Filter through our complete catalog of IEC 61869-3 & IEEE C57.13 compliant instrument transformers (0.5kV to 35kV): Cast Epoxy Resin Dry-Type Voltage Transformers (VT/PT), Current Transformers (CT) and Combined CT+VT units.
LKZB-Φ100 to Φ250 10kV Outdoor Three-Phase Integrated Current Transformer with Zero-Sequence for Pole-Mounted Circuit Breaker
Split-core zero sequence current transformer specially designed for 6kV-35kV indoor cable head outlets. Can be installed without power interruption - split into two halves and bolted together. Rated frequency 50Hz or 60Hz. Inner diameter range Φ100 to Φ250, suitable for various cable sizes. Compliant with IEC 61869 and GB/T 20840 standards. Hot-line installation capability saves downtime and maintenance cost. Epoxy resin cast construction, reliable performance.
Indoor Three-phase Epoxy Resin Casting Voltage Transformer
Indoor three-phase epoxy resin casting voltage transformer complying with GB/T20840.1/3 and IEC61869-1/3 standards; rated insulation level 24/65/125kV, rated frequency 50/60Hz; product weight:86kg; ambient operating temperature -5℃~+40℃, multiple optional accuracy grades.
Outdoor Three-phase Silicone Rubber Voltage Transformer 6kV with Fuse
Outdoor three-phase silicone rubber composite insulation voltage transformer, 6kV rated, with primary fuse, for voltage measurement and protection in three-phase power distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Silicone rubber construction, excellent weather resistance, anti-UV, anti-pollution, suitable for harsh outdoor environments. Accuracy classes: 0.2, 0.5, 3P. Customizable ratios and specifications.
Indoor Single-phase Epoxy Resin Casting Voltage Transformer
Indoor single-phase epoxy resin casting voltage transformer complying with GB/T20840.1/3 and IEC61869-1/3 standards; rated insulation level 7.2/32/60kV, rated voltage ratio 6/0.1/0.22kV, rated frequency 50/60Hz; accuracy class rated output:20VA(0.2),40VA(0.5),60VA(1.0); maximum power output 500VA; product weight:31kg; ambient operating temperature -5℃~+40℃.
Indoor Single-phase Epoxy Resin Casting Voltage Transformer
Indoor single-phase epoxy resin casting voltage transformer complying with GB/T20840.1/3 and IEC61869-1/3 standards; rated insulation level 7.2/32/60kV, rated voltage ratio 6/0.1kV, rated frequency 50/60Hz; accuracy class rated output:30VA(0.2),60VA(0.5),100VA(1.0); limiting thermal output of secondary winding 600VA; product weight:31kg; ambient operating temperature -5℃~+40℃.
Indoor Single-phase Fuse-built-in Metal Armoured Insulation-separated Voltage Transformer
Insulation-separated indoor VT with built-in fuse, meets GB/T20840.1/3 & IEC61869-1/3; insulation level24/65/125kV, matched XRNP□-24 fuse 0.5A 50kA.
Indoor Single-phase Epoxy Cast Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, rated insulation level 12/42/75kV, 50/60Hz, secondary current 5A/1A. Optional primary current ranges:15-200A、250-300A、400-630A; accuracy combinations of 0.2S/0.2S、0.2S/0.5S、0.5S/5P10, rated output:0.2S 10VA、0.5S 10VA、5P10 15VA. Corresponding thermal/dynamic current parameters, net weight 15kg, operating temperature -5℃~+40℃.
Indoor Single-phase Epoxy Cast Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, rated insulation level 12/42/75kV, 50/60Hz, secondary current 5A/1A. Optional primary current ranges:20-150A、200A、300A、400A、500A、600-800A; accuracy combinations of 0.2S/0.2S、0.2S/0.5S、0.2S/510P10 with rated output 15VA for each accuracy class. Matched thermal and dynamic withstand parameters for different specifications, net weight 15kg, operating temperature -5℃~+40℃.
Indoor Single-phase Epoxy Cast Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, rated insulation level 12/42/75kV, 50/60Hz, secondary current 5A/1A. Optional primary current ranges:20-200A、300A、400A、500-600A、800A、1000A; accuracy combinations of 0.2S/5P、0.5S/5P with diversified rated output including 10VA/15VA/20VA/30VA for different windings. Matched withstand parameters, net weight 21kg, operating temperature -5℃~+40℃.
Indoor Single-phase Epoxy Resin Casting Current Transformer
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, insulation level 12/42/75kV, rated frequency 50/60Hz, secondary current 5A or 1A. Optional primary current ranges:5-15A、20A、30-40A、50-60A、75A、100-200A、300-400A、500-600A、800A; accuracy combination 0.2S/5P、0.5S/5P with multiple rated output options. Matched thermal and dynamic withstand parameters for different specifications, net weight 21kg, operating ambient temperature -5℃~+40℃.
Indoor Single-phase Epoxy Resin Casting Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, insulation level 12/42/75kV, rated frequency 50/60Hz, secondary rated current 5A or 1A. Optional primary current ranges:20-400A、500-600A、800A、1000A; accuracy combinations 0.2S/10P15、0.5S/10P15 with rated output:0.2S10VA、0.5S10VA、10P15 15VA. Short-time thermal current 60I₁ₙ, dynamic stable current 120I₁ₙ, net weight 15kg, operating ambient temperature -5℃~+40℃.
