GE
Terminals are brass studs No. 8-32 with one flatwasher, lockwasher
Energy Connections
Model 550
Current Transformer
Window Sizes Available up to 10”x 30”
Application
Metering.
Frequency
50-400 Hz.
Insulation Level
600 Volts, 10 kV BIL full wave
Continuous Thermal Current
Rating Factor
1.33 at 30 °C. amb. 1.0 at 55 °C. amb.
and regular nut.
Flexible leads are UL 1015, 105°C, CSA approved, 18 AWG, 24” long.
Approximate weight 8 to 18 lbs.
Model 550
How to Order Rectangular C.T.'s
Example: 550T— 041 X 117—122 is a 1200:5 Amp CT with a 4.1” X 11.7” window.
The accuracy table below is for 550T—041 X 117. See page 32 for accuracy table for
550T—101 X 117 and the 550T—101 X 301. Accuracy for other sizes are available
from the factory. The dimensions in the table at right are standard sizes. Other
window lengths (B1) may be accommodated on special order. Window widths (A1)
other than those listed are not available.
Grid-AIS-L4-ITI_Model_550-1320-2017_05-EN. © Copyright 2017. General Electric Company
and Instrument Transformers LLC reserve the right to change specifications of described
products at any time without notice and without obligation to notify any person of such changes.
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