Post on 14-Apr-2018
7/30/2019 166_mhAutoTrans.pdf
1/2
Auto-transformer for use in Reduce Voltage Motor Starter
Design: Dry type as per IEC 76
Insulation class: Class E to class H, depend on the size.
Max. room temp: 40C
Protection class: IP00 open type, for installation intoIP20.
Moisture protection: Completely immerse in resin varnish andoven cured.
Connection: Open star-point connection.
Capacity: Starting duty cycle is 6-8 starts per hour.
Over-temp.Protection:
A normally closed thermostat is included.
Below specification with 415V 50Hz 3phase power supply.
Motor 415V 50Hz Full load
current
Thermo-
protection
Transfomer
tappings.
Max. Starting
times. =>70%
Max. Starting
times. =>60%
Design
type
Insulation
classKW HP Amp % - Un Sec. Sec.
3.75 5 6.5 Yes 70% 8 12 A E
5.5 7.5 11 Yes 70% 8 12 A E
7.5 10 14 Yes 70% 8 12 A E
11 15 21 Yes 70% 9 14 A E
11 (3T) 15 (3T) 21 Yes 55, 65 & 75% 9 14 A E
15 20 28 Yes 55, 65 & 75% 10 16 A E
18.5 25 35 Yes 55, 65 & 75% 11 17 A E
22.5 30 40 Yes 55, 65 & 75% 12 19 A E
30 40 55 Yes 55, 65 & 75% 14 22 A E
37.5 50 66 Yes 55, 65 & 75% 16 26 A E
45 60 80 Yes 55, 65 & 75% 18 29 A E
56 75 100 Yes 55, 65 & 75% 21 34 A E
66 88 120 Yes 55, 65 & 75% 24 38 A E
80 107 140 Yes 55, 65 & 75% 27 45 A / B F
94 125 165 Yes 55, 65 & 75% 30 45 A / B F
110 150 200 Yes 55, 65 & 75% 30 45 B F
132 175 230 Yes 55, 65 & 75% 30 45 B F
150 200 260 Yes 55, 65 & 75% 30 45 B F
185 250 325 Yes 55, 65 & 75% 30 45 B H
225 300 385 Yes 55, 65 & 75% 30 45 B H
260 350 450 Yes 55, 65 & 75% 30 45 B H
300 400 520 Yes 55, 65 & 75% 30 45 B H
335 450 580 Yes 55, 65 & 75% 30 45 B H
375 500 650 Yes 55, 65 & 75% 30 45 B H
450 600 780 Yes 55, 65 & 75% 30 45 B H
550 750 950 Yes 55, 65 & 75% 30 45 B H
** Special requirement: We can design and fabricate these type of transformer according to conditions needed.
Inter Win Engineering Sdn. Bhd.495888-U14, Jln BK 1/18, Tmn Perindustrian Puchong, Bdr Kinrara,
47100 Puchong, Selangor D.E. Malaysia.
Phone:603-8075-9032 & 016-3367585
Fax:603-8075-3170, E-mail: cbyip@tm.net.my
Hand phone: 019-3367585 (Benny Chan)
7/30/2019 166_mhAutoTrans.pdf
2/2
Auto-transformer for use in Reduce Voltage Motor Starter
Dimension for: Side Mounting
Motor Power A B C D E Connection Holes Weight (Kg)
5.5 kW 227 235 100 138 205 connector X 6.00
7.5 kW 227 235 115 138 205 connector X 7.50
11kW S/T 227 235 130 138 205 connector X 10.00
11 kW 3/T 227 235 130 138 205 10mm T. Blocks X 10.00
15 kW 227 235 140 138 205 10mm T. Blocks X 12.50
18.5 kW 227 235 150 138 205 10mm T. Blocks X 14.50
22 kW 227 235 160 138 205 10mm T. Blocks X 16.00
30 kW 248 256 140 160 226 10mm T. Blocks X 18.00
37.5 kW 248 256 150 160 226 16mm T. Blocks X 21.00
45 kW 255 256 165 160 226 16mm T. Blocks X 24.00
56 kW 255 256 175 160 226 25mm T. Blocks X 28.00
66 kW 320 332 190 200 295 25mm T. Blocks Y 35.00
80 kW 320 332 200 200 295 35mm T. Blocks Y 40.00
94 kW 320 332 205 200 295 35mm T. Blocks Y 46.00
Dimension for: Floor Mounting
Motor Power A B C D E Connection Holes Weight - Kg
80kW 315 305 180 113 170 Bolt & Nut X 40.00
94kW 330 305 220 120 170 Bolt & Nut X 46
110kW 360 305 240 130 170 Bolt & Nut X 51.00
132kW 360 305 260 140 170 Bolt & Nut X 60.00
150kW 360 305 260 150 170 Bolt & Nut X 70.00
185kW 400 446 280 155 280 Bolt & Nut X 90.00
225kW 440 446 260 170 280 Bolt & Nut X 110.00
260kW 460 446 280 185 280 Bolt & Nut X 120.00
300kW 460 446 315 210 280 Bolt & Nut X 145.00
335kW 460 446 335 235 280 Bolt & Nut X 160.00
375kW 520 510 335 235 344 Bolt & Nut X 175.00
450kW 520 510 360 265 344 Bolt & Nut X 190.00
550kW 520 510 400 265 344 Bolt & Nut X 225
** Specification suhject to change without prior notice.**
4 holes
C
A
D
E
B
13
9
119
22
TYPE Y
TYPE X