QZB-J Series Three Phase Starting Auto Transformer

  • 350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)
  • 350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)
  • 350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)
  • 350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)
  • 350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)
350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)

350kVA Three Phase Auto Voltage Reducing Starter Transformer (Model: QZB-J-350)

  • Primary Voltage: 400V or Customized
  • Starting Voltage Taps: 80% and 60% or Customized
  • Protection: Thermally Protected
  • Material of Winding: Copper or Aluminum as Per Customer′s Request
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QZB-J Series Three Phase Auto Voltage Reducing Starter Transformer





Application

QZB-J Series Auto Voltage Reducing Starter Transformer is applicable to a line of AC 50Hz/60Hz, rated voltage is 380V (660V or 220V products can be made to order). It can used to infrequent start and reduce voltage for 3 phase induction motor with rated output power 500kW or under. Because transformer can reduce voltage, motor starting current is decreased so that it can reduce the impact to electricity grid when motor starting.

QZB-J series product is QZB product improvement. Compared with QZB, QZB-J product has several features as following:
1.1 Add an imported temperature protected switch (thermal sensitive breaking switch) in the coil inner
1.2 Model QZB-J-14~75 is changed from both side connecting wire to one side connecting wire. it makes connecting wire more convenient and more firm
1.3 Other performance and usage method is similar as QZB product.



Structure characteristics

This series of transformer has 65%(60%), 80% of two groups of starting voltage taps, if the need for starting torque smaller when the optional 65%(60%) taps, large torque can choose 80% tap.The transformer can be equipped with XJZ1, JJ1 series auto transformer starter box(cabinet) as the main accessories.



Overall dimension and installation dimension diagram

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When rated operating voltage is 380V
Model Outline size
(mm)
Hole distance for installation
(mm)
Installation hole
K or KxJ (mm)
Bmax Dmax Emax A±5 C±5
QZB-J-14 340 190 280 220 100 10×20
QZB-J-20 340 190 280 220 100 10×20
QZB-J-22 340 190 280 220 100 10×20
QZB-J-28 340 210 280 220 120 10×20
QZB-J-30 340 210 280 220 120 10×20
QZB-J-40 350 220 325 220 110 10×20
QZB-J-45 350 220 325 220 110 10×20
QZB-J-55 350 230 325 220 125 10×20
QZB-J-75 430 235 335 220 130 10×20
QZB-J-100 435 315 375 310 150 12.5×25
QZB-J-115 435 315 375 310 150 12.5×25
QZB-J-135 470 320 400 310 145 Φ15
QZB-J-155 470 320 400 310 145 Φ15
QZB-J-160 470 320 400 310 145 Φ15
QZB-J-190 520 320 420 310 155 Φ15
QZB-J-225 590 340 425 310 160 Φ15
QZB-J-260 590 320 465 310 155 Φ15
QZB-J-300 590 340 495 310 170 Φ15
QZB-J-320 590 340 495 310 170 Φ15
QZB-J-350 610 340 535 310 175 Φ15
QZB-J-400 610 340 535 310 175 Φ15
QZB-J-450 680 340 660 420 190 Φ15
QZB-J-500 680 340 660 420 190 Φ15


When rated operating voltage is 660V
Model Outline size
(mm)
Hole distance for installation
(mm)
Installation hole
K or KxJ (mm)
Bmax Dmax Emax A±5 C±5
QZB-J-14 340 190 280 220 100 10×20
QZB-J-22 340 190 280 220 100 10×20
QZB-J-30 350 210 280 220 120 10×20
QZB-J-40 430 220 325 220 110 10×20
QZB-J-45 430 220 325 220 110 10×20
QZB-J-55 430 230 325 220 125 10×20
QZB-J-75 430 240 335 220 130 10×20
QZB-J-100 460 315 380 310 150 12.5×25
QZB-J-115 460 315 380 310 150 12.5×25
QZB-J-135 470 315 400 310 145 Φ15
QZB-J-155 470 315 400 310 145 Φ15
QZB-J-160 470 315 400 310 145 Φ15
QZB-J-190 520 320 420 310 155 Φ15
QZB-J-225 550 330 425 310 160 Φ15
QZB-J-260 590 320 495 310 155 Φ15
QZB-J-300 560 330 495 310 170 Φ15



Main Technical Parameter

When Rated operating voltage is 380V
Model Control motor power (kW) Rated operating current (A) The most starting time(s)
QZB-J-14 14 28 40
QZB-J-20 20 24
QZB-J-22 22 42
QZB-J-28 28 56
QZB-J-30 30 57
QZB-J-40 40 80 60
QZB-J-45 45 84
QZB-J-55 55 103
QZB-J-75 75 140
QZB-J-100 100 200 80
QZB-J-115 115 230
QZB-J-135 135 270 100
QZB-J-155 155 294
QZB-J-160 160 300
QZB-J-190 190 370
QZB-J-225 225 410
QZB-J-260 260 475
QZB-J-300 300 535
QZB-J-320 320 588
QZB-J-350 350 643
QZB-J-400 400 735
QZB-J-450 450 826
QZB-J-500 500 918

When Rated operating voltage is 660V
Model Control motor power (kW) Rated operating current (A) The most starting time(s)
QZB-J-14 14 16 40
QZB-J-22 22 24
QZB-J-30 30 33
QZB-J-40 40 46 60
QZB-J-45 45 48
QZB-J-55 55 59
QZB-J-75 75 81
QZB-J-100 100 115 80
QZB-J-115 115 133
QZB-J-135 135 156 100
QZB-J-155 155 170
QZB-J-160 160 173
QZB-J-190 190 213
QZB-J-225 225 237
QZB-J-260 260 274
QZB-J-300 300 309

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Phone: +86-13626551830

Tel: +86-577-55773828

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Email: reelen@reelen.com.cn

Add: Xiangyang Industrial Zone,Liushi Town, Yueqing, Zhejiang, China. 325619