Solid-Core Current Transformers

Flex-Core® maintains a large in-stock inventory of Solid-Core Current Transformers, including Indicating Class, Metering Class, Relay Class, Utility Class and Wound Primary solid-core current transformers for most common applications.

Below is a list of all solid-core current transformers available through Flex-Core, however, not all models are in-stock.  To check pricing and availability for a specific solid-core current transformer model, give us a call at (614) 889-6152 or use our quote request form.  You can also use our live chat tool to speak directly with a sales representative.

If you have a specific application and need a solid-core current transformer with a custom ratio, please contact support.

Low Cost, "Donut" Style, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
AL0-50 thru 0-400A5AAmmeters, Control Relays, Sub-Meters1.05″Model# AL Solid-Core Current Transformer
7RL0-300 thru 0-1600A5AAmmeters, Control Relays, Sub-Meters2.50"Model# 7RL | 600V Class Solid Core Current Transformer
2RL0-50 thru 0-400A5AAmmeters, Control Relays, Sub-Meters1.05″Model# 2RL | 600V Class Solid Core Current Transformer

Low Cost, Secondary Terminals, Mounting Feet, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
5SFT 0-100 thru 0-600A5AAmmeters, Control Relays, Sub-Meters1.56″Model# 5SFT | 600V Class Solid Core Current Transformer
2SFT 0-50 thru 0-400A5AAmmeters, Control Relays, Sub-Meters1.13″Model# 2SFT | 600V Class Solid Core Current Transformer

Metal Mounting Bracket, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
76RBL0-1000 thru 0-2000A5AAmmeters, Control Relays, Sub-Meters3.00"Model# 76RBL | 600V Class Solid Core Current Transformer
7RBL0-400 thru 0-800A5AAmmeters, Control Relays, Sub-Meters2.50"Model# 7RBL | 600V Class Solid Core Current Transformer
58RBL 0-50 thru 0-300A5AAmmeters, Control Relays, Sub-Meters1.25"Model# 58RBL | 600V Class Solid Core Current Transformer

Revenue Grade, "Donut" Style, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
19RL0-500 thru 0-3000A5ARevenue Meters, Service Meters4.25″Model# 19RL Metering Class Current Transformer from Flex-Core
180RL0-50 thru 0-1000A5ARevenue Meters, Service Meters2.50″Model# 180RL Metering Class Current Transformer
5ARL0-100 thru 0-600A5ARevenue Meters, Service Meters1.56″Model# 5ARL Model# 2DARL Metering Class Current Transformer
2DARL0-50 thru 0-300A5ARevenue Meters, Service Meters1.00″Model# 2DARL Metering Class Current Transformer

Revenue Grade, Secondary Terminals, Metal Mounting Bracket, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
60RBT0-50 thru 0-200A5ARevenue Meters, Service Meters0.94″Model# 60RBT Metering Class Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
1950-800 thru 0-2000A5ARevenue Meters, Service Meters3.062″Model# 195 Metering Class Current Transformer
194 0-400 thru 0-800A5ARevenue Meters, Service Meters2.50"Model# 194 Metering Class Current Transformer from Flex-Corea
191 0-100 thru 0-400A5ARevenue Meters, Service Meters1.25"Model# 191 Metering Class Current Transformer from Flex-Core
JAB-0C0-100 thru 0-4000A5ARevenue Meters, Service Meters4.50″ x 3.50″Model# JAB-0C Solid Core Current Transformer
1260-1500 thru 0-5000A5ARevenue Meters, Service Meters8.25"Model# 126 Model# 125 Metering Class Current Transformer from Flex-Core
125 0-1000 thru 0-4000A5ARevenue Meters, Service Meters6.31"Model# 126 Model# 125 Metering Class Current Transformer from Flex-Core
19SHTI 0-800 thru 0-3000A5ARevenue Meters, Service Meters4.25″Model# 19SHT Metering Class Current Transformer from Flex-Core
19SHT 0-500 thru 0-3000A5ARevenue Meters, Service Meters4.25″Model# 19SHT Metering Class Current Transformer from Flex-Core

Revenue Grade, Secondary Terminals, Standard Meter Output, Higher Accuracy

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
194I0-300 thru 0-800A5ARevenue Meters, Service Meters2.50"Model# 194 Metering Class Current Transformer from Flex-Corea
191I0-200 thru 0-400A5ARevenue Meters, Service Meters1.25"Model# 191 Metering Class Current Transformer from Flex-Core
126I0-2500A thru 0-5000A5ARevenue Meters, Service Meters8.25"Model# 126 Model# 125 Metering Class Current Transformer from Flex-Core
125I 0-1600 thru 0-5000A5ARevenue Meters, Service Meters6.31"Model# 126 Model# 125 Metering Class Current Transformer from Flex-Core

