Intelligent Universal Circuit Breaker Manufacturer

The DZ47LE series leakage circuit breakers feature a comprehensive structure, reliable performance, high breaking capacity, and an attractive and compact appearance. The housing and main components are constructed of impact-resistant, highly flame-retardant materials. They are suitable for applications operating at 50Hz or 60Hz AC, with a rated operating voltage of 400V and below, and a rated current of 6A to 63A.

Applications and Features
The DZ47LE-63 standard miniature leakage circuit breaker is a ground fault protection device with a wide range of applications. It offers various operating levels, such as 30mA and 50mA, to meet diverse protection needs. The use of a fog-sequence current transformer and integrated amplifier circuit ensures high sensitivity, enabling detection of ground fault currents, significantly reducing the risk of fire and electric shock. The DZ47LE-63 standard miniature leakage circuit breaker provides:
Provides personal protection against indirect contact
Provides supplementary personal protection against direct contact
Provides protection against insulation failures in electrical equipment

DZ47 series miniature circuit breaker accessories are suitable for low-voltage terminal distribution systems to ensure circuit safety, prevent overload and short circuit, and achieve effective circuit control and protection.

Applications and Features
Suitable for low-voltage terminal distribution in residential, industrial, and construction applications. It provides overload, short-circuit protection and control, and isolation. It can simultaneously disconnect both the phase and neutral lines, but does not protect the neutral line.

The CHQ3-63/CHQ1/CHQ1Y series dual-source automatic transfer switches (CB class) feature integrated circuit breakers, providing comprehensive circuit protection.

With their compact design and easy installation, they are suitable for a variety of industrial and commercial environments. The automatic transfer function ensures seamless transfer to the backup power source in the event of a primary power failure, ensuring power continuity.

These products offer high reliability and a long service life, reducing maintenance costs. Their modular design facilitates expansion and upgrades to meet diverse user needs. The CHQ series switches are an ideal choice for enhancing power system safety and stability.

The CHQ2 series dual-power automatic transfer switch (PC class) is an electrical device designed to improve switching performance and enhance short-circuit current withstand capability.

Offering high reliability and stability, it automatically switches to a backup power source in the event of a primary power failure, ensuring power continuity and safety. Its compact design and easy installation make it suitable for a variety of industrial and commercial environments. The CHQ2 series offers both manual and automatic operation modes, allowing users to choose the right one based on their specific needs.

Our PC-grade dual-power automatic transfer switch complies with multiple international standards, ensuring its wide applicability and excellent performance in diverse application scenarios.

The HD and HS series knife switches (hereinafter referred to as switches) are suitable for use in power distribution systems operating at 50 Hz, with a rated operating voltage up to 690 V and a rated operating current up to 3000 A. They are used for infrequent manual circuit connection and disconnection, or as disconnectors.

The HD and HS series knife switches offer a compact design and flexible mounting options, allowing for vertical or horizontal installation, facilitating optimized layout within distribution cabinets. The blades maintain close contact, ensuring excellent conductivity and minimizing energy loss.

These switches offer excellent mechanical strength and thermal stability, making them suitable for industrial, commercial, and building power distribution systems, effectively enhancing the safety and reliability of electrical systems.

The HR3/HR3BX series fuse-type knife switches are electrical devices that combine the functions of a fuse and a knife switch, primarily used in power distribution systems. They provide overload and short-circuit protection while allowing manual operation to connect and disconnect the circuit.

Key Features
- Fuse Protection: A built-in fuse automatically disconnects the circuit when the current exceeds the rated value, protecting it from overload and short-circuit damage.
- Knife Switch Operation: Manual operation of the knife switch allows for convenient connection and disconnection, making it suitable for applications requiring frequent operation.
- Applications for Power Distribution Systems: Designed for use in power distribution systems, they can be used in conjunction with other electrical components to form a complete power distribution system.
- High Reliability: Compact design, reliable operation, and stable operation in a variety of environments.

Application Scenarios
- Industrial Power Distribution Systems: Used to control and protect equipment such as motors and transformers in industrial environments such as factories and workshops.
- Commercial Building Power Distribution: Used in commercial buildings like shopping malls and office buildings to control electrical equipment such as lighting and air conditioning.
- Residential Power Distribution: Used in residential communities to control household electrical appliances and provide safety protection.

The HH15 series offers high thermal and dynamic stability, and its housing is constructed of flame-retardant material to effectively prevent fire hazards. The operating handle features an interlock function to prevent accidental operation and ensure safety.

Primarily used as a manual, unattended main switch or master switch in power distribution circuits with high short-circuit currents and low power factors.

The HH15(QSA)/QP/QA series disconnectors integrate isolation, control, and protection functions, effectively isolating power and enabling safe maintenance. Built-in high-performance fuses provide reliable current limiting, effectively reducing the impact of short-circuit currents on equipment.

