Control- and isolating transformer

STU 630/2x115

Characteristics

General data

The control transformers of the STU series are designed for universal voltage adjustment and safe galvanic isolation of the primary circuit from the secondary circuit. The unique BLOCK IMPEX vacuum impregnation process provides excellent protection against external influences while reducing noise levels. The robust metal base plate with elongated holes ensures easy and secure mounting.

Benefits

 Control and isolating transformer according to EN (IEC) 61558-2-2 and EN (IEC) 61558-2-4

 Very good inrush behavior due to reduced inrush currents

 High power density through a compact design concept

 Touch-protected connection terminals according to UVV BGV A3

Product Control- and isolating transformer
Order number STU 630/2x115
Series STU
Power 630 VA
UL Derating 500.00 VA
Input 230 V / 400 V / 460 V / 520 V ± 20 V
Output 2 x 115 V • 2.74 Aac
Phases 1
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 35 W
No-Load Losses 18 W
Short-Term Power / instantaneous output 1,540 VA
Short circuit voltage uk 5.2 %
EN Insulation class B (130°C)
UL Insulation class class 105
Duty Cycle 100 %
Wire material Copper
Efficiency 92.2 %
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 2
Electrical Connections
Input terminal Screw terminal
Output terminal Screw terminal
Terminal PE Flat plug connection
Size and Weight
Width 150 mm / 5.91 in
Height 149 mm / 5.87 in
Depth 112 mm / 4.41 in
Weight 8 kg / 17.637 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-4
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2
VDE Approval

VDE 0570-2-x (DIN EN 61558-2-x)

Conrad Electronic SE

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