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WE-CST Current Sense Transformer
WE-CST Current Sense Transformer
WE-CSTLF Line Frequency Current Sense Transformer
WE-CSTLF Line Frequency Current Sense Transformer
Order Code
Data­sheet
Downloads
Status
L(µH)
n
IR(A)
RDC1 max(mΩ)
RDC2 max(Ω)
∫Udt(µVs)
VT(V (AC))
RDC 1(mΩ)
RDC 2(Ω)
Size
Product series
Samples
WE-CST Current Sense Transformer33 µH, 1:20, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance33 µH
Turns Ratio1:20 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 20.35 Ω
Voltage-µSecond9 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 20.35 Ω
SizeEE4.4 
WE-CST Current Sense Transformer74 µH, 1:30, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance74 µH
Turns Ratio1:30 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 20.8 Ω
Voltage-µSecond13.5 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 20.8 Ω
SizeEE4.4 
WE-CST Current Sense Transformer80 µH, 1:20, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance80 µH
Turns Ratio1:20 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 20.2 Ω
Voltage-µSecond10 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 20.2 Ω
SizeEE5 
WE-CST Current Sense Transformer132 µH, 1:40, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance132 µH
Turns Ratio1:40 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 21.6 Ω
Voltage-µSecond18 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 21.6 Ω
SizeEE4.4 
WE-CST Current Sense Transformer180 µH, 1:30, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance180 µH
Turns Ratio1:30 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 20.48 Ω
Voltage-µSecond15 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 20.48 Ω
SizeEE5 
WE-CST Current Sense Transformer205 µH, 1:50, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance205 µH
Turns Ratio1:50 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 22.5 Ω
Voltage-µSecond22.5 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 22.5 Ω
SizeEE4.4 
WE-CST Current Sense Transformer224 µH, 1:20, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance224 µH
Turns Ratio1:20 
Rated Current40 A
Voltage-µSecond49 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.033 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer295 µH, 1:60, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance295 µH
Turns Ratio1:60 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 23.6 Ω
Voltage-µSecond27 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 23.6 Ω
SizeEE4.4 
WE-CST Current Sense Transformer320 µH, 1:40, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance320 µH
Turns Ratio1:40 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 20.9 Ω
Voltage-µSecond20 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 20.9 Ω
SizeEE5 
WE-CST Current Sense Transformer400 µH, 1:70, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance400 µH
Turns Ratio1:70 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 24.6 Ω
Voltage-µSecond31.5 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 24.6 Ω
SizeEE4.4 
WE-CST Current Sense Transformer500 µH, 1:50, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance500 µH
Turns Ratio1:50 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 21.4 Ω
Voltage-µSecond25 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 21.4 Ω
SizeEE5 
WE-CST Current Sense Transformer504 µH, 1:30, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance504 µH
Turns Ratio1:30 
Rated Current40 A
Voltage-µSecond74 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.093 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer720 µH, 1:60, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance720 µH
Turns Ratio1:60 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 21.75 Ω
Voltage-µSecond30 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 21.75 Ω
SizeEE5 
WE-CST Current Sense Transformer820 µH, 1:100, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance820 µH
Turns Ratio1:100 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 29.5 Ω
Voltage-µSecond45 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 29.5 Ω
SizeEE4.4 
WE-CST Current Sense Transformer896 µH, 1:40, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance896 µH
Turns Ratio1:40 
Rated Current40 A
Voltage-µSecond99 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.13 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer980 µH, 1:70, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance980 µH
Turns Ratio1:70 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 22.2 Ω
Voltage-µSecond35 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 22.2 Ω
SizeEE5 
WE-CST Current Sense Transformer1280 µH, 1:125, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1280 µH
Turns Ratio1:125 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 213 Ω
Voltage-µSecond56.2 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 213 Ω
SizeEE4.4 
WE-CST Current Sense Transformer1400 µH, 1:50, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1400 µH
Turns Ratio1:50 
Rated Current40 A
Voltage-µSecond124 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.202 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer1800 µH, 1:150, 7 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1800 µH
