Transformer accessories
TNNPI No Load Tap Changer 1.25-2.5% Step Voltage 36 kV for Medium Voltage Transformers
TNNPI tap changer for medium voltage transformers up to 36 kV. Features 1.25-2.5% step voltage, over 5,000 operations electrical life, and compliance with IEC 60214 and IEEE C57.131. Available in oil immersed or vacuum insulation, motor-driven or manual control. Customizable for diverse applications.
TNNPI On Load Tap Changer 5 to 33 Steps 2000 A for Transformer Voltage Regulation
TNNPI tap changer for precise voltage regulation in transformers up to 36 kV. Features 5-33 steps, 2000 A rating, oil or vacuum insulation, and oil natural or forced air cooling. CE and ISO certified. Customizable with motor or manual control. Ideal for substations and industrial plants.
TNNPI 36kV Pad Mounted Transformer Accessories with Buchholz Relay and Gas Relay QJ4-50-TH
IEC60076 compliant transformer accessories with H-class insulation, ONAN cooling, and connection sizes DN25-DN80. Includes in-stock Buchholz relay and gas relay QJ4-50-TH for fault protection. CE/ISO certified, operates from -40°C to 85°C, with 1-year warranty.
TNNPI ONAN Transformer Accessories CE Certified HV Li AC 75 35 LV 0 3 for Power Distribution
Robust transformer accessories with ONAN cooling, rated up to 36kV. Features high insulation levels (HV Li/AC 75/35, LV 0/3) and operates from -40°C to 85°C. ISO9001, CE, RoHS certified. Ideal for outdoor pad-mount transformers, ensuring reliable protection and easy maintenance.
TNNPI On Load Tap Changer 2000A 33 Steps IEC 60214 Compliant for Power Transformer Voltage Regulation
CE and ISO certified on load tap changer with oil immersed or vacuum insulation. Supports motor-driven or manual control, oil natural or forced air cooling. Customizable from 5 to 33 taps for precise voltage regulation in power transformers.
TNNPI Transformer Accessories IP20-IP65 Protection 4-8% Impedance ISO9001 CE 36kV
TNNPI transformer accessories offer IP20 to IP65 protection, 4-8% impedance, and ONAN cooling. Certified ISO9001, CE, RoHS, and IEC60076 compliant. Ideal for pad-mounted transformers, including bushings, relays, and cable terminators. Custom options available for reliable power distribution.
TNNPI Gas Relay QJ4-50-TH Buchholz Relay 36kV Insulation H.V. Li/AC 75/35 L.V. 0/3 DN50
High-grade insulating materials ensure durability and safety. Customizable impedance 4%-8%. Operates from -40°C to 85°C. ONAN cooling compatible. Enclosure-mounted for easy installation. CE, ISO, RoHS certified. Ideal for power distribution systems.
66kV Porcelain Bushing for Medium Voltage Power Equipment Robust Electrical Insulator Part
IEC/ANSI/IEEE compliant porcelain bushing rated up to 66kV. Features H-class insulation, wide -40°C to 85°C range, and pad/pole mounting. Ideal for MV transformers, substations, and power plants. Custom colors and connection sizes available.
Transformer Accessories 36kV 66kV Voltage Rating Three Phase Power Distribution System Parts
Engineered for three-phase transformers up to 66kV, these accessories comply with IEC, ANSI, and IEEE standards. Features include IP00/IP21 protection, ONAN/ONAF/OFAF cooling, and customizable options. Includes high-voltage bushings for reliable power distribution.
Three Phase Transformer Bushing 66kV Voltage Rating IEC Standard Porcelain Insulator
High-voltage transformer bushing rated up to 66kV, designed for three-phase power distribution. Features IP00/IP21 protection, DN25-DN80 connections, and -40°C to 85°C operation. IEC compliant, customizable, and built for durability in industrial networks.
On-Load Tap Changer 1000A 40kV IEC 60214 Motor-Driven or Manual 200000 Operations
This On-Load Tap Changer (OLTC) ensures reliable voltage regulation in power transformers. With a 1000A current rating, 40kV voltage, and 200,000 mechanical operations, it offers exceptional durability. Compliant with IEC 60214, it features motor-driven or manual operation, oil-immersed insulation, and ONAN cooling for stable performance in demanding environments.
IEC 60214 On-Load Tap Changer 1000A 40kV Motor Driven ONAN Cooling -40°C to +85°C
Compliant with IEC 60214, this motor-driven on-load tap changer ensures precise transformer voltage regulation. Features ONAN cooling, 1000A rating, and wide -40°C to +85°C operating range. Durable oil-immersed design with up to 200,000 operations. Ideal for power plants and substations.
TNNPI DN25 Transformer Accessories Buchholz Relay 4-8% Impedance CE ISO
High-grade insulating materials with enclosure mounted design for easy installation. Customizable impedance 4-8% and DN25 connection size. Rated H.V. Li/AC 75/35, L.V. 0/3. Compatible with elmek Buchholz relay. CE and ISO certified. In stock, 7-day delivery.
TNNPI On Load Tap Changer 5 to 33 Steps IEEE C57.131 Compliant 36 kV 250 A
TNNPI OLTC for power transformers ensures precise voltage regulation with tap step voltage 1.25% to 2.5%. Complies with IEC 60214 and IEEE C57.131. Supports oil immersed or vacuum insulation, automatic or manual control, and operates from -40°C to +55°C. Customizable for 3 phase 415v transformers. CE and ISO certified.
TNNPI On Load Tap Changer 2000A 36kV for Transformer Voltage Regulation
CE/ISO certified on load tap changer for 11kV to 36kV transformers. Rated 2000A, supports oil/forced air cooling. Features intelligent controller CZK100AT for real-time monitoring. Customizable, 10,000+ operations mechanical life. Ideal for substations, renewables, and industrial power grids.