Indoor Single-phase Epoxy Resin Casting Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, insulation level 12/42/75kV, rated frequency 50/60Hz, secondary rated current 5A or 1A. Optional primary current ranges:20-400A、500-600A、800A、1000A; accuracy combinations 0.2S/10P10、0.5S/10P10 with rated output:0.2S10VA、0.5S10VA、10P10 15VA. Short-time thermal current 60I₁ₙ, dynamic stable current 120I₁ₙ, net weight 15kg, operating ambient temperature -5℃~+40℃.
Indoor Single-phase Epoxy Resin Casting Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards. Insulation level:12/42/75kV, rated frequency 50Hz/60Hz, secondary rated current 5A or 1A. Optional primary current ranges:10-75A、100A、150A、200A、300A、400A、500A、600A; accuracy classes 0.2S/0.5S with rated output 10VA, matched short-time thermal current and rated dynamic current for each specification. Net weight 8kg, applicable temperature range -5℃~+40℃, widely used for metering in medium-voltage switchgears.
Indoor Single-phase Epoxy Cast Current Transformer 12kV
Indoor single-phase epoxy resin casting CT, compliant with GB/T20840.1/2 & IEC61869-1/2, insulation level 12/42/75kV, 50/60Hz, secondary current 5A/1A. Optional primary current ranges:20-200A、300-400A、500-600A、800-1000A、1200-1250A、1500-3150A; diversified accuracy combinations for metering and protection, independent withstand parameter matching, net weight 78kg, operating temperature -5℃~+40℃.
State Grid Standard 0.66kV Current Transformer
Indoor epoxy cast low-voltage current transformer of State Grid standard, primary rated current 100-150A, accuracy class 0.2S/0.5S, applied for metering in low-voltage power distribution systems.
0.66kV Outdoor Epoxy Cast Busbar-Type Current Transformer for Low Voltage Metering
Outdoor busbar-type current transformer, rated voltage 0.66kV. Designed for low voltage outdoor distribution systems. Rated frequency 50Hz or 60Hz. Ambient temperature range -25°C to +40°C. Compliant with IEC 61869 and GB/T 20840 standards. Outdoor design with weather-resistant construction. Busbar through-core installation, easy to mount on low voltage busbars. Used for current measurement and protection in LV systems.
Indoor Low Voltage Current Transformer 0.66kV
Indoor low voltage current transformer, 0.66kV rated, epoxy resin casting type, for current measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Wide range of current ratios available, multiple accuracy classes. Compact size, easy installation, suitable for switchgear and panel mounting. Customizable ratios and specifications.
Indoor Low Voltage Current Transformer 0.66kV
Indoor low voltage current transformer, 0.66kV rated, epoxy resin casting type, for current measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Wide range of current ratios available, multiple accuracy classes. Compact size, easy installation, suitable for switchgear and panel mounting. Customizable ratios and specifications.
Indoor Low Voltage Protection Current Transformer 0.66kV
Indoor low voltage protection current transformer, 0.66kV rated, epoxy resin casting type, for protection applications in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Wide range of current ratios available, multiple protection accuracy classes 5P, 10P. Compact size, easy installation, suitable for switchgear and panel mounting. Customizable ratios and specifications.
Indoor Single-phase Epoxy Resin Casting Low Voltage Transformer 0.5kV
Indoor single-phase epoxy resin casting low voltage transformer, 0.5kV rated, for voltage measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Epoxy resin construction, compact size, light weight, suitable for indoor installation. Accuracy classes: 0.5, 1.0, 3.0. Customizable ratios and specifications.
Indoor Single-phase Epoxy Resin Casting Low Voltage Transformer 0.66kV
Indoor single-phase epoxy resin casting low voltage transformer, 0.66kV rated, for voltage measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Epoxy resin construction, compact size, light weight, suitable for indoor installation. Accuracy classes: 0.5, 1.0, 3.0. Customizable ratios and specifications.
Indoor Low Voltage Current Transformer 0.66kV
Indoor low voltage current transformer, 0.66kV rated, epoxy resin casting type, for current measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Wide range of current ratios available, multiple accuracy classes 0.2, 0.5, 1.0. Compact size, easy installation, suitable for switchgear and panel mounting. Customizable ratios and specifications.
Indoor Single-phase Epoxy Resin Casting Current Transformer 10kV
Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards. Insulation level:12/42/75kV, rated frequency 50/60Hz, secondary rated current 5A or 1A. Optional primary current ranges:20-200A、300-400A、500A、600-800A; accuracy combinations of 0.2S/10P、0.5S/10P with rated output 10VA0.2S、10VA0.5S、15VA10P. Matched short-time thermal current and rated dynamic current for each specification, net weight 17kg, operating temperature -5℃~+40℃, applied for metering and relay protection in medium-voltage switch cabinets.
State Grid Standard 0.66kV Current Transformer
Indoor epoxy cast LV current transformer, State Grid standard, primary rated current 200-600A, accuracy 0.2S/0.5S.