Data Sheet

70 Series - Line monitoring relay
Front view: function selector and regulators
LED indication
70.11 70.31 70.41
6
Functions:
OV, OVm, UV,
UVm, W, Wm
T
off delay
:
(0.5...60) sec
U
Max
:
(220...270) V
U
Min
:
(170...230) V
Functions:
OV, OVm, UV,
UVm, W, Wm
T
off delay
:
(0.5...60) sec
T
off delay
:
(0.5...60) sec
U
Max
:
(380...480) V
U
Min
:
(300...400) V
N = With N-line
monitoring
N = Without N-line
monitoring
U
Max
:
(380...480) V
(4...25) % U
N
U
Min
:
(300...400) V
IX-2012, www.findernet.com
Monitoring relay
Type
70.11.8.230.2022
Supply system normal
Supply system abnormal
(Voltage out of limits,
switch-off delay
time T running)
Supply system abnormal
(Reason for switch-off,
RESET necessary when”with Memory”* is selected)
LED
•
•
Overvoltage OV and OVm
Undervoltage UV and UVm
With Memory, following a
failure a manual “RESET”
** is necessary
70.61.8.400.0000
•
Phase rotation or
Phase loss
70.31.8.400.2022
•
•
•
Overvoltage OV and OVm
Undervoltage UV and UVm
Phase loss
Phase rotation
With Memory, following a
failure a manual “RESET”
** is necessary
70.41.8.400.2030
•
•
•
Overvoltage OV
Undervoltage UV
Phase loss
Asymmetry
Neutral loss
Phase rotation
* The function “with Memory” is only available for type 70.11 and 70.31.
**It is necessary to switch the supply OFF and then On again (U off U on) or to rotate the function selector first to an adjacent position and then
to the original position.
Contact 11 - 14 closed
Contact 11 - 14 closed
Contact 11-14 open