Control- and isolating transformer

ST 2500/69/23

Characteristics

Benefits

 Very good switch-on behaviour thanks to reduced starting currents

 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

 Simple mounting thanks to robust metal footplate with oval slots

Product Control- and isolating transformer
Order number ST 2500/69/23
Power 2,500 VA
Input 655 V / 690 V / 725 V
Output 230 V • 10.9 Aac
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 64 W
No-Load Losses 51 W
Short-Term Power / instantaneous output 12,400 VA
Short circuit voltage uk 2.70 %
EN insulation class B (130°C)
Duty Cycle 100 %
Wire material Copper
Efficiency 95.6 %
General
Short circuit proof not short-circuit proof
Switching group Ii0
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 Flat plug connection
Size and Weight
Width 192 mm / 7.56 in
Height 180 mm / 7.09 in
Depth 183 mm / 7.2 in
Weight 25 kg / 55.12 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-4

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