⚡ AKH-0.66/23/58/88/812/816 Split-Core CT | 0.66kV 5A Metering | GB1208 IEC60044

The AKH-0.66 series split-core current transformers are precision electromagnetic instruments designed for accurate current measurement, energy meteri

• System voltage class: 0.66 kV class (low-voltage distribution applications)
• Rated frequency: 50 Hz
• Rated secondary current: 5 A

👉 https://duomatech.com/akh-0-66-split-core-current-transformer-low-voltage-metering/

#ElectricalEngineering #PowerEquip

“Ever since I started taking your class, I’ve enjoyed learning about electricity!” For Christian Lafforgue, named best teacher in the electrical engineering section for 2025, that’s the “coolest compliment” he’s gotten as a teacher.

Scientist in the Photonic Systems Laboratory, he knows only too well how a professor can influence a student’s academic decisions. He believes that a good teacher is one with a keen sense of humanity.

Read more: https://actu.epfl.ch/news/the-knowledge-is-thereit-takes-humans-to-put-it-in/

#EPFL #ElectricalEngineering

“The knowledge is there—it takes humans to put it into perspective”

Christian Lafforgue knows only too well how a professor can influence a student’s academic decisions. He believes that a good teacher is one with a keen sense of humanity. He was named best teacher in the electrical engineering section for 2025.

⚡ AG5-0.66 Indoor Plastic Case Current Transformer - Thomas Electric

The AG5-0.66 series current transformers are precision electromagnetic instruments designed for accurate current measurement and energy metering appli

• System voltage class: 0.66 kV class (indoor distribution and metering applications)
• Rated frequency: 50 Hz
• Rated secondary current: 5 A or 1 A

👉 https://duomatech.com/ag5-0-66-indoor-plastic-case-current-transformer/

#ElectricalEngineering #PowerEquipment

⚡ AG12-0.72 Current Transformer | 0.72kV 720V Indoor Plastic Case | 5A Metering CT

The AG12-0.72 series current transformers are electromagnetic instruments designed for accurate current measurement and energy metering applications i

• System voltage class: 0.72 kV class (indoor low-voltage distribution applications)
• Rated voltage: 720 V
• Rated frequency: 50 Hz / 60 Hz

👉 https://duomatech.com/ag12-0-72-current-transformer-720v-indoor-plastic-case-ct/

#ElectricalEngineering #Powe

⚡ JSGW-0.5 Potential Transformer | Three-Phase Five-Leg Dry-Type PT - Thomas Electric

Three-phase five-leg dry-type PT for indoor AC <=0.5kV. Accuracy 0.5/1/3. 50Hz/60Hz.

• Three-Phase Five-Leg Dry-Type Low Voltage Potential Transformer
• JSGW-0.5 / JSGW-0.5F

👉 https://duomatech.com/jsgw-0-5-three-phase-five-leg-low-voltage-potential-transformer/

#ElectricalEngineering #PowerEquipment

JSGW-0.5 Potential Transformer | Three-Phase Five-Leg Dry-Type PT - Thomas Electric

JSGW-0.5 dry-type low-voltage potential transformer for indoor three-phase systems. Designed for voltage measurement, electric energy metering, relay protection and residual voltage monitoring, with three-phase five-leg core, 100/√3 main secondary output, 100/3 auxiliary open-delta output, 50Hz operation and rated outputs up to 340VA.

Thomas Electric

⚡ JLSW3-33 Outdoor Horizontal Oil-Immersed High-Voltage Metering Tank

Combined CT+VT transformer for 35kV power systems. Horizontal oil-immersed design for outdoor installation.

• Rated voltage: 33kV
• Wiring: 3-phase 3/4 wire
• Application: Energy metering, line metering

👉 https://duomatech.com/jlfw3-33-outdoor-horizontal-oil-immersed-high-voltage-metering-tank/

#HighVoltage #ElectricalEngineering #PowerEquipment #EnergyMetering

JLSW3-33 Outdoor Oil-Immersed Metering Tank | 33kV High Voltage - Thomas Electric

JLSW3-33 outdoor horizontal oil-immersed high-voltage metering tank for 33kV and 35kV-class power systems. Designed for outdoor line electric energy metering, integrating current transformer and voltage transformer units in one oil-filled tank, with 0.2S/0.5S accuracy options, 50Hz/60Hz operation, weather-resistant structure, and pole-mounted or platform-mounted installation.

Thomas Electric
I think Hubbell’s is better. #electricity #electricalengineering

Clock diagram from Leviton showing the keying position for different pin/sleeve power connectors - typically these are up to 100A. IEC 60309-1 and IEC 60309-2.

The angle is referenced between the keying on the housing and the ground pin (shown in green).

#electricity #electricalengineering

⚡ New Product: JDG-0.5 / JDG4-0.5 Indoor Dry-Type Low-Voltage Potential Transformer

Professional single-phase PT for indoor AC systems up to 0.5kV.

• Voltage Ratios: 220/100V, 380/100V, 500/100V
• Accuracy: 0.5 / 1 / 3
• Output: up to 100VA (JDG-0.5), 50VA (JDG4-0.5)
• Insulation: 3kV
• Standards: GB/T 20840.1, GB/T 20840.3

For switchgear, metering panels, relay protection & more.

👉 https://duomatech.com/jdg-0-5-jdg4-0-5-indoor-dry-type-low-voltage-potential-transformer/

#ElectricalEngineering #PowerEquipment #LowVoltage #VoltageTransformer

❓ CT Questions?

Q: Accuracy class? A: 0.2S/0.5 for billing. 5P/10P for relays.
Q: Open secondary? A: NEVER. Voltage >1000V. Dangerous.
Q: Recalibration? A: Every 5-10 years for metering.

📖 More: https://duomatech.com/lzzbj9-10-a-b-c-10kv-indoor-cast-resin-current-transformer/

#CurrentTransformer #FAQ #Duomatech #ElectricalEngineering