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Open-type current transformer core
Closed Zero-Sequence Current Transformer Series
PCB Pin-Type Miniature Current Transformer
Designed for PCB integration with pin-type mounting, compact in size and suitable for high-density PCB layouts. Provides accurate current sensing and electrical isolation, widely used in switching power supplies, motor drives, and energy monitoring systems, delivering stable and reliable performance.
Busbar-Integrated Miniature Current Transformer
The Busbar-Integrated Miniature Current Transformer is designed for busway and switchgear applications, featuring a compact structure that mounts directly into the busbar without requiring external space. With a high‑precision silicon steel/nanocrystalline composite core, it delivers accurate current monitoring and reliable electrical isolation, suitable for power distribution, energy metering, and industrial control systems.
Base-Mounted Miniature Current Transformer
Featuring a standard base-mounted structure, compact size, and secure installation. Equipped with a high-precision magnetic core, it supports a wide current range and is suitable for current monitoring and protection in distribution cabinets, meter boxes, and industrial control panels, offering convenient wiring and reliable performance.
Miniature Precision Voltage Transformer
Utilizes high-stability magnetic cores and precision winding technology to achieve accurate voltage conversion and isolation in a compact size. Suitable for energy metering, relay protection, and precision instrument power supply, it offers excellent temperature characteristics and long-term stability, meeting demanding industrial and laboratory requirements.
Residual Current Transformer (RCT) - Solid-Core Type
Through-Hole Current Transformer is designed for cable circuit applications, featuring compact structure and flexible installation. With bore diameters ranging from 30mm to 200mm, it accommodates main circuit currents from 63A to 2000A. The product offers accuracy classes from 0.2 to 1, meeting the latest national standards for balance characteristics. Unbalanced current output can be as low as 3mA, significantly reducing false alarms caused by magnetic interference. The full series complies wit
CTKY Series Circular Split-Core Residual Current Transformer (RCT)
Features a snap-open design for tool-free installation in confined spaces. Equipped with a nanocrystalline core for high sensitivity and low temperature drift, suitable for leakage current monitoring and protection in power distribution systems, charging piles, and photovoltaic systems, with tamper-proof and moisture-resistant housing.
ZH-CTK Series Rectangular Split-Core Residual Current Transformer
Features a rectangular split-core design for easy installation without power interruption on existing busbars or cables. Equipped with a nanocrystalline core for high accuracy and low temperature drift. The housing is made of flame-retardant ABS material, suitable for residual current monitoring and fault protection in power distribution systems, charging facilities, and industrial applications.
ZH-CTK Circular Split-Core Residual Current Transformer (RCT)
Featuring a circular snap-open/snap-close structure, it supports live-line rapid installation without disassembling busbars or cables. Equipped with a high-sensitivity nanocrystalline core, full epoxy resin encapsulation, and a flame-retardant ABS housing, it is suitable for residual current monitoring and ground fault protection in photovoltaic systems, charging piles, and power distribution systems.
Outdoor Waterproof Split-Core Current Transformer
This outdoor waterproof current transformer features integrated sealing and modular design, effectively resolving accuracy degradation caused by magnetic core oxidation in split-core structures. It supports flexible addition of functional modules. With IP67 protection, wide current range, and V0 flame-retardant rating, it is suitable for high-precision current monitoring in harsh outdoor environments.
ZH- IP67 Waterproof Split-Core Current Transformer
This series of waterproof split-core current transformers is designed for precise current measurement in harsh environments, such as outdoor, humid, or dusty industrial settings. Featuring an integrally sealed construction and high-strength flame-retardant enclosure, it achieves an IP67 protection rating, effectively preventing ingress of water and dust. The unique split-core design enables safe installation without power interruption, significantly improving retrofit and maintenance efficiency.
Split-Core Current Transformer
Featuring an innovative clamp-integrated design, this product allows quick installation without power interruption, offering a structure that is simpler than traditional C-type cores and ensuring safe, user-friendly operation. The core utilizes nanocrystalline material, delivering higher measurement accuracy and superior magnetic permeability. With energy-saving and eco-friendly characteristics, the product holds broad market potential in fields such as energy management and industrial monitorin
ZH-JCT Series - Split-Core Current Transformer
The ZH-JCT Series Split-Core Current Transformer features an open-core design for easy installation and removal without disconnecting cables. It is widely used for current measurement and protection in electricity meters, AC motors, lighting, HVAC systems, and building energy management.
ZH-JCTK Series - Split-Core Current Transformer
Designed for split-core (clamp-on) current transformers, this product is manufactured from high-permeability, low-loss premium soft magnetic material and features a precision split-core structure. It allows easy clamp-on installation without interrupting the measured conductor, enabling efficient online current monitoring and measurement. With excellent initial permeability and favorable saturation characteristics, it ensures high linearity and measurement accuracy across a wide current range. T
ZH Series Ring Main Unit (RMU) Series - Split-Core Current Transformer
The open-core current transformer is suitable for current measurement and microprocessor-based protection in AC power systems up to 35kV. Featuring a split-core design, the product is compact, lightweight, and easy to open and close, making it particularly ideal for use in compact fully-insulated ring main units. It can be directly clamped onto installed cables for quick and simple installation. The core is made of high-permeability imported silicon steel with low magnetic loss, while the windin
Split-Core Current Transformer
The open-core current transformer is designed for effortless installation. Its split-core structure eliminates the need to disconnect cables or busbars, or dismantle existing electrical connections during installation. Compared to traditional current transformers that require conductors to be threaded through the core or connected to primary terminals, the open-core type simply requires opening the core and clamping it onto the conductor, allowing installation without power interruption or syste
Common mode inductor winding products
Common mode inductor nanocrystalline magnetic cores are the core components of electromagnetic elements based on nanocrystalline soft magnetic materials. Nanocrystalline materials are formed by annealing and crystallization amorphous alloys.
EMC Uses Common Mode Magnetic Cores
For most power supplies such as switching power supplies and high-frequency inverters, electromagnetic compatibility (anti-EMI interference) issues are encountered. Common mode inductors made with common mode cores wound with nanocrystals have effectively solved the problems in this regard.
High-frequency and high-impedance common mode inductor
High-frequency and high-resistance common mode inductor nanocrystalline magnetic core: Optimized for high-frequency scenarios, with a frequency response covering DC-200 MHZ, stronger anti-interference ability, lower loss, and a saturation magnetic induction intensity of up to 1.2T. Specifically designed for high-frequency systems such as 5G equipment and new energy vehicle electronic control, it enhances anti-interference efficiency and stability.
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