UD - 319472K - 101 -FRENDE
RK
RS1
RS2
F2
A
B
C
F1
Element Fuse characteristics (5x20)
Loaction of fuse to
be used
Receiver supplied with 12 VDC* 1 A / 250 VAC / T
F2
Receiver supplied with 24 VDC* 1 A / 250 VAC / T
F1
Receiver supplied with 24 VAC* 1,6 A / 250 VAC / T
F2
Receiver supplied with 48 VAC* 800 mA / 250 VAC / T
F1
Receiver supplied with 115 VAC* 315 mA / 250 VAC / T
F2
Receiver supplied with 230 VAC* 160 mA / 250 VAC / T
F1
Safety relays No protection
/
"Horn" relay No protection
/
"Control" relays No protection
/
5.5.3- Protection of receiver board and relays
- AC versions :
• Against overcurrents : 1 fuse on phase.
• Non-reversible thermal protection of transformer (in the event of overloads at
secondary).
- DC version :
• Against overcurrents : 1 fuse on +V.
• Against polarity inversions : 1 diode on +V.
Protection of power supplies
Fuse characteristics
* = Power supply according with UDR receiver model (see receiver reference)
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