Split-Core Current Transformers

Flex-Core® manufacturers and stocks a wide range of Split-Core Current Transformers, including Metering Class, Multi-Ratio, Relay Class and Rogowski Coils for most common applications.

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

Flexible, Standard Meter Output

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"

Flexible, Standard Meter Output, Open Circuit Protection, Outdoor

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"

Relay Class, Revenue Grade

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches) 
FCR0-50A thru 0-5000A5ARevenue Meters, Service Meters, Protective Relays4" x 11" or 2.5" x 6.5"

Revenue Grade

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches) 
4LSF0-400A thru 0-6000A.333VRevenue Meters2" x 3" or 4" x 4.5" or 6" x 8"
LN4F0-100A thru 0-600A.333VRevenue Meters1.25" x 1.33"

Multi-Ratio

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"

Removable Leg

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches) 
600
0-400A thru 0-2000A5AAmmeters, Control Relays, Sub-Meters2″ x 5.50″
6010-400A thru 0-2000A5AAmmeters, Control Relays, Sub-Meters4.50″ x 4.50″
6170-400A thru 0-1200A5AAmmeters, Control Relays, Sub-Meters2″ x 3.50″
615
0-100A thru 0-400A5AAmmeters, Control Relays, Sub-Meters1.31″ x 1.66″
6160-200A thru 0-800A5AAmmeters, Control Relays, Sub-Meters1.31″ x 2.16″
606
0-200A thru 0-1200A5AAmmeters, Control Relays, Sub-Meters 2.75″ x 2.70″
608
0-500A thru 0-3000A5AAmmeters, Control Relays, Sub-Meters 2.60″ x 6.25″
500T
0-300A thru 0-6000A5AAmmeters, Control Relays, Sub-MetersUp to 10″ x 30″

Low Cost

MODEL #PRIMARY CURRENTSECONDARY OUTPUTTYPICAL APPLICATIONINSIDE DIAMETER (inches) 
SCT-04000-5A thru 0-75A.333VSub-Meters0.40"
SCT-0750
0-5A thru 0-200A.333VSub-Meters0.75"
SCT-1250
0-70A thru 0-600A.333VSub-Meters1.25"
SCT-2000
0-100A thru 0-1500A.333VSub-Meters2"
SCT-3000
0-400A thru 0-3000A.333VSub-Meters5" x 3"

Rogowski Coils

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

0-250A Thru 0-5000A.333VSub-Meters5.73"