Control transformer

BUST 8000/4/23

Characteristics

Benefits

 High power density due to a compact construction design

 Primary side ±5 % tappings for voltage adjustment

 Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation

 Contact protected screw connection terminals complying with UVV BGV A3

 Low height

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Product Control transformer
Order number BUST 8000/4/23
Power 8,000 VA
Input 380 V / 400 V / 420 V
Output 2 x 115 V • 34.8 Aac
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 181 W
No-Load Losses 92 W
Short-Term Power / instantaneous output 26,500 VA
Short-Circuit Voltage uk / 2.20 %
EN insulation class B (130°C)
UL Insulation class class 130
Duty Cycle 100 %
Wire material Copper
Efficiency 96.7 %
General
Short circuit proof not short-circuit proof
Switching group Iii0
Cooling type AN
Enviroment
Ambient temperature -20 °C to 40 °C / -4 °F to 104 °F
Max. installation height 2,000 m / 6,562 ft
Protection and safety
Protection type IP 00
Protection class (prepared) I
Overvoltage category III
Degree of contamination 1
Electrical Connections
Terminal Pri Screw terminal
Terminal Sec Screw terminal
Terminal PE Screw terminal
Size and Weight
Width 350 mm / 13.78 in
Height 250 mm / 9.84 in
Depth 280 mm / 11.02 in
Weight 72 kg / 158.73 lbs
Low Voltage Directive EN 61558-2-2
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2

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