Turns Ratio1:150 
Rated Current7 A
DC Resistance 13 mΩ
DC Resistance 221 Ω
Voltage-µSecond67.5 µVs
Insulation Test Voltage750 V (AC)
DC Resistance 13 mΩ
DC Resistance 221 Ω
SizeEE4.4 
WE-CST Current Sense Transformer2000 µH, 1:100, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2000 µH
Turns Ratio1:100 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 25.5 Ω
Voltage-µSecond50 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 25.5 Ω
SizeEE5 
WE-CST Current Sense Transformer2000 µH, 1:60, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2000 µH
Turns Ratio1:60 
Rated Current40 A
Voltage-µSecond148 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.305 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer2740 µH, 1:70, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2740 µH
Turns Ratio1:70 
Rated Current40 A
Voltage-µSecond173 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.367 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer3000 µH, 1:125, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3000 µH
Turns Ratio1:125 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 26.5 Ω
Voltage-µSecond68 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 26.5 Ω
SizeEE5 
WE-CST Current Sense Transformer4500 µH, 1:150, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4500 µH
Turns Ratio1:150 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 29.5 Ω
Voltage-µSecond75 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 29.5 Ω
SizeEE5 
WE-CST Current Sense Transformer5600 µH, 1:100, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance5600 µH
Turns Ratio1:100 
Rated Current40 A
Voltage-µSecond248 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 20.805 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer8000 µH, 1:200, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance8000 µH
Turns Ratio1:200 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 216.5 Ω
Voltage-µSecond100 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 216.5 Ω
SizeEE5 
WE-CST Current Sense Transformer12500 µH, 1:250, 20 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12500 µH
Turns Ratio1:250 
Rated Current20 A
DC Resistance 10.75 mΩ
DC Resistance 223.5 Ω
Voltage-µSecond125 µVs
Insulation Test Voltage500 V (AC)
DC Resistance 10.75 mΩ
DC Resistance 223.5 Ω
SizeEE5 
WE-CST Current Sense Transformer12600 µH, 1:150, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance12600 µH
Turns Ratio1:150 
Rated Current40 A
Voltage-µSecond372 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 21.9 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer22400 µH, 1:200, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance22400 µH
Turns Ratio1:200 
Rated Current40 A
Voltage-µSecond496 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 22.63 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer135000 µH, 1:500, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance135000 µH
Turns Ratio1:500 
Rated Current40 A
Voltage-µSecond1240 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 221.2 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer300000 µH, 1:750, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance300000 µH
Turns Ratio1:750 
Rated Current40 A
Voltage-µSecond1860 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 250.1 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer400000 µH, 1:500, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance400000 µH
Turns Ratio1:500 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 216.2 Ω
Voltage-µSecond30000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187 
WE-CST Current Sense Transformer540000 µH, 1:1000, 40 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance540000 µH
Turns Ratio1:1000 
Rated Current40 A
Voltage-µSecond2480 µVs
Insulation Test Voltage1500 V (AC)
DC Resistance 10.28 mΩ
DC Resistance 287.64 Ω
SizeEE13/7/4 
WE-CST Current Sense Transformer1600000 µH, 1:1000, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1600000 µH
Turns Ratio1:1000 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 278.7 Ω
Voltage-µSecond60000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187 
WE-CST Current Sense Transformer3600000 µH, 1:1500, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3600000 µH
Turns Ratio1:1500 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 2178 Ω
Voltage-µSecond90000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187 
WE-CST Current Sense Transformer6400000 µH, 1:2000, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance6400000 µH
Turns Ratio1:2000 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 2317 Ω
Voltage-µSecond120000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187 
WE-CST Current Sense Transformer10000000 µH, 1:2500, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10000000 µH
Turns Ratio1:2500 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 2468 Ω
Voltage-µSecond150000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187 
WE-CST Current Sense Transformer14400000 µH, 1:3000, 45 A
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance14400000 µH
Turns Ratio1:3000 
Rated Current45 A
DC Resistance 10.27 mΩ
DC Resistance 2747 Ω
Voltage-µSecond180000 µVs
Insulation Test Voltage4000 V (AC)
SizeEI187