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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
1 FCL 0-200A thru 0-6000A 1A, 5A, .333V or 1V Round - 4", 6", 8", or 11"
Rectangle - 2.75" x 6.63" or 4" x 11"
Ammeters, Control Relays, Sub-Meters FCL-Split-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
1 FC 0-200A thru 0-6000A 1A, 5A, .333V or 1V Round - 4", 6", 8", or 11"
Rectangle - 2.75" x 6.63" or 4" x 11"
Ammeters, Control Relays, Sub-Meters FC Current Transformers

Removable Leg, Split-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
1 500T 0-300A thru 0-6000A 5A Up to 10″ x 30″ Ammeters, Control Relays, Sub-Meters 500-Split-Core-Current-Transformers
4 616 0-200A thru 0-800A 5A 1.31″ x 2.16″ Ammeters, Control Relays, Sub-Meters 616-Split-Core-Current-Transformers
5 615 0-100A thru 0-400A 5A 1.31″ x 1.66″ Ammeters, Control Relays, Sub-Meters 615-Split-Core-Current-Transformers
6 617 0-400A thru 0-1200A 5A 2″ x 3.50″ Ammeters, Control Relays, Sub-Meters 617-Split-Core-Current-Transformers
7 601 0-400A thru 0-2000A 5A 4.50″ x 4.50″ Ammeters, Control Relays, Sub-Meters 601-Split-Core-Current-Transformers
8 600 0-400A thru 0-2000A 5A 2″ x 5.50″ Ammeters, Control Relays, Sub-Meters 600-Split-Core-Current-Transformers

Low Cost, Split-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
9 SCT-2000 0-100A thru 0-1500A .333V 2" Sub-Meters
10 SCT-1250 0-70A thru 0-600A .333V 1.25" Sub-Meters
11 SCT-0750 0-5A thru 0-200A .333V 0.75" Sub-Meters
12 SCT-0400 0-5A thru 0-75A .333V 0.40" Sub-Meters

Rogowski Coils, Split-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
13 RCT-1800 0-250A Thru 0-5000A .333V 5.73" Sub-Meters RCT-1800
14 RCS-1800 0-250A Thru 0-5000A .333V 5.73" Sub-Meters RCS-1800
15 ACP 0-30, 0-300, 0-3000A 3Vac 7", 10.9" or 14.7" Handheld Portable Meters ACP-Split-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
16 AL 0-50 thru 0-400A 5A 1.05″ Ammeters, Control Relays, Sub-Meters AL Solid-Core Current Transformers
17 7RL 0-300 thru 0-1600A 5A 2.50" Ammeters, Control Relays, Sub-Meters 7rl-solid-core-current-transformer
18 2RL 0-50 thru 0-400A 5A 1.05″ Ammeters, Control Relays, Sub-Meters 2RL Solid-Core Current Transformers
19 7ARL 0-100A thru 0-1000A 5A 2.50" Revenue Metering, Ammeter and Watt Meters 7arl-solid-core-current-transformer

Low Cost, Secondary Terminals, Mounting Feet, Standard Meter Output, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
19 5SFT 0-100 thru 0-600A 5A 1.56″ Ammeters, Control Relays, Sub-Meters 5SFT-Solid-Core-Current-Transformers
20 2SFT 0-50 thru 0-400A 5A 1.13″ Ammeters, Control Relays, Sub-Meters 2SFT-Solid-Core-Current-Transformers

Metal Mounting Bracket, Standard Meter Output, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
21 76RBL 0-1000 thru 0-2000A 5A 3.00" Ammeters, Control Relays, Sub-Meters 76RBL-Solid-Core-Current-Transformers
22 7RBL 0-400 thru 0-800A 5A 2.50" Ammeters, Control Relays, Sub-Meters 7RBL-Solid-Core-Current-Transformers
23 58RBL 0-50 thru 0-300A 5A 1.25" Ammeters, Control Relays, Sub-Meters 58RBL-Solid-Core-Current-Transformers

Revenue Grade, "Donut" Style, Standard Meter Output, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
24 19RL 0-500 thru 0-3000A 5A 4.25" Revenue Meters, Service Meters 19RL-Solid-Core-Current-Transformers
25 180RL 0-50 thru 0-1000A 5A 2.50″ Revenue Meters, Service Meters 180RL-Solid-Core-Current-Transformers
26 5ARL 0-100 thru 0-600A 5A 1.56″ Revenue Meters, Service Meters 5ARL-Solid-Core-Current-Transformers
27 2DARL 0-50 thru 0-300A 5A 1.00″ Revenue Meters, Service Meters 2DARL-Solid-Core-Current-Transformers

Revenue Grade, Secondary Terminals, Metal Mounting Bracket, Standard Meter Output, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
28 60RBT 0-50 thru 0-200A 5A 0.94″ Revenue Meters, Service Meters 60RBT-Solid-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
29 195 0-800 thru 0-2000A 5A 3.062″ Revenue Meters, Service Meters 195-Solid-Core-Current-Transformers
30
31 194 0-400 thru 0-800A 5A 2.50" Revenue Meters, Service Meters 194-Solid-Core-Current-Transformers
32 191 0-100 thru 0-400A 5A 1.25" Revenue Meters, Service Meters 191-Solid-Core-Current-Transformers
33 JAB-0C 0-100 thru 0-4000A 5A 4.50″ x 3.50″ Revenue Meters, Service Meters JAB-0C-Solid-Core-Current-Transformers
34 126 0-1500 thru 0-5000A 5A 8.25" Revenue Meters, Service Meters 126-Solid-Core-Current-Transformers
35 125 0-1000 thru 0-4000A 5A 6.31" Revenue Meters, Service Meters 125-Solid-Core-Current-Transformers
36 19SHTI 0-800 thru 0-3000A 5A 4.25" Revenue Meters, Service Meters 19SHTI-Solid-Core-Current-Transformers
37 19SHT 0-500 thru 0-3000A 5A 4.25" Revenue Meters, Service Meters 19SHT-Solid-Core-Current-Transformers

