32 Device Description
Compact Power
787-1211 DC power supply, 12 V
Manual
Version 1.
1
.0
P o s :
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3.6.7
Equipment Protection
P o s :
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Table 20: Technical Data – Equipment Protection
Property
Value
Internal input fuse
1)
T 3.15 A / 250 V
Transient suppression at input
Varistor
Overload protection at output
122 … 170 % rated current per output
Overvoltage protection at output, max.
2)
16 … 20 VDC
Feedback voltage, max.
3)
Yes, max. 16 VDC
Protection type
IP20
Ingress protection against foreign
objects
> 5 mm
Overtemperature protection
4)
Yes
Short circuit protection
4)
Yes
1)
Used only as an AC fuse.
An external DC fuse must be used w ith DC supply (see Section “Accessories”).
2)
Internal limitation using a second control loop, deactivation of pow er supply, automatic restart
3)
The user must ensure that the voltage is not exceeded for pow er feedback.
4)
Shutdow n, automatic restart
P o s :
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