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Automatic LV Power Factor Correction Capacitors

CT Selection and Dimensions Class 5830, 5860, 5870

CT Selection Guide for Class 5830, 5860, 5870 & 5880

The current transformer is located on a phase A bus or cable at the main service entrance as illustrated in Diagram 1. The CT should be sized for the maximum load current. The CT should be installed upstream of the capacitor bank and plant loads to measure the combined current.

CT catalog number: TRAISC^{c c} where is current rating code of bus/cable and ^{c c} is window size code. Codes are listed in table to the right.

e.g. TRAI1000SC07 is a CT for 1000 A bus with 7"x4" window.

Unit Price: $673.

Current Rating of Bus/Cable		Window Size
Amperes	Rating Code	7" x 4" Size Code c c	11" x 4" Size Code c c
300	0300	07	11
400	0400	07	11
500	0500	07	11
600	0600	07	11
750	0750	07	11
800	0800	07	11
1000	1000	07	11
1200	1200	07	11
1500	1500	07	11
1600	1600	07	11
2000	2000	07	11
2500	2500	07	11
3000	3000	07	11
3500	3500	07	11
4000	4000	07	11
5000	5000	N/A	11
6000	6000	N/A	11