Compact Power
Device Description 27
787-1200 Power supply
Manual
Version 1.0.0
3.5.7
Equipment Protection
Table 18: Technical Data – Equipment Protection
Property
Wert
Internal input fuse
Value
Transient suppression at input
1 A T
Overload protection at output
Available
Overvoltage protection at output, max.
1)
105 … 170 % rated current per output
Feedback voltage, max.
2)
27 … 32 VDC
Protection type
Yes, max. 32 VDC
Ingress protection against foreign
objects
IP20
Overtemperature protection
3)
> 12.5 mm
Short circuit protection
3)
Yes
1)
Internal limitation using a second control circuit, deactivation of power supply, automatic restart
2)
The user must ensure that the voltage is not exceeded for power feedback.
3)
Shutdown, automatic restart
3.5.8
Safety
Table 19: Technical Data – Safety
Property
Value
Safety Transformer
According to EN 61558-2-16
Input and output insulation
SELV according to EN 60335-1
PELV
Protection Class
II
Discharge current, typ.
1)
≤
0.25 mA
Insulation resistance, input to output,
min.
2)
≥
100
MΩ/500 VDC
Dialectric strength according to
EN 60335-1 (input – output)
3)
3000 VAC
1)
At 230 VAC
2)
At 25 °C and 75 % RH
3)
Type testing / 60 s, see figure “Dielectric strength”