BUH
SINGLE-PHASE TRANSFORMERS,
UI, COST-OPTIMIZED,
CUSTOMER-SPECIFIC VERSION
8 – 315 kVA

General design features:

  • transformer with customer-specific voltages
  • cost-optimized execution
  • open version for stationary installation
  • hand-back and finger-touch-proof terminals, according to DGUV regulation 3 (IPxxB)
  • up to 50 A connections to transformer terminals, up to 340 A terminal blocks, above that copper bars or cable lugs
  • insulation class H, max. ambient temperature 40°C (ta 40°C/H)
  • standard: vertical design, others on request
  • for loss-optimized version see BUVA series
  • available in different standards

Standards:

EN 61558-2-2
Control transformers
EN 61558-2-4
Isolating transformers
EN 61558-2-6
Safety transformers
EN 61558-2-13
Autotransformers

Certificate and standards single-phase transformers

 

Type Art. No. Power
[VA]		 Size Copper weight
[kg]		 Total weight
[kg]		 Dimensions [mm]
B T H a b Screw
BUH 8000 0532-20-xxxxxxx 8 UI 180/63 17,7 39,0 236 153 372 144 125 M8
BUH 10000 0532-20-xxxxxxx 10 UI 180/78 21,3 48,0 236 168 372 144 140 M8
BUH 13000 0532-20-xxxxxxx 13 UI 210/63 31,0 63,0 280 163 430 176 133 M10
BUH 16000 0532-20-xxxxxxx 16 UI 210/88 34,5 75,0 280 188 430 176 158 M10
BUH 20000 0532-20-xxxxxxx 20 UI 210/133 36,0 92,0 280 233 430 176 203 M10
BUH 25000 0532-20-xxxxxxx 25 UI 240/110 44,1 121 320 220 490 196 184 M12
BUH 30000 0532-20-xxxxxxx 30 UI 240/140 50,0 139 320 250 490 196 214 M12
BUH 40000 0532-20-xxxxxxx 40 UI 90/100-270/110 65,3 185 400 330 550 225 182 M12
BUH 50000 0532-20-xxxxxxx 50 UI 90/110-270/110 81,4 192 400 340 550 225 192 M12
BUH 63000 0532-20-xxxxxxx 63 UI 90/130-270/110 119 205 400 360 550 225 212 M12
BUH 80000 0532-20-xxxxxxx 80 UI 100/110-360/120 146 240 440 480 690 250 205 M16
BUH 100000 0532-20-xxxxxxx 100 UI 100/140-360/120 169 265 440 480 690 250 235 M16
BUH 130000 0532-20-xxxxxxx 130 UI 100/180-360/120 206 340 440 520 690 250 275 M16
BUH 160000 0532-20-xxxxxxx 160 UI 120/160-400/140 217 376 520 480 790 300 280 M16
BUH 200000 0532-20-xxxxxxx 200 UI 120/200-400/140 247 430 520 520 790 300 320 M16
BUH 250000 0532-20-xxxxxxx 250 UI 140/150-540/170 313 515 620 500 980 375 290 M16
BUH 315000 0532-20-xxxxxxx 315 UI 140/190-540/170 454 620 620 540 980 375 330 M16

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