Control- and isolating transformer

TT1 8-44-23

Characteristics

Benefits

 Safe galvanic isolation

 Patented assembly technology

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

 Primary side ±5 % tappings for voltage adjustment

 Fixed, contact protected screw connection terminals complying with UVV BGV A3

 Multifunctional fixing rail with 8 oval slots

 Space saving, thanks to horizontal design

 Integrated crane eyes

 Non-slip terminals

Product Control- and isolating transformer
Order number TT1 8-44-23
Power 8,000 VA
Input 418 V / 440 V / 462 V
Output 2 x 115 V • 34.8 Aac
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 217 W
No-Load Losses 107 W
Short-Term Power / instantaneous output 28,000 VA
Short-Circuit Voltage uk / 2.70 %
EN insulation class F (155°C)
UL Insulation class class 155
Duty Cycle 100 %
Wire material Copper
Efficiency 96.1 %
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 XX B
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 280 mm / 11.02 in
Height 385 mm / 15.16 in
Depth 215 mm / 8.46 in
Weight 60 kg / 132.28 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-4
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2

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