Universal control‑ safety isolating and isolating transformer STU

Universal control‑ safety isolating and isolating transformer STU, STU
Data Standards/Certifications Applications Downloads
General Data
  • Rated input voltage 210 ‑ 540 Vac
  • Rated output voltage 24 ‑ 230 Vac
  • Rated power 63 ‑ 2500 VA
  • Insulation class B
  • Maximum ambient temperature 104 °F / 40 °C
  • Efficiency up to 95 %
  • Degree of protection IP 00
Advantages
  • Universal input voltages 210 to 540 Vac
  • Reduced inrush current
  • High power density due to a compact construction design
  • Very good corrosion protection and low noise due to vacuum impregnation
  • Contact protected screw connection terminals complying with UVV BGV A3
  • Simple mounting due to robust metal footplate with oval slots
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STU 63/24
STU 63/2x115
STU 100/24
STU 100/2x115
STU 130/24
STU 130/2x115
STU 160/24
STU 160/2x115
STU 250/24
STU 250/2x115
STU 400/24
STU 400/2x115
STU 500/24
STU 500/2x115
STU 630/24
STU 630/2x115
STU 800/24
STU 800/2x115
STU 1000/2x115
STU 1600/2x115
STU 2000/2x115
STU 2500/2x115
Input
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
210 Vac/230 Vac/250 Vac; 380 Vac/400 Vac/420 Vac; 440 Vac/460 Vac/480 Vac; 500 Vac/520 Vac/540 Vac
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
50 - 60 Hz
Output
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
24 Vac
2 x 115 Vac
2 x 115 Vac
2 x 115 Vac
2 x 115 Vac
2 x 115 Vac
Rated power VDE (DB cos phi=1)
63 VA
63 VA
100 VA
100 VA
130 VA
130 VA
160 VA
160 VA
250 VA
250 VA
400 VA
400 VA
500 VA
500 VA
630 VA
630 VA
800 VA
800 VA
1.000 VA
1.600 VA
2.000 VA
2.500 VA
Rated power VDE (KB cos phi=0.5)
110 VA
110 VA
225 VA
225 VA
300 VA
300 VA
390 VA
390 VA
555 VA
555 VA
1.020 VA
1.020 VA
1.370 VA
1.370 VA
1.540 VA
1.540 VA
2.000 VA
2.000 VA
3.120 VA
3.800 VA
5.770 VA
6.200 VA
UL Derating
320 VA
320 VA
400 VA
400 VA
500 VA
500 VA
630 VA
630 VA
800 VA
1400 VA
1600 VA
2000 VA
No‑load voltage (app. x factor)
1.10
1.10
1.10
1.10
1.10
1.10
1.09
1.09
1.08
1.08
1.06
1.06
1.05
1.05
1.05
1.05
1.04
1.04
1.03
1.03
1.02
1.02
Efficiency
84 %
84 %
86 %
86 %
86 %
86 %
87 %
87 %
90 %
90 %
91 %
91 %
91 %
91 %
92 %
92 %
92 %
92 %
94 %
94 %
95 %
95 %
Standards
Classification
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Approvals
Approvals
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
cURus, VDE
Environment
Ambient temperature max.
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
104.0 °F
Type of cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
by self-cooling
Safety and protection
Type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Insulation class
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
VDE=B, UL=class 105
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
IP 00
Safety class (prepared)
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Short circuit strength
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
non-short-circuit proof
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
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
2.50 ‑ 4.00 A
2.50 ‑ 4.00 A
2.50 ‑ 4.00 A
2.50 ‑ 4.00 A
4.00 ‑ 6.30 A
6.30 ‑ 10.00 A
8.00 ‑ 12.00 A
10.00 ‑ 16.00 A
Setting value 230 ±20 Vac
0.3 A
0.3 A
0.53 A
0.53 A
0.66 A
0.66 A
0.8 A
0.8 A
1.2 A
1.2 A
1.9 A
1.9 A
2.3 A
2.3 A
3 A
3 A
3.7 A
3.7 A
4.6 A
7.3 A
9.1 A
11.2 A
Setting range 400 ±20 Vac
0.16 ‑ 0.25 A
0.16 ‑ 0.25 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.40 ‑ 0.63 A
0.25 ‑ 0.40 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
2.50 ‑ 4.00 A
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
6.30 ‑ 10.00 A
Setting value 400 ±20 Vac
0.2 A
0.2 A
0.31 A
0.31 A
0.38 A
0.38 A
0.5 A
0.5 A
0.7 A
0.7 A
1.1 A
1.1 A
1.4 A
1.4 A
1.7 A
1.7 A
2.1 A
2.1 A
2.6 A
4.2 A
5.2 A
6.5 A
Setting range 460 ±20 Vac
0.16 ‑ 0.25 A
0.16 ‑ 0.25 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
2.50 ‑ 4.00 A
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
Setting value 460 ±20 Vac
0.17 A
0.17 A
0.27 A
0.27 A
0.33 A
0.33 A
0.4 A
0.4 A
0.6 A
0.6 A
1 A
1 A
1.2 A
1.2 A
1.5 A
1.5 A
1.7 A
1.7 A
2.3 A
3.7 A
4.5 A
5.6 A
Setting range 520 ±20 Vac
0.10 ‑ 0.16 A
0.10 ‑ 0.16 A
0.16 ‑ 0.25 A
0.16 ‑ 0.25 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.25 ‑ 0.40 A
0.40 ‑ 0.63 A
0.40 ‑ 0.63 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
1.60 ‑ 2.50 A
2.50 ‑ 4.00 A
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
Setting value 520 ±20 Vac
0.15 A
0.15 A
0.24 A
0.24 A
0.3 A
0.3 A
0.3 A
0.3 A
0.5 A
0.5 A
0.9 A
0.9 A
1 A
1 A
1.3 A
1.3 A
1.6 A
1.6 A
2 A
3.2 A
4 A
5 A
Terminal and mounting
Fixing method
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Base plate
Fixing screws
M4
M4
M4
M4
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M8
M8
M8
Terminals
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Screw-type terminals, PE 6.3 x 0.8
Measures and weights
Weight
3.31 lbs
3.31 lbs
4.41 lbs
4.41 lbs
5.07 lbs
5.07 lbs
6.17 lbs
6.17 lbs
9.04 lbs
9.04 lbs
11.90 lbs
11.90 lbs
15.43 lbs
15.43 lbs
17.42 lbs
17.42 lbs
22.71 lbs
22.71 lbs
29.76 lbs
39.24 lbs
49.38 lbs
55.78 lbs
  Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture Dimension Picture
Order numbers
Order Number
STU 63/24
STU 63/2x115
STU 100/24
STU 100/2x115
STU 130/24
STU 130/2x115
STU 160/24
STU 160/2x115
STU 250/24
STU 250/2x115
STU 400/24
STU 400/2x115
STU 500/24
STU 500/2x115
STU 630/24
STU 630/2x115
STU 800/24
STU 800/2x115
STU 1000/2x115
STU 1600/2x115
STU 2000/2x115
STU 2500/2x115