Control- and isolating transformer

STEU 1000/23

Characteristics

Benefits

 Dual input voltage 230 and 400 Vac

 Very good switch-on behaviour thanks to reduced starting currents

 High power density due to a compact construction design

 Primary side ±15 V tappings for voltage adjustment

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

 Quick to cable up thanks to the use of spring-clamp terminals

 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 STEU 1000/23
Power 1,000 VA
Input 230 V / 400 V ± 15 V
Output 2 x 115 V • 4.35 Aac
Phases 1
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 42.93 W
No-Load Losses 27.69 W
Short-Term Power / instantaneous output 5,000 VA
Short circuit voltage uk 2.9 %
EN insulation class B (130°C)
UL Insulation class class 130
Duty Cycle 100 %
Wire material Copper
Efficiency 93.4 %
General
Short circuit proof not short-circuit proof
Switching group Iii0
Cooling type AN
Environment
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
Input terminal Push-in terminal
Output terminal Push-in terminal
Terminal PE Flat plug connection
Size and Weight
Width 150 mm / 5.91 in
Height 146 mm / 5.75 in
Depth 162 mm / 6.38 in
Weight 13.3 kg / 29.32 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-4
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2

Conrad Electronic SE

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Premier Farnell Limited

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