Clamp-On Current Transformers

Flex-Core® manufacturers a wide range of Clamp-On Current Transformers including AC, Micro Clamp and Clamp-On CT Accessories for most common applications. We offer a large in-stock inventory of clamp-on current transformers and same-day shipping (on most items) when ordered before 3PM Eastern.

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

Low Voltage, AC, Micro-Clamp

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

Low Voltage, AC

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

Power Supply for CTG

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONDIMENSIONS (Inches) 
TMP15215C

85-264Vac or 47-440Hz+/-15VProvides power to transducers requiring +/-15vdc3.78"H X 2.13"W X 0.92"D

Power Supply for 24Vdc Powered/Looped Transducers

MODEL #PRIMARY CURRENTSECONDARY CURRENTTYPICAL APPLICATIONDIMENSIONS (Inches) 
TMP15124C

85-264Vac or 47-440Hz24VProvides power to transducers requiring 24vdc3.78″ H x 2.13" W x 0.92″ D

Cables for Clamp-On Current Transformers

MODEL #TYPICAL APPLICATIONCABLES (Inches) 
MMR

Secondary lead wire to Clamp-On Current TransformersMMR or MFR - 36″ Red
MMB or MFB - 36″ Black
MMR or MFR - 48" Red
MMB or MFB - 48″ Black
MMB
Secondary lead wire to Clamp-On Current TransformersMMR or MFR - 36″ Red
MMB or MFB - 36″ Black
MMR or MFR - 48" Red
MMB or MFB - 48″ Black