HX74A

10/4/22, 10:19 AM Potential Transformer Instrument (EX-HX-VT Series) - Hammond Mfg. Quality Products. Service Excellence. Potential Transformer Instrument EX-HX-VT Series Features Used (with 150 Volt full scale A.C. voltmeters) to measure the voltage of 240, 480 or 600 VAC systems. Primary insulated for 4.0 KV rms test, suitable for L.V. switchgear and motor control use. 50/60 Hz. operation. Open construction - "Type H". CSA certified (209651). The nominal line voltages of 240 and 480 volts may be exceeded by 25% for 60 Hz. operation. Insulation system 55 degree C rise, Class 105.   Nominal Line Ratio Accuracy Thermal Overall Dimensions Mounting Centers Mounting Slot Ship Wt. Part No. Voltage Pri. / Sec. % VA Rating A B C D E G H VT55A 240 240:120 1.2 0-8 50 3.00 3.25 2.56 2.50 2.50 0.22 0.44 3 HX54A 240 240:120 1.2 0-20 100 3.75 4.00 3.13 3.13 3.13 0.22 0.44 6.6 VT56A 347 347:120 1.2 0-8 50 3.00 3.25 2.56 2.50 2.50 0.22 0.44 3 VT57A 480 480:120 1.2 0-8 50 3.00 3.25 2.56 2.50 2.50 0.22 0.44 3 HX74A 480 480:120 1.2 0-20 100 3.75 4.00 3.13 3.13 3.13 0.22 0.44 6.6 VT59A 600 600:120 1.2 0-8 50 3.00 3.25 2.56 2.50 2.50 0.22 0.44 3 HX94A 600 600:120 1.2 0-20 100 3.75 4.00 3.13 3.13 3.13 0.22 0.44 6.6 Lb. Data subject to change without notice © 2022. Hammond Manufacturing Ltd. All rights reserved. https://www.hammfg.com/electronics/transformers/instrument/ex-hx-vt 1/2 10/4/22, 10:19 AM Potential Transformer Instrument (EX-HX-VT Series) - Hammond Mfg. https://www.hammfg.com/electronics/transformers/instrument/ex-hx-vt 2/2