JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
September 24, 2026 at 10:37 PM
JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
Welcome to Duoma / Thomas Electric.
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
Combined Transformers - Thomas Electric
Epoxy resin cast & oil-immersed combined transformers for accurate metering and protection in MV/HV power systems.
duomatech.com
May 23, 2026 at 9:51 AM
Welcome to Duoma / Thomas Electric.
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
Welcome to Duoma / Thomas Electric.
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
May 23, 2026 at 9:41 AM
Welcome to Duoma / Thomas Electric.
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
We provide current transformers, voltage transformers, CT PT combined transformers, and high-voltage metering solutions for medium- and high-voltage power systems.
Website: duomatech.com
#InstrumentTransformer #PowerSystem #PowerMetering #ThomasElectric
MR-0.5 / MR-0.66 Indoor Dry-Type Current Transformer for accurate metering & protection in LV switchgear. Secondary circuit safety critical. duomatech.com #CurrentTransformer #LVSwitchgear #PowerMetering
September 15, 2026 at 11:59 PM
MR-0.5 / MR-0.66 Indoor Dry-Type Current Transformer for accurate metering & protection in LV switchgear. Secondary circuit safety critical. duomatech.com #CurrentTransformer #LVSwitchgear #PowerMetering
JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention for reliable outdoor service. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
September 14, 2026 at 10:44 AM
JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention for reliable outdoor service. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
JLSW3-33 outdoor horizontal oil-immersed metering tank integrates VTs and CTs for 33kV/35kV high-voltage energy metering in utility and industrial applications. duomatech.com #InstrumentTransformers #PowerMetering #HVSystems
September 13, 2026 at 11:18 PM
JLSW3-33 outdoor horizontal oil-immersed metering tank integrates VTs and CTs for 33kV/35kV high-voltage energy metering in utility and industrial applications. duomatech.com #InstrumentTransformers #PowerMetering #HVSystems
JDG4-0.5 indoor dry-type low-voltage potential transformer for accurate voltage measurement and relay protection in 0.5kV AC systems. Compact C-core design, 0.5 accuracy class. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
September 13, 2026 at 10:33 PM
JDG4-0.5 indoor dry-type low-voltage potential transformer for accurate voltage measurement and relay protection in 0.5kV AC systems. Compact C-core design, 0.5 accuracy class. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JSGW-0.5 three-phase five-leg low-voltage potential transformer for accurate voltage measurement, metering, and relay protection in indoor AC systems. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
September 10, 2026 at 10:50 PM
JSGW-0.5 three-phase five-leg low-voltage potential transformer for accurate voltage measurement, metering, and relay protection in indoor AC systems. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JDZ6-1 indoor epoxy resin insulated potential transformer provides standardized 100V output for voltage measurement, energy metering, and relay protection in AC switchgear. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
August 31, 2026 at 10:53 PM
JDZ6-1 indoor epoxy resin insulated potential transformer provides standardized 100V output for voltage measurement, energy metering, and relay protection in AC switchgear. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
MR-0.5 / MR-0.66 Indoor Dry-Type CT for accurate low-voltage current measurement & protection. Never leave secondary open-circuit. duomatech.com #CurrentTransformer #LowVoltage #PowerMetering
August 30, 2026 at 10:36 PM
MR-0.5 / MR-0.66 Indoor Dry-Type CT for accurate low-voltage current measurement & protection. Never leave secondary open-circuit. duomatech.com #CurrentTransformer #LowVoltage #PowerMetering
JDZ6-1 indoor epoxy resin insulated potential transformer for voltage measurement and relay protection in switchgear. Standard 100V output, dry-type design for compact indoor installation. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
August 25, 2026 at 10:18 PM
JDZ6-1 indoor epoxy resin insulated potential transformer for voltage measurement and relay protection in switchgear. Standard 100V output, dry-type design for compact indoor installation. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JDZ-3/6/10(W) / JDZF-10 indoor semi-enclosed epoxy cast-resin PT for 3–10kV switchgear voltage metering, monitoring & relay protection. duomatech.com #VoltageTransformer #MVSwitchgear #PowerMetering
August 22, 2026 at 11:54 PM
JDZ-3/6/10(W) / JDZF-10 indoor semi-enclosed epoxy cast-resin PT for 3–10kV switchgear voltage metering, monitoring & relay protection. duomatech.com #VoltageTransformer #MVSwitchgear #PowerMetering
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