Revenue Grade, Secondary Terminals

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
126-1V0-500 thru 0-3000A1VRevenue Meters, Service Meters8.25"Model# 126-1V Model# 125-1V Metering Class Current Transformer from Flex-Core
125-1V0-500 thru 0-2000A1VRevenue Meters, Service Meters6.31"Model# 126-1V Model# 125-1V Metering Class Current Transformer from Flex-Core
19SHT-1V0-100 thru 0-800A1VRevenue Meters, Service Meters4.25″Model# 19SHT-1V | 600V Class Metering Class Current Transformer

Revenue Grade, Secondary Terminals, Multi-Ratio, Relay Class, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
143MR0-50 thru 0-5000A5ARevenue Meters, Service Meters, Protective Relays7.31″Model# 143MR | 600V Class Relay Meter Current Transformer

Revenue Grade, Secondary Terminals, Extended High Accuracy, Standard Meter Output

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JAB-0S0-600 thru 0-2000A5ARevenue Meters, Service Meters4.50″ x 3.50″Model# JAB-0S High Accuracy Solid-Core Current Transformer

Revenue Grade, Standard Meter Output, Secondary Terminals, Indoor, Outdoor

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
593 0-50 thru 0-500A5AProtective Relaying8.06″ x 22.06″Model# 593 Relaying Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Primary Bar

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
CTM-0C 0-5 thru 0-1200A5ARevenue Meters, Service MetersWound PrimaryModel# CTM Low Voltage Solid-Core Current Transformer
JAK-0C 0-100 thru 0-2000A5ARevenue Meters, Service Meters1.50" up to 3.62"Model# JAK-0C Solid Core Current Transformer

Revenue Grade, Secondary Terminals, Extended High Accuracy, Standard Meter Output, Primary Bar

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JAK-0S 0-600 thru 0-1000A5ARevenue Meters, Service Meters3.62"Model# JAK-0S High Accuracy Solid-Core Metering Class Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Relay Class

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
143 0-50 thru 0-6000A5ARevenue Meters, Service Meters, Protective Relays7.31″Model# 143MR | 600V Class Relay Meter Current Transformer
130 0-200 thru 0-4000A5ARevenue Meters, Service Meters, Protective Relays5.75″Model# 130 | 600V Class Relay/Meter Class Current Transformer
114 0-50 thru 0-1600A5ARevenue Meters, Service Meters, Protective Relays3.25"Model# 114 | 600V Class Relay/Meter Class Current Transformer
110 0-200 thru 0-3000A5ARevenue Meters, Service Meters, Protective Relays4.00"Model# 110 | 600V Class Relay/Meter Class Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Relay Class, Switchgear Style

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
780 0-50 thru 0-6000A5ARevenue Meters, Service Meters, Protective Relays6.50″Model# 780 Solid Core Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Relay Class, Switchgear Style, Multi-Ratio

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
781MR 0-50 thru 0-4000A5ARevenue Meters, Service Meters, Protective Relays6.50″Model# 781MR | 600V Class Multi-Ratio Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Relay Class, Large Window

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
147 0-2000 thru 0-10000A5ARevenue Meters, Service Meters, Protective Relays10.00″Model# 147 | 600V Class Relay/Meter Current Transformer

Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
189 0-2.5 thru 0-100A5ARevenue Meters, Service Meters, Wound PrimaryModel# 189 | 600V Class Wound Primary Current Transformer

Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
190XSUM0-5 plus 0-5A5ARevenue Meters, Service Meters, Wound PrimaryModel# 190XSUM Summing Current Transformer
190X 0-0.1 thru 0-15A1A, 5A, 10ARevenue Meters, Service Meters, Wound PrimaryModel# 190x Auxillary Class Current Transformer

5kV, Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary, Meduim Voltage

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JKM-3C0-5 thru 0-800A5ARevenue Meters, Service Meters, Protective RelaysWound PrimaryModel# JKM-3C Bar Type Metering Current Transformer
CTWH3-60-T50 0-5 thru 0-600A5ARevenue Meters, Service Meters, Protective RelaysWound PrimaryModel# CTWH3 Medium Voltage Current Transformer

15kV, Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary, Meduim Voltage

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JKM-5C0-5 thru 0-800A5ARevenue Meters, Service Meters, Protective RelaysWound PrimaryModel# JKM-5C Bar Type Metering Current Transformer

5kV, Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary, Outdoor, Meduim Voltage

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JCK-30-5 thru 0-800A5ARevenue Meters, Service Meters,Wound PrimaryModel# JCK-3 | 5KV Class Outdoor Current Transformer

8.7kV, Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary, Outdoor, Meduim Voltage

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JCK-40-5 thru 0-800A5ARevenue Meters, Service Meters,Wound PrimaryModel# JCK-4 | 5KV Class Outdoor Current Transformer

15kV, Revenue Grade, Low Ratio, Secondary Terminals, Standard Meter Output, Wound Primary, Outdoor, Meduim Voltage

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JCK-5C 0-5 thru 0-1200A5ARevenue Meters, Service Meters, Protective RelaysWound PrimaryModel# JCK-5C | 15KV Class Outdoor Current Transformer