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Tianjin Grewin Technology Co., Ltd.

High Performance 500A Clamp on CT, 1% Accuracy Current Sensor, Current Clamp with Cables manufacturer / supplier in China, offering 350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer, 0.1-1000A Clamp Current Transformer with ISO9001 IEC, 0.1-1000A Clip-on Ammeter and so on.

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350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer

Purchase Qty.:
1-49 50-99 100-299 300+
FOB Unit Price: US $85.9 US $80.9 US $79.5 US $78.9
Purchase Qty. (Pieces) FOB Unit Price
1-49 US $85.9
50-99 US $80.9
100-299 US $79.5
300+ US $78.9
Get Latest Price
Port: Tianjin, China
Production Capacity: 20000PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GWQCT03-046 Grewin
  • Usage: Anti-theft, Current, Power Energy,Mornitoring
  • Application: Home, Industry, Communication Electronic Products, Special Equipment, Car/Motorcycle, Power Factor Correction Devices Oscilloscope
  • Wire Polarity: Red = High, Positive (+) Black = Low, Negative (-)
  • Case Material: White ABS, UL 94 V-0
  • with Banana Plugs: for Use with Legacy Instruments
  • Application 2: Energy Management and New Technology Assessment.
  • Window Size 1" (25 mm);: Current Range .5 to 550A AC
  • Transport Package: Vacuum Export Standard Cartons
  • Origin: Grewin China
  • Type: Probe
  • Certification: SGS, CE, ISO, RoHS, ETL,Ce
  • Max Output: 666 Mv @ 550 a
  • Frequency Range: 50 Hz to 400 Hz
  • Working Voltage 600 VAC Category III Die: Dielectric Strength 5312VAC, 50/60 Hz for One Min
  • Applciation 1: G Automation, Tenant Submetering, Performance Veri
  • Output: 333 Mv @ 150 a AC 2.22 Mv/a AC Accuracy <1% From .
  • Trademark: Grewin current clamp meter
  • Specification: CE. ETL
  • HS Code: 85045000
Product Description
350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer

350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer
350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer
With clamping style design, Yuanxing iProbe series clamp on current transformers can measure line current safely without cutting off the measured cable. This method permits a safer, easy and portable current measurement.
350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer

Class 0.5 clamp on current transformer used on Electric energy field metering

Flexible and light weights,exquisite appearance
Easy and quick installation in tight spaces
Excellent linearity
Maximum measuring current up to 550 A
Good appearance, stable structure.
Higher accuracy, excellent linearity, and better antijamming ability
Higher accuracy for harmonic measurement 

Application :
Power quality monitoring
Smart logger
Distributed measurement systerms
Current detecting and sensing for power quality analyzers, meet class A meter requirements.
Current detecting and sensing for oscilloscope, digital meter, data logger
Harmonics measurement for frequency conversion and inverter power system
Current, electric energy and power factor correcting device
Parameter of 600 V  max current550 A  clamp on current transformer with  output voltage 1mV GWCT0346

 Another model of clamp on current transformer GWCT01
Delicate ,exquisite ,light
Directly encircle busbar ,No need to cut busbar
Adopted high permeability core ,high accuracy ,good linearity,high ability of prevent interference
Typical Application :
Electric energy field metering
Mearure together with other kinds of instruments .

 350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer350A 400A 500A AC Output 333mv Clamp on Current Probe Transformer


Quality and honest first!

