Datasheet

Control- and isolating transformer
ST 800/4/23
Type ST 800/4/23
Input
Rated input voltage
400 Vac
Tappings Input
±5 %
Rated frequency
50 - 60 Hz
Output
Rated output voltage
230 Vac
Rated power VDE (DB cos phi=1)
800 VA
Rated power VDE (KB cos phi=0.5)
2,000 VA
No-load voltage (app. x factor)
1.04
Efficiency
92.0 %
UL Derating
630 VA
Standards
Classification
Control- and isolating transformer
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
1.60 - 2.50 A
Setting value
2.10 A
Order numbers
Order Number
ST 800/4/23
Type ST 800/4/23
Terminal and mounting
Terminals
Screw-type terminals, PE 6.3 x 0.8
Fixing method
Base plate
Fixing screws
M6
Measures and weights
Weight
9.80 kg
122.0
150.0 128.0
106.0
148.0
63.0
+
-
30
Subject to change.