7. A machine needs a transformer to step down the line voltage from 240 VAC to 120 VAC TH maximum inrush the machine's motor will draw is 6 amps. a. Calculate the maximum inrush VA that will be required by the transformer. b. Choose the appropriate transformer from table 1 Model 636- Max inrush VA = VA TRANSFORMER ELECTRICAL SPECIFICATIONS AND ORDERING DATA (SUPPLY VOLTAGE 240 VAC) Dimoneions Model

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7. A machine needs a transformer to step down the line voltage from 240 VAC to 120 VAC The
maximum inrush the machine's motor will draw is 6 amps.
a. Calculate the maximum inrush VA that will be required by the transformer.
b. Choose the appropriate transformer from table 1
Model 636-
Max inrush VA =
VA
TRANSFORMER ELECTRICAL SPECIFICATIONS AND
ORDERING DATA (SUPPLY VOLTAGE 240 VAC)
Мах.
Inrush
VAT
Temp.
Rise
Dimensions
VA
Model
636-
°C
B
110-120 V Secondary Voltage Rating
180
218
273
660
1360
1964
4014
55
55
55
55
55
115
115
3-5/16
3-9/16
3-3/4
4-5/16
2-1/2"
2-7/8
2-7/8
3-13/16
3-13/16
3-3/4
4-3/8
1111
1121
100
150
250
500
1000
3-3/8
3-3/8
4-1/2
4-1/2
4-1/2
5-1/4
1131
1141
1161
5-1/2
6-3/4
1191
1211
220-240V Secondary Voltage Rating
50
100
150
180
273
660
55
55
55
3-5/16
3-3/4
4-5/16
3-3/8
4-1/2
2-1/2
2-7/8
3-13/16
1111-824
1131-824
1141-824
(*) Terminal Type (t) Capability VA. Refers to maximum inrush
VA after calculations are made.
Table 1
Transcribed Image Text:7. A machine needs a transformer to step down the line voltage from 240 VAC to 120 VAC The maximum inrush the machine's motor will draw is 6 amps. a. Calculate the maximum inrush VA that will be required by the transformer. b. Choose the appropriate transformer from table 1 Model 636- Max inrush VA = VA TRANSFORMER ELECTRICAL SPECIFICATIONS AND ORDERING DATA (SUPPLY VOLTAGE 240 VAC) Мах. Inrush VAT Temp. Rise Dimensions VA Model 636- °C B 110-120 V Secondary Voltage Rating 180 218 273 660 1360 1964 4014 55 55 55 55 55 115 115 3-5/16 3-9/16 3-3/4 4-5/16 2-1/2" 2-7/8 2-7/8 3-13/16 3-13/16 3-3/4 4-3/8 1111 1121 100 150 250 500 1000 3-3/8 3-3/8 4-1/2 4-1/2 4-1/2 5-1/4 1131 1141 1161 5-1/2 6-3/4 1191 1211 220-240V Secondary Voltage Rating 50 100 150 180 273 660 55 55 55 3-5/16 3-3/4 4-5/16 3-3/8 4-1/2 2-1/2 2-7/8 3-13/16 1111-824 1131-824 1141-824 (*) Terminal Type (t) Capability VA. Refers to maximum inrush VA after calculations are made. Table 1
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