SIEMENS
10/99
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate
Relays
SIRIUS 3UG45, 3UG46 Monitoring Relays for Stand-Alone Installation
Insulation Monitoring
For ungrounded AC networks
10
■
Selection and ordering data
•
Auto or Manual RESET
•
Closed-circuit principle
•
1 CO contact
•
Fault memory adjustable using control input (Y2-Y3)
•
Reset by means of button on front or using control input
(Y2-Y3)
•
Test by means of button on front or using control input (Y1-Y3)
For accessories,
see page 10/110
.
Type
3UG4581
Dimensions (W x H x D)
mm
22.5 x 100 x 100
Connection type
Screw terminals
• Solid
mm
2
2 x (0.5 ... 4)
• Finely stranded with end sleeve
mm
2
2 x (0.75 ... 2.5)
• AWG cables, solid or stranded
AWG
2 x (20 ... 14)
General data
Rated insulation voltage
U
i
Pollution degree 3
Overvoltage category III acc. to IEC 60664
V
400 supply circuit/measuring circuit
300 supply circuit/output circuit
Rated impulse withstand voltage
U
imp
kV
6
Rated control supply voltage
V
24 ... 240 AC/DC
Rated frequency
Hz
15 ... 400
Measuring circuit
Rated line voltage of the network being monitored
V
0 ... 400
Rated frequency of the network being monitored
Hz
50 ... 60
Setting range for insulation resistance
k
1 ... 100
Control circuit
Load capacity of the output relay
• Thermal current
I
th
A
4
Rated operational current
I
e
at
• AC-15/24 ... 400 V
A
3
• DC-13/24 V
A
2
Minimum contact load
at 24 V DC
mA
10
W
H
D
Rated line
voltage
U
n
Measuring
range
U
e
Rated control
supply voltage
U
s
System
leakage
capaci-
tance
SD
Screw terminals
PU
(UNIT,
SET, M)
PS*
PG
V AC
k
V
F
d
Article No.
Price
per PU
Insulation monitors for ungrounded AC networks
3UG4581-1AW30
0 ... 400
1 ... 100
24 ... 240 AC/DC
Max. 10
5
3UG4581-1AW30
1
1 unit
41H
© Siemens AG 2016