The compact design features a double- or multi-break contact system with wide contact spacing, ensuring standard clearance and creepage distances, enhancing electrical safety. A clear disconnect position indicator helps maintenance personnel confirm the isolation status.

Flexible mounting options allow for front- or rear-panel installation to meet the requirements of various cabinet structures. Suitable for power isolation and short-circuit protection in industrial and mining enterprises, building power plants, commercial buildings, and various types of complete power distribution equipment.

The HR5/HR6 series power supply and distribution circuit fused disconnect switches are protective devices designed specifically for electrical equipment and are widely used in various industrial and commercial environments. Their primary purpose is to ensure the safe operation of electrical circuits by quickly disconnecting power in the event of a short circuit or overload, thereby preventing equipment damage and fire risks.

Features of these disconnect switches include:

1. High Reliability: Utilizing high-quality materials and advanced manufacturing processes, they ensure stable operation in a variety of environments.

2. Fast Response: A fast-acting fuse mechanism rapidly disconnects the circuit in the event of abnormal current flow, minimizing damage to equipment.

3. Easy Installation and Maintenance: The compact design allows for easy installation and facilitates routine inspection and maintenance, reducing maintenance costs.

4. Versatility: Suitable for a variety of voltage and current levels, they meet the needs of diverse electrical systems.

5. Safety: Compliant with international safety standards, they provide reliable protection even under extreme conditions.

Our HR5/HR6 series fuse disconnect switches are indispensable safety components in electrical systems. Their efficient and reliable performance makes them an ideal choice for protecting the safety of electrical equipment and personnel.

The HR17B series fuse-type disconnect switches are designed for load operation and are suitable for rated currents from 40A to 1600A. They are available in 1-, 2-, 3-, and 4-group configurations.

The HR17B series fuse-type disconnect switches, with their wide current range and flexible configuration options, are essential safety components in electrical systems. These disconnect switches can isolate circuits without disconnecting power, while also enabling quick disconnection for maintenance or troubleshooting when necessary, significantly enhancing the flexibility and safety of electrical systems.

Because they can operate at various current levels, the HR17B series fuse-type disconnect switches are suitable for a wide variety of industrial and commercial applications, including but not limited to power distribution, machine control, and building electrical systems. These disconnect switches are also designed for ease of operation and maintenance, making them user-friendly.

Whether operating in single-phase or three-phase systems, the HR17B series provides reliable isolation and protection, ensuring stable circuit operation under various operating conditions.

The CHH5 series disconnect switches are electrical devices used for circuit protection and control, available in a variety of models to meet diverse application requirements. These disconnect switches are compact and easy to operate, suitable for a wide range of voltage levels and current capacities.

Their primary function is to ensure the safe disconnection of circuits during maintenance or overhaul, preventing accidental energization. CHH5 series disconnect switches are typically equipped with manual or motorized operating mechanisms, enabling fast and reliable switching.

These disconnect switches also feature excellent insulation performance and mechanical strength, enabling stable operation in harsh environments. Their structural design incorporates ease of maintenance, facilitating regular inspection and component replacement, thereby extending their service life.

The CHH5 series disconnect switches are widely used in industrial, commercial, and residential electrical systems and are essential components for ensuring safe power system operation.

The HL30 Series miniature isolating switch is a compact and practical circuit management tool. Its simple design, featuring a white housing and a red operating handle, is both eye-catching and easy to operate. This switch is primarily used to connect and disconnect circuits, conveniently shutting off power for maintenance or safety reasons.

This isolating switch can handle a maximum current of 100 amperes, with a standard operating current of 63A. It is suitable for most homes and small businesses, meeting everyday circuit control needs.

The HL30 Series miniature isolating switch acts as a safety valve for circuits, easily disconnecting power when needed, protecting circuits and electrical equipment from damage and ensuring safe electrical use. Its ease of operation makes it an indispensable component of electrical systems in homes and small businesses.

The LMZJ1 series instrument transformers are renowned for their compact design and practicality, making them particularly suitable for space-constrained power system environments. Their sophisticated design facilitates installation and maintenance, allowing them to be easily fixed to distribution boards and accommodate various mounting configurations, whether vertical or horizontal.

The heat-resistant red housing not only enhances reliability in high-temperature environments but also helps protect the equipment from environmental hazards. Furthermore, the LMZJ1 series instrument transformers' precise measurement capabilities are crucial for power system monitoring, providing accurate current data and ensuring safe operation.

The safety and compatibility of these instrument transformers have also been meticulously designed to ensure seamless integration with existing power systems and equipment, eliminating the need for major retrofits. With its high efficiency, low cost, and environmental adaptability, the LMZJ1 series instrument transformers are an ideal choice for power system measurement and protection.