9.4.5.2 Wiring examples
Wiring examples 3UG4582 insulation monitoring relays
Measuring inputs L+ and L- can be connected to any conductor (phase or N conductor).
Measuring inputs L+ and L- must always be connected to dierent conductors.
The rated system voltage is U
n
≤ 250 V AC (15 to 400 Hz) or U
n
≤ 300 V DC.
2-wire AC system / 2-wire DC system
2-wire AC system 2-wire DC system
/
1
3(
$
<<<
.(
//
$
$
<<<
.(
//
$
3:0
'&
/
/
3(
3-wire AC system/3-wire DC system
3-wire AC system 3-wire DC system
/
/
/
3(
$
<<<
.(
//
$
$
<<<
.(
//
$
3:0
3:0
'&
'&
/
/
0
/
/
3(
/
/
4-wire AC system
4-wire AC system
/
/
/
1
3(
$
<<<
.(
//
$
/
/
/
1
3(
$
<<<
.(
//
$
3UG458. insulation monitoring relay.
9.4 3UG4582/3UG4583 insulation monitoring relays
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 193
To Next Page
Loading...
Need help?
General