PUTAI ELECTRICAL INSULATION

SOLUTIONS

The ZN63(VS1)-12 series vacuum circuit breaker is a high-voltage indoor switchgear designed for 11kV/12kV rated voltage and three-phase AC 50Hz electrical systems. It is widely used in industrial, mining, power plants, and substations for control and protection of electrical facilities. The device is designed in a drawer-type configuration, which can be used as a fixed installation unit or combined with a dedicated push mechanism for a drawer unit, catering to various installation and usage needs. The vacuum circuit breaker is known for its high reliability, durability, and low maintenance, making it especially suitable for environments requiring frequent operations.

GN27-40.5 Indoor High Voltage Disconnector is a new generation product designed to replace legacy equipment. It is suitable for rated voltage 40.5kV, 50Hz AC power systems to make or break circuits under voltage without load conditions. This disconnector can be used in conjunction with high voltage switchgear cabinets or independently, equipped with CS6-2 operating mechanism. Featuring reinforced insulation design, it meets operational requirements for Class II pollution environments.

The SRM6-12 SF6 Gas Insulated Fully Enclosed Ring Network Switchgear is a metal-clad, SF6 gas-insulated switchgear with a modular unit design. It consists of two main categories: fixed units and expandable units. The equipment can be composed of modules such as load switch units, load switch-fuse combination units, vacuum circuit breaker units, and busbar incoming units.

FLN36-12D, FLRN36-12D indoor AC high-voltage sulfur hexafluoride load switch, load switch-fuse combination electrical appliances and cable-mounted load switch are our company's digestion and absorption of foreign advanced technologies. Combined with my country's operating requirements, the product is designed and developed by ourselves.

This 12kV embedded pole is designed for high-voltage switchgear, transformers, and power systems, excelling in applications that require high voltage withstand and high current capacity. With multiple rated current options (630A, 1250A, and 1600A), it offers robust short-circuit withstand capability, including short-circuit breaking currents of 25kA and 31.5kA. Its short-time withstand current reaches up to 31.5kA, ensuring reliable performance even under extreme conditions.

The CH series 12kV epoxy resin contact boxes are precision-molded insulation components designed for medium-voltage switchgear systems. With rated currents ranging from 630A to 4000A, and high withstand levels of 42kV/1min power frequency and 75kV lightning impulse, these components ensure safe and reliable current transmission.

The TG series wall bushings are engineered to provide a fully insulated passage for conductors through the metal enclosures of medium-voltage switchgear and substations. Manufactured from high-strength epoxy resin, they combine superior dielectric resistance and mechanical robustness to ensure safe, reliable operation even under harsh environmental and thermal conditions.

The ZJ series 12kV post insulators are designed to ensure stable electrical insulation and mechanical support in medium-voltage systems. Manufactured from high-quality epoxy resin, they provide superior dielectric strength, long creepage distances, and excellent resistance to electrical and environmental stress.

The FHY5C-10C puncture-type air-gap surge arrester combines a precision-engineered zinc oxide varistor with an external air-gap spark path to deliver reliable overvoltage protection in 10 kV distribution networks. Its innovative puncture mounting allows direct installation on live lines without specialized tools, speeding deployment and reducing labor costs.

The 35 kV fully insulated surge arrester for switchgear offers a compact, all-enclosed solution tailored to modern metal-enclosed switchgear systems. Its fully insulated housing removes external air gaps, significantly improving resistance to pollution, moisture, and arc-flash events.

The umbrella-skirt surge arrester series offers a customizable solution for medium-voltage protection by varying the number of polymer skirts from three to eight. Each additional skirt increases creepage distance and contamination tolerance, ensuring reliable performance across a wide range of environmental conditions without compromising compactness.

The RW12(F)/RW7/HRW7/PRWG2/HPRWG2/RW5/HRW5 series drop-out fuses provide versatile overcurrent protection and load isolation for medium-voltage networks ranging from 10 kV to 35 kV. Each model features a clear visual dropout mechanism and a compact, standardized design that integrates easily into a variety of switchgear and transformer configurations.

The 10KV European-style front connector is a high-voltage cable plug head designed for connecting switchgear outgoing line bushings and cable branch box wall bushings. This product connects single-phase or three-phase insulated cables to transformers, switchgear, branch boxes, and other equipment through a 630A prefabricated connector, providing a reliable and safe insulated circuit for power systems.

The 35KV rear surge arrester provides reliable over-voltage protection for high-voltage electrical equipment. Its core component uses zinc oxide resistors, which significantly improve the volt-ampere characteristics compared to traditional silicon carbide surge arresters, enhancing the ability to absorb and discharge overvoltage.

The 200A elbow-type surge arrester is widely used in American-style transformer boxes, branch boxes, underground transformers, switchgear, and other electrical equipment. This surge arrester is specifically designed for installation in 200A load-break connectors, providing effective overvoltage protection and significantly extending the lifespan of the equipment by preventing damage caused by overvoltage. Its excellent performance makes it an essential safety component in high-voltage power systems.

The 200A American elbow-type plug head is widely used in power systems, particularly in American-style distribution systems, as a key component for electrical equipment connection. With its high rated current and voltage withstand capabilities, it can handle extreme electrical environments and provide effective overvoltage protection, ensuring the safety and stability of the system.

The LZZBJ15-12 current transformer is a 12kV indoor single-phase device utilizing epoxy resin casting insulation. Its fully enclosed support structure encapsulates the primary and secondary windings, along with the annular magnetic core, within a solid epoxy body. This design ensures excellent electrical insulation, mechanical strength, and long-term operational stability in medium-voltage systems.

The JDZ-12Q and JDZJ-12Q are 12kV indoor single-phase epoxy resin voltage transformers featuring epoxy resin casting and double-pole insulated design. These voltage transformers are primarily used within indoor switchgear cabinets for voltage measurement, electric energy metering, and protective relaying in single-phase or three-phase AC circuits operating at 50Hz or 60Hz.

The LDZC-10 Phase-Sequence Through-Core Current Transformer features fully enclosed secondary windings within flame-retardant plastic shells. Its primary bushing or cable passes conveniently through the inner hole, while the bottom includes installation inserts for secure and straightforward fixation. This compact and efficient design is ideal for current measurement, signal collection, and protective relaying within medium voltage cable power systems.

The JSZY18-24RJ Voltage Transformer features a fully enclosed epoxy resin casting insulation structure, where the primary winding, secondary winding, and annular core are completely embedded in resin. This construction ensures excellent resistance to dirt and moisture. The transformer is also equipped with an elbow-type plug that enhances environmental sealing and facilitates easier installation in compact switchgear systems.