August 17, 2026 at 10:08 PM
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
BH-0.66 IV Vertical Square-Hole Current Transformer – low-voltage CT for metering & monitoring in 0.66kV switchgear with upright busbar layouts. Secondary circuit must not be left open when energized. duomatech.com #CurrentTransformer #LVSwitchgear #PowerMetering
August 14, 2026 at 11:54 AM
BH-0.66 IV Vertical Square-Hole Current Transformer – low-voltage CT for metering & monitoring in 0.66kV switchgear with upright busbar layouts. Secondary circuit must not be left open when energized. duomatech.com #CurrentTransformer #LVSwitchgear #PowerMetering
JLSZV-10kV Three-Phase Outdoor Dry-Type Combined Transformer integrates VTs (V/V) and CTs for accurate metering in 6–10kV distribution systems. Maintenance-free, epoxy-resin design ideal for grid modernization. duomatech.com #InstrumentTransformers #MediumVoltage #PowerMetering
August 13, 2026 at 10:37 PM
JLSZV-10kV Three-Phase Outdoor Dry-Type Combined Transformer integrates VTs (V/V) and CTs for accurate metering in 6–10kV distribution systems. Maintenance-free, epoxy-resin design ideal for grid modernization. duomatech.com #InstrumentTransformers #MediumVoltage #PowerMetering
JDG-0.5 / JDG4-0.5 indoor dry-type low-voltage voltage transformer for accurate metering and relay protection in ≤0.5kV AC systems. Standard 100V secondary output. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
August 10, 2026 at 10:56 AM
JDG-0.5 / JDG4-0.5 indoor dry-type low-voltage voltage transformer for accurate metering and relay protection in ≤0.5kV AC systems. Standard 100V secondary output. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JLS-35KV outdoor oil-immersed combined instrument transformer integrates CTs & VTs for 35 kV metering in rural distribution and industrial substations. Compact, weatherproof design with 0.2/0.2S accuracy. duomatech.com #InstrumentTransformer #PowerMetering #SubstationDesign
August 9, 2026 at 11:20 PM
JLS-35KV outdoor oil-immersed combined instrument transformer integrates CTs & VTs for 35 kV metering in rural distribution and industrial substations. Compact, weatherproof design with 0.2/0.2S accuracy. duomatech.com #InstrumentTransformer #PowerMetering #SubstationDesign
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
August 4, 2026 at 11:02 PM
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
JSGW-0.5 Three-Phase Five-Leg Low Voltage Potential Transformer for accurate voltage measurement and relay protection in indoor AC systems. Dry-type, with auxiliary winding for open-delta monitoring. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
August 3, 2026 at 10:44 AM
JSGW-0.5 Three-Phase Five-Leg Low Voltage Potential Transformer for accurate voltage measurement and relay protection in indoor AC systems. Dry-type, with auxiliary winding for open-delta monitoring. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
August 2, 2026 at 11:56 AM
JLSW3-10 10kV outdoor oil-immersed combined instrument transformer for accurate metering and protection in MV substations. Integrated PT/CT design with moisture prevention. duomatech.com #InstrumentTransformer #MVSubstation #PowerMetering
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
August 1, 2026 at 11:06 PM
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
August 1, 2026 at 7:54 AM
JDZ1-1 / JDZ2-1 indoor cast-resin insulated potential transformer for accurate voltage measurement and relay protection in low-voltage switchgear up to 1kV. duomatech.com #VoltageTransformer #LVSwitchgear #PowerMetering
JSGW-0.5 three-phase five-leg low-voltage potential transformer for accurate voltage measurement, metering & relay protection in indoor AC systems. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
July 30, 2026 at 11:49 PM
JSGW-0.5 three-phase five-leg low-voltage potential transformer for accurate voltage measurement, metering & relay protection in indoor AC systems. duomatech.com #VoltageTransformer #PowerMetering #RelayProtection
JLSY12-11W outdoor oil-immersed combined transformer integrates CT & PT for 11kV three-phase metering with balanced accuracy in unbalanced loads. Ideal for utility billing & industrial substations. duomatech.com #InstrumentTransformer #PowerMetering #MVSwitchgear
July 28, 2026 at 8:02 AM
JLSY12-11W outdoor oil-immersed combined transformer integrates CT & PT for 11kV three-phase metering with balanced accuracy in unbalanced loads. Ideal for utility billing & industrial substations. duomatech.com #InstrumentTransformer #PowerMetering #MVSwitchgear
JDZ11 & JDZX11 indoor epoxy cast-resin VTs for 3/6/10kV systems—ideal for metering, protection, and residual-voltage detection in switchgear. duomatech.com #MVVT #PowerMetering #RelayProtection
July 27, 2026 at 7:30 AM
JDZ11 & JDZX11 indoor epoxy cast-resin VTs for 3/6/10kV systems—ideal for metering, protection, and residual-voltage detection in switchgear. duomatech.com #MVVT #PowerMetering #RelayProtection