A.  Flexible service for diffierent transformers with high efficiency performance.

B.  Over 40 years experience of transformer designing and producing.

C. 100% test of every single product we produce from incoming material checking.

D.  UL, CE, ROHS, ISO9001:2008

E.  We offer custom-made transformers, OEM and ODM are welcome

F.  We deliver the quality you expect at consistently competitive prices

G. Transformer quality lifetime:10 Years.

H. Specialty Sales service:5 -10 Years

1.Check below clamp sensor GWQCT-046 Model: 
Technical datas:
Rated primary current:550A  AC
Output voltage:333 mV AC
Amplitude accuracy:±0.5% rdg.±0.1%f.s. (f.s.:500A, 45Hz - 66Hz, Primary conductor in the enter)
Phase accuracy±1°(10~100%I1n)(45 Hz - 5 kHz)
The amplitude frequency characteristic±1% (45 Hz - 5 kHz) ( Deviation  Accuracy)
Conductor impact±0.5%(off-center)
The influence of external electromagnetic fields≤0.1 A(in AC 400A /M electromagnetic fields)
Maximum input current550A  AC continuous (45-66 HZ  Ambient  temperature 50°C)
Temperature coefficient0.02 %reading data /°C
Dielectric strength5312 V ACrms /continuous 15s (circuits- core)
Maximum rated voltage600V ACrms
Woring temperature& humidity0 to 50°C (32 - 122°F), ≤80%RH (No condensate)
Woring temperature& humidity-10 to 60°C (14 - 140°F), ≤80%RH (No condensate)
Indoor  using and up to 2000m above sea  level
Standardssacurity:EN61010 - 2 -032:2002 , CAT III,contamination II
EMC:EN61326:1997+A1:1998+A2:2001+A3:2003(Class A)  
Measure conductor diameter≤Φ46mm
Cable length2m
SizeAbout 78W x 160H x 40D mm(excluding protruding parts)
weightAbout 380g
AccessoryInstrution manul  one piece
        f.s. :Maximum display datas or scale length
       rdg:Reading value (the value of the current is measured and displayed in the measurement of the product)
compact 150A EZ Clamp current transformers are the one-handed operating solution for temporary or long-term studies. They are designed to work in tight places and clamp around cables or buss bars.
.5A - 300A AC range
Better than 1% accuracy across the full range
Millivolt output
Clamp on current transformer(applications)
Silicon Steel cores provide moderate accuracy and lower cost for appropriate current measurement
Nickel Alloy cores are suitable for applications that require the highest accuracy with minimal
 phase angle error.Applications would include electric power quality monitoring devices
Clamp on current transformer(specifications)
Rated Primary current1-200A
Turn ratio1:1000 1:2000 1:2500
Output0.333V 1.5V
Accuracy0.1, 0.2 ,1.0 Class
Second burden(Ohms)<5, <50 ,>100k
Dielectric Resistance1000MOhms @ 500 Vdc
Case MaterialPolypropylene resinUL flame retardant rating 94-V0
Voltage rank600Vac(isolated condition), 30Vac(bareness condition)
High Potential2500Volts/min
Frequency Range:50/60Hz
Operating Temperature-25ºC to +70ºC
StandardIEC 60044-1
AccessoriesSupplied with feet for base mounting if required
CertificationRoHS compliant CE&ETL approved
( Hz )
 GWCTC0080N 1~501:1000
50 to 400≤500.1
 GWCTC0130N5~20050 to 400≤50.1
 GWCTC0200N5~20050 to 400≤50.1
 GWLCTC-0250 Input:100A
--50 to 1K≥100k1.0ID-L-W-H
Tianjin Grewin Technology Co.,Ltd


If you require a broad range and one-handed operation, the following
GREWIN 1000A Clamp On CT is the perfect choice. Use for any current measurement project including load surveys and demand metering.
Standard Features:
3.20A - 1200A AC range
Better than .5% accuracy from 40A - 1200A AC
1% accuracy from 20A - 40A AC
Millivolt output
  Check below GWCTC1535 Model:
Part numberInput currentRated OutputFrequency
GWCTC15350.5-1000A1mA/A40-1KHZ≤10 Ohms1%
0.5-1000A4-20mA50/60HZ≤100 Ohms1%
About us:
 Tianjin Grewin Technology Co.,ltd. has always placed great emphasis on our core business philosophy "Quality and Honesty First ". Due to continuous innovative research
and development, technical standards and efficient.A professional leading and a main
exporter of a wide variety of electronic components in China for many Years.
Flow chart of trading activities:
NOStepDays need
1Request for quotation1 day
2Making quotations1 day
3Offer and counter offer3 days
4Sending and receiving samples3-10 days
5Sample confirmation3 days
6Placing a firm order1 day
7Paying and receiving the down payment1-4 day
8Factory production & Quality inspection15-20 days
9Paying and receiving the balance4 days
10Delivery of goods1 days

Contact info :

    Victor Dong

Tianjin Grewin Technology Co.,Ltd.
Tel: 86-22-84943756
Fax: 86-22-85909471 or 84943756

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