Low Voltage Current Transformers

Flex-Core® maintains a large in-stock inventory of Low-Voltage Current Transformers for most common applications.

Below is a list of all low voltage current transformers available through Flex-Core, however, not all models are in-stock.  To check pricing and availability for a specific low voltage 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 low voltage current transformer with a custom ratio, please contact support.

Flexible, Standard Meter Output, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
FCL0-200A thru 0-6000A1A, 5A, .333V or 1VAmmeters, Control Relays, Sub-MetersRound - 4", 6", 8", 11",or 18" Rectangle - 2.75" x 6.63" or 4" x 11"Model# FCL Split-Core Current Transformers

Flexible, Standard Meter Output, Open Circuit Protection, Outdoor, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
FC0-200A thru 0-6000A1A, 5A, .333V or 1VAmmeters, Control Relays, Sub-MetersRound - 4", 6", 8", 11",or 18" Rectangle - 2.75" x 6.63" or 4" x 11"Model# FCL Split-Core Current Transformers

Multi-Ratio, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
3310-300A thru 0-2000A5AAmmeters, Control Relays, Sub-Meters2.5" x 5.5" or 4.5" x 4.5"Model# 331 Split-Core Current Transformer

Removable Leg, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
500T 0-300A thru 0-6000A5AAmmeters, Control Relays, Sub-MetersUp to 10″ x 30″Model# 500T Removable Leg Split-Core Current Transformer
608 0-500A thru 0-3000A5AAmmeters, Control Relays, Sub-Meters 2.60″ x 6.25″Model# 608 Removable Leg Current Transformer
606 0-200A thru 0-1200A5AAmmeters, Control Relays, Sub-Meters 2.75″ x 2.70″Model# 606 Removable Leg Current Transformer
6160-200A thru 0-800A5AAmmeters, Control Relays, Sub-Meters1.31″ x 2.16″Model# 616 Low Ratio Split-Core Current Transformer
615 0-100A thru 0-400A5AAmmeters, Control Relays, Sub-Meters1.31″ x 1.66″Model# 515 Low Voltage Current Transformers
6170-400A thru 0-1200A5AAmmeters, Control Relays, Sub-Meters2″ x 3.50″Model# 617 Removable Leg Split-Core Current Transformer
6010-400A thru 0-2000A5AAmmeters, Control Relays, Sub-Meters4.50″ x 4.50″Model# 601 Removable Leg Split-Core Current Transformer
600 0-400A thru 0-2000A5AAmmeters, Control Relays, Sub-Meters2″ x 5.50″Model# 600 Removable Leg Split-Core Current Transformer

Low Cost, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
SCT-2000 0-100A thru 0-1500A.333VSub-Meters2"Model# SCT-2000 Split-Core AC Current Transformer
SCT-1250 0-70A thru 0-600A.333VSub-Meters1.25"Model# SCT-1250 Split-Core Current Transformer
SCT-0750 0-5A thru 0-200A.333VSub-Meters0.75" Model# SCT-0750 AC Split-Core Current Transformer
SCT-04000-5A thru 0-75A.333VSub-Meters0.40" Model# SCT-0400 Split-Core Current Transformer

Rogowski Coils, Split-Core

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
RCT-1800 0-250A Thru 0-5000A.333VSub-Meters5.73"Model RCT-1800 Current Probe
RCS-18000-250A Thru 0-5000A.333VSub-Meters5.73"Model# RCS - AC Current Probe Current Transformer
ACP 0-30, 0-300, 0-3000A 3VacHandheld Portable Meters7", 10.9" or 14.7"Model# ACP Current Probe

Low Cost, "Donut" Style, Standard Meter Output, Solid-Core

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, Solid-Core

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, Solid-Core

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, Solid-Core,

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, Solid-Core

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, Solid-Core

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, Solid-Core

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, Solid-Core

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, Solid-Core

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, Standard Meter Output, Primary Bar, Solid-Core

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, Standard Meter Output, Secondary Terminals, Indoor, Outdoor

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
JCR-0C0-100 thru 0-400A5ARevenue Meters, Service Meters1.125" up to 2.00"JCR-0C Solid-Core Current Transformer

Revenue Grade, Secondary Terminals, Standard Meter Output, Relay Class, Solid-Core

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, Multi-Ratio, Solid-Core

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, Solid-Core

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, Solid-Core

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, Solid-Core

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

AC, Micro-Clamp

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
M20-25A thru 0-200A1V, 2V or 1VPortable Current Monitoring4.5″ x 1.69″ x 0.9″ Model# M1 & M2 Micro Clamp Current Transformer
M1 0-1A thru 0-200A1V, 2V, 5V, 1A, 0.1A or 0.2APortable Current Monitoring3.8″ x 1.69″ x 0.9″ Model# M1 & M2 Micro Clamp Current Transformer

AC, Clamp-On

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONINSIDE DIAMETER (inches)
P320-1000A thru 0-3000A1V, 2V, 3V, 5V, 1A, 2A, 3A or 5APortable Current Monitoring5.83″ x 13.11″ x 2.05″Model# P32 Clamp-On Current Transformer
H320-1000A thru 0-3000A1V, 2V, 3V, 5V, 1A, 2A, 3A or 5APortable Current Monitoring5.2″ x 13.11″ x 2.05″Model# H32 Clamp-On Current Transformer
NS 0-100A thru 0-1000A1V, 5V, 1A or 5APortable Current Monitoring8.1″ x 3.5″ x 1.6″Model# NS AC Clamp-On Current Transformer