Revenue Grade, Secondary Terminals, Standard Meter Output, Higher Accuracy, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
38 194I 0-300 thru 0-800A 5A 2.50" Revenue Meters, Service Meters 194I-Solid-Core-Current-Transformers
39 191I 0-200 thru 0-400A 5A 1.25" Revenue Meters, Service Meters 191I-Solid-Core-Current-Transformers
40 126I 0-2500A thru 0-5000A 5A 8.25" Revenue Meters, Service Meters 126I-Solid-Core-Current-Transformers
41 125I 0-1600 thru 0-5000A 5A 6.31" Revenue Meters, Service Meters 125I-Solid-Core-Current-Transformers

Revenue Grade, Secondary Terminals, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
42 126-1V 0-500 thru 0-3000A 1V 8.25" Revenue Meters, Service Meters 126-1V-Solid-Core-Current-Transformers
43 125-1V 0-500 thru 0-2000A 1V 6.31" Revenue Meters, Service Meters 125-1V-Solid-Core-Current-Transformers
44 19SHT-1V 0-100 thru 0-800A 1V 4.25" Revenue Meters, Service Meters 19SHT-1V-Solid-Core-Current-Transformers

Revenue Grade, Secondary Terminals, Standard Meter Output, Primary Bar, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
44 CTM-0C 0-5 thru 0-1200A 5A Bar Type Revenue Meters, Service Meters CTM-0C-Solid-Core-Current-Transformers
45 JAK-0C 0-100 thru 0-2000A 5A 1.50" up to 3.62" Revenue Meters, Service Meters JAK-0C-Solid-Core-Current-Transformers

Revenue Grade, Standard Meter Output, Secondary Terminals, Indoor, Outdoor, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
50
55 JCR-0C 0-100 thru 0-400A 5A 1.125" up to 2.00" Revenue Meters, Service Meters JCR-0C-Solid-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
43 143MR 0-50 thru 0-5000A 7.31″ Revenue Meters, Service Meters, Protective Relays 143MR-Solid-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
44 143 0-50 thru 0-6000A 5A 7.31" Revenue Meters, Service Meters, Protective Relays 143-Solid-Core-Current-Transformers
45 130 0-200 thru 0-4000A 5A 5.75″ Revenue Meters, Service Meters, Protective Relays 130-Solid-Core-Current-Transformers
46 114 0-50 thru 0-1600A 5A 3.25″ Revenue Meters, Service Meters, Protective Relays 114-Solid-Core-Current-Transformers
47 110 0-200 thru 0-3000A 5A 4.00" Revenue Meters, Service Meters, Protective Relays 110-Solid-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
49 781MR 0-50 thru 0-4000A 5A 6.50″ Revenue Meters, Service Meters, Protective Relays 781MR-Solid-Core-Current-Transformers
50

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
50
51 147 0-2000 thru 0-10000A 5A 10.00″ Revenue Meters, Service Meters, Protective Relays 147-Solid-Core-Current-Transformers

Low Ratio, Secondary Terminals, Standard meter output, Wound Primary, Solid-Core

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
50
52 189 0-2.5 thru 0-100A 5A Wound Primary Revenue Meters, Service Meters 189-Solid-Core-Current-Transformers

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

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
30
50
53 190XSUM 0-5 plus 0-5A 5A Wound Primary Revenue Meters, Service Meters 190XSUM-Solid-Core-Current-Transformers
54 190X 0-0.1 thru 0-15A 1A, 5A, 10A Wound Primary Revenue Meters, Service Meters 190X-Solid-Core-Current-Transformers

AC, Micro-Clamp

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
13 M2 0-25A thru 0-200A 1V, 2V or 1V 4.5″ x 1.69″ x 0.9″ Portable Current Monitoring M1-M2-Clamp-On-Current-Transformers
14 M1 0-1A thru 0-200A 1V, 2V, 5V, 1A, 0.1A or 0.2A 3.8″ x 1.69″ x 0.9″ Portable Current Monitoring M1-M2-Clamp-On-Current-Transformers

AC, Clamp-On

wdt_ID Model # Primary Current Secondary Output Inside Diameter (Inches) Typical Application Image
15 P32 0-1000A thru 0-3000A 1V, 2V, 3V, 5V, 1A, 2A, 3A or 5A 5.83″ x 13.11″ x 2.05″ Portable Current Monitoring P32-Clamp-On-Current-Transformers
16 H32 0-1000A thru 0-3000A 1V, 2V, 3V, 5V, 1A, 2A, 3A or 5A 5.2″ x 13.11″ x 2.05″ Portable Current Monitoring H32-Clamp-On-Current-Transformers
17 NS 0-100A thru 0-1000A 1V, 5V, 1A or 5A 8.1″ x 3.5″ x 1.6″ Portable Current Monitoring NS-Clamp-On-Current-Transformers