To determine the amount of Amperage Points/CTs needed in your assembly for ever meter point, it will vary on the voltage system.
- 120V_1ø2 wire voltage systems require 1 CT per meter point (1:1).
- 120/240V_1ø3 wire and 120/208V_2ø3 wire voltage systems require 2 CTs per meter point (1:2).
- 120/208V_3ø4 wire, 240/416V_3ø4 wire, 277/480V_3ø4 wire, 347/600V_3ø4 wire, 208V_3ø3 wire, 416V_3ø3 wire, 480V_3ø3wire and 600V_3ø3 wire voltage systems require 3 CTs per meter point (1:3).
Solid Core
| The window size varies on the amperage | |||||||
| Ratio | Inside Diameter Inches | Outside Diameter Inches | Thickness Inches | Weight gr/lbs | Lead Length in ft. | MC Approval | UL FIle |
| 100:0.08 | 0.5 | 1.1 x 1.2 | 0.78 | 69 / 0.15 | 6 | AE-2486 | UL2808, File No. E515601 |
| 200:0.1 | 0.76 | 1.8 | 0.7 | 100 / 0.22 | 6 | AE-248 | UL2808, File No. E515601 |
| 200:0.08 | 0.76 | 1.8 | 0.7 | 100 / 0.2 | 6 | AE-2585 | UL2808, File No. E515601 |
| 400:0.1 | 1.69 | 3.07 | 1 | 254 / 0.5 | 6 | AE-2566 | UL2808, File No. E515601 |
| 400:0.08 | 1.69 | 3.07 | 1 | 254 / 0.56 | 6 | AE-2566 | UL2808, File No. E515601 |
| 600:0.1 | 3.54 | 5.7 | 1 | 655 / 1.44 | 6 | AE2566 | UL2808, File No. E515601 |
| 600:0.08 | 3.54 | 5.7 | 1 | 655 / 1.44 | 6 | AE2566 | UL2808, File No. E515601 |
| 800:0.1 | 5.9 | 8.66 | 1.57 | 1,587 / 3.5 | 6 | AE-2566 | UL2808, File No. E515601 |
| 800:0.08 | 5.9 | 8.66 | 1.57 | 1,587 / 3.5 | 6 | AE-2566 | UL2808, File No. E515601 |
| 1000:0.1 | 5.9 | 8.66 | 1.57 | 1,587 / 3.5 | 6 | N/A | UL2808, File No. E515601 |
| 1000:0.08 | 5.9 | 8.66 | 1.57 | 1,587 / 3.5 | 6 | N/A | UL2808, File No. E515601 |
| 200:5 | 3/4 | 2 | 0.6 | 2 | AE-1368 rev.1 | C/US UL recognized | |
| 400:5 | 1 1/2 | 3 1/2 | 0.9 | 2 | AE-1180 | CSA & UL recognized | |
| 600:5 | 3 1/4 | 2.78 | 5.6 X 5.6 | NO Leads | T-188 | CSA & UL recognized | |
Split Core
| The window size varies on the amperage: | ||||
| Window | Lead Length | |||
| 100:0.033A - 0.75" | 2ft. Note: To be used with a Multiplier of 3 or special programming of the i-meter45 |
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| 100:0.1A - 0.75" | 2ft. | |||
| 200:0.1A - 0.75" | 2ft. Note: Recommended for use with the MF-Series Meter and i-meter-636 |
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| 400:0.1A - 1.25" | 2ft. | |||
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