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High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter

High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter

High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter
High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter
Categories Current Transformer
Certification: ISO9001:2015, ISO14001:2015, IATF16949, UL/cUL, ROHS, REACH, CQC
Rated Input Current: 5A / 10A / 20A, Customizable
Model Number: CT102
Turns Ratio: 1000:1 / 2000:1 / 2500:1, Customizable
MOQ: 100pcs
Delivery Time: 3~4 Weeks
Operating Frequency: 50Hz / 60Hz
Application: Energy Meter, PV Inverter, EV Charger, UPS, Motor Control
Payment Terms: T/T
Operating Temperature: -40°C ~ +85°C
Price: US$0.1-1
Mounting Type: PCB Mount / Panel Mount, Lead Wire with Connector
Supply Ability: 10,000,000pcs/month
Housing Material: Flame-Retardant Plastic, Epoxy Encapsulated
Place of Origin: China
Accuracy Class: 0.5 / 1.0
Brand Name: Chipsen
Product Type: Through-Hole Current Transformer / Current Sensor
Packaging Details: Carton 1: 25.5 X 21.5 X 21cm. Carton 2: 43.5 x 24.5 x 21 cm
Customization: OEM & ODM Available, MOQ 100 PCS
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Company Info.
Dongguan Chipsen Electronics Technology Co., Ltd.
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High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter

High Accuracy CT102 Current Transformer Micro AC Current Sensor for PV Inverter

CT102 Current Transformer – Through-Hole Micro Current Sensor for Energy Meters & Power Monitoring

The CT102 current transformer is a compact through-hole (donut/toroidal) micro current sensor engineered for accurate AC current sampling in smart energy meters, EV charging equipment, solar inverters, UPS systems and industrial power monitoring devices. With an epoxy-encapsulated housing, twisted lead wires and a plug-in connector, the CT102 delivers high linearity, low phase error and long-term stability in a footprint small enough for tight PCB and DIN-rail layouts. Full OEM & ODM customization is available on turns ratio, output, wire length and connector type.

Key Advantages
  • High efficiency & high accuracy – stable turns ratio with low ratio error, suitable for Class 1 / Class 0.5 metering designs.
  • Low noise & low temperature rise – optimized magnetic core and winding process minimize audible noise and self-heating.
  • Stable performance – consistent output over a wide operating temperature range, ideal for outdoor meters and cabinets.
  • Durable & reliable – flame-retardant epoxy encapsulation, moisture-proof and vibration resistant.
  • 5-year warranty; up to 20-year warranty for special industries (rail, energy, metering infrastructure).
  • OEM & ODM – custom ratio, output signal, lead length, terminal/connector and labeling.
Technical Specifications
Model No.CT102
Product TypeThrough-hole / toroidal micro current transformer (current sensor)
Turns Ratio1000:1 / 2000:1 / 2500:1 / customizable
Rated Input Current5A / 10A / 20A / customizable
OutputCurrent output (mA); voltage output on request
Accuracy Class0.5 / 1.0
Operating Frequency50 / 60 Hz
Core MaterialSilicon steel / permalloy / nanocrystalline (per accuracy requirement)
HousingFlame-retardant plastic case, epoxy encapsulated, black
TerminationTwisted lead wires with plug-in connector (length & connector customizable)
MountingPCB mount / panel mount, primary conductor through hole
Operating Temperature-40°C to +85°C
Dielectric StrengthAC 4000V / 1 min
Place of OriginChina
CustomizationOEM & ODM accepted (ratio, output, wire, connector, marking)
Note: parameters are customizable. Please send us your target ratio, input current and accuracy class for an exact datasheet.
Typical Applications
Smart Energy Meters
Single-phase & three-phase kWh meters, prepaid meters, sub-metering modules
New Energy
Solar PV inverters, energy storage systems (ESS), EV chargers and OBC
Power Protection
UPS, leakage/overcurrent protection, relay protection, circuit breakers
Industrial & Building
Motor control, HVAC, power quality analyzers, IoT power monitoring
Why Choose Us
MOQ100 pcs
Quotation TimeWithin 3 working days after receiving your specification
Sample Lead TimeWithin 7 working days
Warranty5 years standard; up to 20 years for special industries
ServiceOEM & ODM, drawing-based development, 100% electrical testing before shipment
PackingAnti-static tray / blister + carton, customized packing available
FAQ
Q1: What is a CT102 current transformer used for?
It converts a large AC primary current into a small, proportional secondary signal so that meters, MCUs and protection circuits can measure current safely and accurately.
Q2: Can the turns ratio and output be customized?
Yes. Send us your rated primary current, required ratio, burden resistor and accuracy class, and we will design the matching version.
Q3: What is the minimum order quantity?
MOQ is 100 pcs. Samples are available for evaluation before mass production.
Q4: How long does mass production take?
Quotation within 3 days, samples within 7 days; mass-production lead time is confirmed with the order according to quantity.
Q5: Do you accept OEM / ODM projects?
Yes. We support drawing-based ODM, private labeling and customized wire length, connector type and packaging.
Q6: How is quality controlled?
Incoming material inspection, in-process control and 100% electrical testing (ratio, phase error, hi-pot) before packing.
CT102 Current Transformer product image showing compact through-hole design with twisted lead wires and connector
Need a CT102 current transformer for your project?
Send us your specification today — quotation within 3 days, samples within 7 days, MOQ only 100 pcs.
Product Tags:

High Accuracy Current Transformer

  

Current Transformer CT102

  

PV Inverter current transmitter

  
Quality High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter for sale

High Accuracy CT102 Current Transformer Micro AC Current Sensor For PV Inverter

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