PUTAI ELECTRICAL INSULATION

SOLUTIONS

The CH3-12KV/150 630–1250A contact box is molded from high-strength epoxy resin, rated for 12 kV voltage and 630–1250 A current. It withstands short-time currents of 25 kA for 4 s and peak currents of 63 kA, with outstanding insulation levels of 42 kV (1 min power-frequency withstand) and 75 kV (lightning impulse withstand). With an IP67 protection rating and an ambient temperature range of –40 ℃ to +40 ℃, it offers robust defense against moisture, dust, and corrosive agents, guaranteeing safe and reliable operation.

The CH3‑12KV/180 1250A contact box is molded in one piece from high-strength epoxy resin, rated for 12 kV voltage and 1250 A current. It withstands short-time currents of 31.5 kA for 4 s and peak currents of 80 kA. With insulation levels of 42 kV (1 min power-frequency withstand) and 75 kV (lightning impulse withstand), it performs reliably in ambient temperatures from –40 ℃ to +40 ℃. The IP67-rated enclosure offers full dust and water protection, ensuring safe and dependable operation even in harsh outdoor environments.

The CH3‑12KV/180 1250A (Large Aperture) contact box features a generous cable-entry opening for swift installation of multi‑core or large‑diameter cables. Molded in one piece from epoxy resin, it is rated for 12 kV voltage and 1250 A current, withstands 31.5 kA/4 s short‑time currents and 80 kA peak currents, and its IP67 enclosure ensures dust‑ and water‑tight performance in ambient temperatures from –40 ℃ to +40 ℃.

The CH3‑12KV/190 1600A contact box is molded in one piece from epoxy resin, rated for 12 kV voltage and 1600 A current. It withstands short‑time currents of 40 kA for 4 s and peak currents of 100 kA. The IP67‑rated enclosure provides full dust and water protection, ensuring reliable long‑term performance in demanding outdoor conditions.

The ZN63(VS1)-12 series vacuum circuit breaker is a high-voltage indoor switchgear designed for 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.

The ZN63(VS1)-12 series indoor side-mounted high-voltage vacuum circuit breaker is a high-voltage switching device suitable for three-phase power systems with a rated voltage of 12kV and a frequency of 50Hz. It is mainly used for protection and control, especially in environments requiring frequent operations at rated currents or multiple short-circuit breaking operations. This series features a fixed installation design, suitable for fixed switchgear, and can be used independently or in ring network power supply, box transformers, or various non-standard power systems.

The ZN85-40.5 series indoor high-voltage vacuum circuit breaker (hereinafter referred to as the circuit breaker) is suitable for three-phase AC 50Hz power systems with a rated voltage of 40.5kV. It can be used in industrial and mining enterprises, power plants, and substations for switching load currents, overload currents, and fault currents. The circuit breaker and operating mechanism adopt a vertical arrangement structure, effectively reducing the depth of the circuit breaker.

The ZW32-12 outdoor vacuum circuit breaker is designed for power systems with a rated voltage of 12kV and a frequency of 50Hz. It is mainly used to break and close load currents, overload currents, and short-circuit currents in the power system. This circuit breaker is ideal for use in substations and industrial distribution systems, as well as in rural power grids and areas requiring frequent operations.

The TG3‑12KV/128 (100×100) Wall Bushing is designed for 12 kV medium-voltage systems, supporting a rated current of 630–1250A. It offers a power frequency withstand voltage of 48 kV for 1 minute and a lightning impulse withstand voltage of 75 kV. With composite insulation made of epoxy resin and silicone rubber, it delivers excellent insulation and environmental adaptability.

The TG3‑12KV/155 (125×125) Wall Bushing is engineered for high-current applications in 12 kV systems, with a rated current range of 1250–1600A. It offers a power frequency withstand voltage of 48 kV for 1 minute and a lightning impulse withstand voltage of 85 kV. Constructed with composite insulation of epoxy resin and a copper shielding layer, it ensures excellent electrical performance and enhanced electromagnetic shielding.

The TG3‑12KV/110×180 Wall Bushing is designed for 12 kV medium-voltage systems, with a rated current range of 1600–2000A. It offers a power frequency withstand voltage of 42 kV for 1 minute and a lightning impulse withstand voltage of 95 kV.

The TG3‑12KV/110×180×230 Wall Bushing is designed for high-current applications in 12 kV medium-voltage systems, with a rated current range of 2000–3150A. It features a power frequency withstand voltage of 45 kV for 1 minute and a lightning impulse withstand voltage of 105 kV.

The 12kV Center Distance 205mm Embedded Pole is a high-performance insulation component designed for medium-voltage switchgear. Utilizing advanced solid-sealing technology, it integrates the vacuum interrupter with epoxy resin through a one-shot molding process, significantly enhancing mechanical strength and environmental resistance.

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.

This 12kV high current embedded pole (old design) is specifically designed for high-current applications in 12kV switchgear and power systems. With multiple rated current options (2500A, 3150A, 4000A), it can handle short-circuit breaking currents of up to 31.5kA and 40kA, ensuring stable system performance under extreme conditions. The short-time withstand current can reach up to 40kA, meeting higher electrical load requirements.

This 12kV high current embedded pole (new design) is specifically designed for high current and heavy load applications in high-voltage switchgear and power systems. The product offers a rated current of 2500A and can handle short-circuit breaking currents of up to 31.5kA and 40kA, ensuring stable operation under high current conditions.

The ZJ-12KV Series Post Insulators are made from epoxy resin, designed for 12kV power systems. They are widely used in indoor switchgear, circuit breakers, isolators, and medium voltage switchgear. This series offers excellent voltage resistance performance, with power frequency withstand voltage ranging from 38kV to 42kV and lightning impulse withstand voltage from 75kV to 85kV, effectively preventing insulation failure under high voltage conditions.

The ZJ-24KV Series Post Insulators are made from epoxy resin, designed for 24kV power systems. This series is suitable for high voltage breakers, medium voltage equipment, GIS, and outdoor switches. With a power frequency withstand voltage of 65kV and lightning impulse withstand voltage of 125kV, these insulators effectively protect against high voltage impacts and lightning strikes in power systems.

The ZJ-35KV Series Post Insulators, made from epoxy resin, are designed for 35kV power systems. This series is suitable for high voltage equipment and outdoor isolators, offering excellent high voltage resistance. With a power frequency withstand voltage of 95kV and lightning impulse withstand voltage of 185kV, these insulators provide reliable protection in extreme conditions.

The 12KV Integrated Insulator, made from epoxy resin, is designed for 12kV power systems and is suitable for applications such as Ring Main Units and Gas-insulated Switchgear. It features excellent insulation performance, withstanding power frequency voltage of 38kV and lightning impulse voltage of 75kV to ensure stable operation in high-voltage environments.