Control- and safety isolating transformer

STU 160/24

Characteristics

Benefits

 Universal input voltages 210 to 540 Vac

 Very good switch-on behaviour thanks to reduced starting currents

 High power density due to a compact construction design

 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 safety isolating transformer
Order number STU 160/24
Power 160 VA
Input 230 V / 400 V / 460 V / 520 V ± 20 V
Output 24 V • 6.66 Aac
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 15.88 W
No-Load Losses 7.47 W
Short-Term Power / instantaneous output 390 VA
Short circuit voltage uk 7.80 %
EN insulation class B (130°C)
UL Insulation class class 130
Duty Cycle 100 %
Wire material Copper
Efficiency 87.3 %
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 2
Electrical Connections
Terminal Pri Screw terminal
Terminal Sec Screw terminal
Terminal PE Flat plug connection
Size and Weight
Width 96 mm / 3.78 in
Height 105 mm / 4.13 in
Depth 88 mm / 3.46 in
Weight 2.8 kg / 6.17 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-6
Approval cULus - Listed UL 5085-1/-2; CSA 22.2

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