips, reduces downtime through remote diagnostics, and enhances safety with predictive alerts. The plastic molded case withstands corrosion and impacts, making it ideal for factories, solar farms, and smart buildings. Its modular IoT platform integrates easily with existing building management systems (BMS) or home automation.
Trust and Quality Assurance: Jinhua Dika has exported over US$1 million annually to 15+ global markets. Our production lines follow strict quality management systems (ISO9001, ISO14000 certified) and we offer comprehensive after-sales support. Each unit undergoes 100% electrical testing prior to shipment. With ports in Shanghai, Tianjin, Guangzhou, and Ningbo, we ensure fast and reliable delivery worldwide. Contact us today for a quote or to request samples – we are ready to tailor solutions for your project.
Frequently Asked Questions
Q1: Can this breaker be used for single-phase applications?
Yes, it can be configured for 3-phase + N (4-pole) or single-phase by using one or two poles, but the rated voltage must be 380V. For standard 230V single-phase, we recommend a two-pole version.
Q2: What communication protocol does the IoT module support?
The module supports Wi-Fi (2.4GHz), Zigbee, and optional RS485 Modbus. Please specify your preference when ordering.
Q3: Is the earth leakage protection adjustable?
Yes, you can select sensitivity levels of 30mA, 100mA, or 300mA via a physical dial or through the app.
Q4: What is the typical lifespan of this breaker?
Mechanical endurance exceeds 20,000 operations; electrical endurance (under rated load) is over 10,000 operations.
Q5: Do you provide custom markings or labels?
Yes, we offer OEM/ODM services. Contact our sales team for minimum order quantities and artwork requirements.
Q6: How do I reset the breaker remotely after a trip?
Via the mobile app, you can reset the breaker only if the leak fault is cleared. For safety, manual reset is still required for physical disconnection.
Q7: What certifications does this product hold?
Our factory is ISO9001, ISO14000, and OHSAS18001 certified. The breaker complies with IEC 60947-2 and IEC 61008 standards. Specific certifications like CE or CB are available upon request.
Q8: Is there a warranty?
Standard warranty is 2 years. Extended warranty options are available for bulk orders.
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