STU 1000/2x115

Universal control, safety isolating and isolating transformer STU

Version STU 1000/2x115
Rated input voltage 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac Rated output voltage 2 x 115 Vac Rated power VDE (DB cos phi=1) 1,000 VA
Version Rated input voltage Rated output voltage Rated power VDE (DB cos phi=1)
STU 63/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 63 VA
STU 63/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 63 VA
STU 100/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 100 VA
STU 100/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 100 VA
STU 130/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 130 VA
STU 130/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 130 VA
STU 160/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 160 VA
STU 160/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 160 VA
STU 250/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 250 VA
STU 250/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 250 VA
STU 400/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 400 VA
STU 400/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 400 VA
STU 500/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 500 VA
STU 500/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 500 VA
STU 630/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 630 VA
STU 630/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 630 VA
STU 800/24 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 24 Vac 800 VA
STU 800/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 800 VA
STU 1000/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 1,000 VA
STU 1600/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 1,600 VA
STU 2000/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 2,000 VA
STU 2500/2x115 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac 2 x 115 Vac 2,500 VA

Technical data for STU 1000/2x115

Input
Rated input voltage 210 Vac/230 Vac/250 Vac/ 380 Vac/400 Vac/420 Vac/ 440 Vac/460 Vac/480 Vac/ 500 Vac/520 Vac/540 Vac
Rated frequency 50 - 60 Hz
Output
Rated output voltage 2 x 115 Vac
Rated power VDE (DB cos phi=1) 1,000 VA
Rated power VDE (KB cos phi=0.5) 3,120 VA
No-load voltage (app. x factor) 1.03
Efficiency 94.0 %
UL Derating 800 VA
Approvals
Approvals cURus, VDE
Environment
Ambient temperature max. 40 °C
Type of cooling self-cooling
Safety and protection
Type Open type
Insulation class VDE=B, UL=class 105
Protection index IP 00
Safety class (prepared) I
Short circuit strength non-short-circuit proof
PRI Fusing recommendation by circuit breaker with tripping characteristic type 20 x Irated related to set)
Setting range 230 ±20 Vac 4.00 - 6.30 A
Setting value 230 ±20 Vac 4.60 A
Setting range 400 ±20 Vac 2.50 - 4.00 A
Setting value 400 ±20 Vac 2.60 A
Setting range 460 ±20 Vac 1.60 - 2.50 A
Setting value 460 ±20 Vac 2.30 A
Setting range 520 ±20 Vac 1.60 - 2.50 A
Setting value 520 ±20 Vac 2.00 A
Terminal and mounting
Fixing method Base plate
Fixing screws M6
Terminals Input Screw clamp, 4 mm²
+ Tab connector, 6.3 x 0.8 mm
Terminals Output Screw clamp, 4 mm²
+ Tab connector, 6.3 x 0.8 mm
Terminals PE Tab connector, 6.3 x 0.8 mm
Measures and weights
Depth 156 mm
Height 149 mm
Width 150 mm
Weight 13.5 kg

Info on STU series

General Data
  • Rated input voltage 210 - 540 Vac
  • Rated output voltage 24 - 2 x 115 Vac
  • Rated power 63 - 2,500 VA
  • Insulation class B
  • Maximum ambient temperature 40 °C
  • Efficiency up to 95 %
  • Degree of protection IP 00
Benefits
  • Contact protected screw connection terminals complying with UVV BGV A3
  • Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
  • Very good switch-on behaviour thanks to reduced starting currents
  • High power density due to a compact construction design
  • Simple mounting thanks to robust metal footplate with oval slots
  • Universal input voltages 210 to 540 Vac

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