Control‑ and safety isolating‑ resp. isolating transformer STEU

Control‑ and safety isolating‑ resp. isolating transformer STEU, STEU
Data Standards/Certifications Applications Downloads
General Data
  • Rated input voltage 230 and 400 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 94 %
  • Degree of protection IP 00
Advantages
  • Dual input voltage 230 and 400 Vac
  • Reduced inrush current
  • High power density due to a compact construction design
  • Primary side ±15 V taps for voltage adjustment
  • Very good corrosion protection and low noise due to vacuum impregnation
  • Fast installation because of the use of cage‑clamp terminals
  • Contact protected screw connection terminals complying with UVV BGV A3
  • Simple mounting due to robust metal footplate with oval slots
  • DIN rail clamp included up to 250 VA
2 | " W J

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STEU 63/24
STEU 63/48
STEU 63/23
STEU 100/24
STEU 100/48
STEU 100/23
STEU 160/24
STEU 160/48
STEU 160/23
STEU 250/24
STEU 250/48
STEU 250/23
STEU 320/24
STEU 320/48
STEU 320/23
STEU 400/24
STEU 400/23
STEU 500/24
STEU 500/48
STEU 500/23
STEU 630/24
STEU 630/23
STEU 800/24
STEU 800/48
STEU 800/23
STEU 1000/24
STEU 1000/48
STEU 1000/23
STEU 1600/23
STEU 2000/23
STEU 2500/23
Input
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
230/400 Vac
Tappings Input
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
±15 V
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
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
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2 x 115 Vac
2 x 12 Vac
2x24 Vac
2 x 115 Vac
2 x 12 Vac
2x24 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
63 VA
100 VA
100 VA
100 VA
160 VA
160 VA
160 VA
250 VA
250 VA
250 VA
320 VA
320 VA
320 VA
400 VA
400 VA
500 VA
500 VA
500 VA
630 VA
630 VA
800 VA
800 VA
800 VA
1.000 VA
1.000 VA
1.000 VA
1.600 VA
2.000 VA
2.500 VA
Rated power VDE (KB cos phi=0.5)
175 VA
175 VA
175 VA
310 VA
310 VA
175 VA
490 VA
490 VA
490 VA
850 VA
850 VA
850 VA
1.120 VA
1.120 VA
1.120 VA
1.440 VA
1.440 VA
2.000 VA
2.000 VA
2.000 VA
2.350 VA
2.350 VA
3.400 VA
3.400 VA
3.400 VA
5.000 VA
5.000 VA
5.000 VA
7.800 VA
10.900 VA
12.400 VA
No‑load voltage (app. x factor)
1.10
1.10
1.10
1.07
1.07
1.07
1.10
1.10
1.10
1.07
1.07
1.07
1.07
1.07
1.07
1.04
1.04
1.04
1.04
1.04
1.04
1.04
1.03
1.03
1.03
1.03
1.03
1.03
1.01
1.02
1.02
Efficiency
86 %
86 %
86 %
86 %
86 %
86 %
86 %
86 %
86 %
88 %
88 %
88 %
90 %
90 %
90 %
90 %
90 %
92 %
92 %
92 %
92 %
92 %
94 %
94 %
94 %
94 %
94 %
94 %
94 %
94 %
94 %
Standards
Classification
Control‑ and safety 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 safety isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and 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 safety isolating transformer
Control‑ and isolating transformer
Control‑ and safety isolating transformer
Control‑ and 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
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
cURus
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
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
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
self-cooling
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
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Open type
Insulation class
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
VDE=B, UL=class 130
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
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
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
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 ±15 Vac
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
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
0.63 ‑ 1.00 A
1.00 ‑ 1.60 A
1.00 ‑ 1.60 A
1.00 ‑ 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
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
2.50 ‑ 4.00 A
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
6.30 ‑ 10.00 A
8.00 ‑ 10.00 A
10.00 ‑ 16.00 A
Setting value 230 ±15 Vac
0.35 A
0.35 A
0.35 A
0.5 A
0.5 A
0.5 A
0.8 A
0.8 A
0.8 A
1.2 A
1.2 A
1.2 A
1.5 A
1.5 A
1.5 A
1.9 A
1.9 A
2.4 A
2.4 A
2.4 A
3 A
3 A
3.7 A
3.7 A
3.7 A
4.6 A
4.6 A
4.6 A
7.3 A
9.1 A
11.2 A
Setting range 400 ±15 Vac
0.16 ‑ 0.25 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
0.40 ‑ 0.63 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
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
1.00 ‑ 1.60 A
1.60 ‑ 2.50 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
4.00 ‑ 6.30 A
4.00 ‑ 6.30 A
6.30 ‑ 10.00 A
Setting value 400 ±15 Vac
0.2 A
0.2 A
0.2 A
0.29 A
0.29 A
0.29 A
0.46 A
0.46 A
0.46 A
0.7 A
0.7 A
0.7 A
0.88 A
0.88 A
0.88 A
1.1 A
1.1 A
1.4 A
1.4 A
1.4 A
1.7 A
1.7 A
2.2 A
2.2 A
2.2 A
2.7 A
2.7 A
2.7 A
4.2 A
5.2 A
6.5 A
Terminal and mounting
Fixing method
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
Dual purpose base plate also for installation on mounting rails
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
M4
M4
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M5
M6
M6
M6
M6
M6
M6
M6
M6
M8
M8
M8
Terminals
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Spring terminal, PE 6.3 x 0.8
Measures and weights
Weight
2.87 lbs
2.87 lbs
2.87 lbs
4.63 lbs
4.63 lbs
4.63 lbs
6.39 lbs
6.39 lbs
6.39 lbs
7.94 lbs
7.94 lbs
7.94 lbs
9.48 lbs
9.48 lbs
9.48 lbs
11.68 lbs
11.68 lbs
16.98 lbs
16.98 lbs
16.98 lbs
17.42 lbs
17.42 lbs
22.71 lbs
22.71 lbs
22.71 lbs
29.32 lbs
29.32 lbs
29.32 lbs
46.30 lbs
56.22 lbs
59.52 lbs
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Order numbers
Order Number
STEU 63/24
STEU 63/48
STEU 63/23
STEU 100/24
STEU 100/48
STEU 100/23
STEU 160/24
STEU 160/48
STEU 160/23
STEU 250/24
STEU 250/48
STEU 250/23
STEU 320/24
STEU 320/48
STEU 320/23
STEU 400/24
STEU 400/23
STEU 500/24
STEU 500/48
STEU 500/23
STEU 630/24
STEU 630/23
STEU 800/24
STEU 800/48
STEU 800/23
STEU 1000/24
STEU 1000/48
STEU 1000/23
STEU 1600/23
STEU 2000/23
STEU 2500/23