3UG458. insulation monitoring relay
9.4 3UG4582/3UG4583 insulation monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
235
9.4
3UG4582/3UG4583 insulation monitoring relays
9.4.1
Operator controls and connection terminals
Front view/terminal labeling 3UG4582
Front view
Description
Position digits
①
Terminal block:
Screw-type connections are possible.
②
Test/RESET button
③
Status display: LED for device status (green)
④
Status display: LED for monitoring status F (red)
⑤
Status display: LED output contact status (yellow)
⑥
Label
⑦
Rotary button for adjusting the insulation resistance (R.2 for the units position of R)
⑧
Rotary button for adjusting the insulation resistance (R.1 for the tens position of R)
Setting value "0" is colored yellow.
1)
⑨
Device article number
Terminal labels
A1+
Rated control supply voltage ∼
/ +
A2-
Rated control supply voltage ∼
/ -
Y1
Control inputs; isolation control
Y1-Y3: Remote test
Y2-Y3: Remote reset/autoreset
Y2
Y3
L+
Measuring signal input, connection to phase or L+
L-
Measuring signal input, connection to phase, N conductor or L-
KE
Measuring signal input, control ground connection for open-circuit monitoring
Measuring signal input, ground connection
12
Output relay K1 CO contact NC contact
11
Output relay K1 CO contact root
14
Output relay K1 CO contact NO contact
1)
Information on setting accuracy
●
at setting value "0", a setting accuracy of >15 % applies for R
●
at setting value ">1", a setting accuracy of 8 % applies for R
You can find additional information on the connection terminals and the permissible
conductor cross-sections in the Chapter "Technical data (Page 265)".
You can find information on connecting in the Chapter "Circuit diagrams (Page 255)".