Electronic Molded Case Circuit Breaker

The JHM1E Electronic Molded Case Circuit Breaker, manufactured by Jinhand Electrical in China, is designed for AC 50Hz/60Hz applications with a rated voltage of up to 690V and current up to 800A. It provides comprehensive protection features, including overload, short-circuit, and under-voltage protection, enhancing power supply reliability. With remote control capabilities in the "Z" and "B" models, this compact circuit breaker offers high breaking capacity and can be installed vertically or horizontally, making it ideal for various applications.

Advantages

1.Comprehensive Protection: Offers overload, short-circuit, under-voltage, and optional residual current and phase-loss protection, ensuring the safety of circuits and equipment.
2.High Reliability: Enhances power supply reliability and prevents unnecessary outages with its precise protection features.
3.Remote Control Capabilities: The "Z" and "B" models include communication interfaces for remote control, signaling, measurement, and adjustment, meeting automation system requirements.
4.Versatile Installation: Designed for both vertical and horizontal installation, providing flexibility in various applications.
5.Compact and Durable Design: Features a compact structure with high breaking capacity, short arcing distance, and vibration resistance for long-lasting performance.

MAIN TECHNICAL PARAMETERS

Main Features

1.Rated Specifications: Suitable for AC 50Hz/60Hz applications with a rated insulation voltage of 800V, operational voltage up to 690V, and operational current up to 800A.
2.Infrequent Switching Capability: Designed for infrequent circuit switching and motor starting, making it versatile for different uses.
3.Types Classification: Classified into M Type (Higher Breaking Capacity) and H Type (High Breaking Capacity) based on ultimate short-circuit breaking capacity.
4.Isolation Functionality: Ensures safe operation by preventing reverse wiring; specific terminals are designated for power supply and load connections.

Product Highlights

1.Full-Function Electronic Protection：Integrates overload, short-circuit, undervoltage, earth fault, and optional residual current and phase-loss protection with configurable settings.
2.Smart Communication Models Available："Z" and "B" models support communication protocols such as Modbus and Profibus for remote monitoring and control.
3.High Breaking Capacity Series：Offers M-type (higher breaking) and H-type (high breaking) capacity levels, up to 100 kA (400V).
4.Compact Design：Space-saving structure supports both vertical and horizontal installation, ideal for compact power distribution systems.

Operational Cost Optimization

1.Programmable Protection Parameters：Flexible setting of current, time, and tripping curves via front panel or communication interface to adapt to system changes.
2.Fault Logging and Early Warning：Built-in event logging stores fault types, timestamps, and parameters for analysis and prevention.
3.Modular Accessory System：Communication modules, alarm contacts, shunt trips, etc., are plug-and-play for easy maintenance and upgrades without replacing the entire unit.
4.Long Electrical Life：Electronic tripping eliminates mechanical wear, with an electrical life exceeding 6,000 operations, reducing replacement frequency.

Logistics & Installation

1.Standard Industrial Packaging：Shock and moisture-resistant with clear labeling, suitable for pallet and container shipping globally.
2.Flexible Installation Methods：Supports DIN rail mounting and front-panel fixed installation, with installation templates and torque guidelines for easy setup.
3.Plug-and-Play Communication Interface：Standardized communication module interfaces allow simple on-site configuration and quick system integration.
4.Multilingual Documentation Support：Provides installation manuals, wiring diagrams, parameter tables, and commissioning guides in Chinese and English.

Production Process Advantages

1.SMT Automated Assembly：Electronic PCBs use fully automated SMT and soldering processes for high consistency and reliability.
2.Full-Process Functional Testing：Each unit undergoes characteristic tests, communication tests, withstand voltage tests, and temperature rise tests.
3.Eco-Friendly Material Application：Enclosure made of flame-retardant recyclable materials; internal metal parts use lead-free environmental processes.
4.Quality Traceability System：Barcode management enables full-process traceability from raw materials to finished products.

Innovation Highlights

1.Adaptive Ambient Temperature Compensation：Electronic trip unit includes temperature sensors to automatically compensate for ambient temperature effects on protection characteristics.
2.Dual Redundant Communication Interfaces：Supports primary and backup communication channels to enhance reliability in critical applications.
3.Contact Condition Monitoring：Optional contact wear sensors for real-time monitoring and replacement cycle warnings.
4.User-Friendly Interface：Equipped with LCD display and keypad, supports multi-level menus, parameter setting, and event query.

Supply Chain Advantages

1.Core Component Self-Supply：Stable supply chain for key electronic components and protection chips ensures continuous availability.
2.Multi-Region Collaborative Production System：Production bases in East and South China enable flexible capacity allocation and controllable delivery cycles.
3.Global Spare Parts Warehouse Network：Spare parts stocked in key export markets for quick supply and localized service.
4.Flexible Order Response Mechanism：Supports small-batch customization, special function configurations, and OEM services.

Contact us

Following more than ten years of strategic development, Jinhand has established itself as one of the prominent manufacturers and suppliers of electrical equipment in China. Our factory integrates various advanced technologies and facilities, and we encourage you to order our premium, cost-efficient China-made products.