6
JEP0-IL9557
MOV-A3 Series Overvoltage Relay [Standard: JEC 2520 (2018)]
Features
1. Alert function which detects the difference between
setting frequency and injected frequency.
2. The fault value record function is installed.
3. Good operability and visibility design is adopted.
The numerical display turns on for 3 seconds when the
setting value is changed, which enables to check
setting values easily.
4. The power supply can be derived from VT secondary.
5. Panel cutout is the same as previous MELPRO-A series
and E series.
Ratings and Specifications
Type name
MOV-A3V-R
MOV-A3V-RD
Style No.
107PGA
522PGA
Ratings
Voltage
110V
Frequency
50/60Hz (switchable)
Settings
Operation value
LOCK
(*)
-115-120-125-130-135-140-145-150V
Operating time
0.1
(*)
-0.2-0.5-1.0-1.5-2.0-2.5-3.0-4.0-5.0s
Frequency
50Hz(SW1-ON) - 60Hz
(*)
(SW1-OFF)
Display
Self-monitoring
The "RUN" indicator (green-color) is lighted in normal condition.
Operation indicator
The indicator turns from black into orange color when the protection element is
put into operation. (Manual resetting type)
Numerical display
※
1 "Lo." means LOCK setting (the protection element is locked).
Indication item
Range
Voltage measurement
80
～
160V
Pickup
U.
Operation value setting
Lo.
(
※
1)
,115
～
150V
Operating time setting
0.1
～
5.0s
Frequency setting
50,60Hz
Fault record
115
～
165V
Clear fault record
O.K.
TEST (Forced operation)
F.O.
Test button
(Forced operation)
By turning the indicator select switch to "TEST" and pushing "TEST" button for
2 seconds or more, output contact can be forced to operate (except for the case
of LOCK setting).
Power consumption (VT)
Normal
：
4.0VA Operating
：
6.0VA
Case
(Munsell color)
Unit-fixed type
(Fig. 5-8)
(0.6B7.6/0.2)
Unit-drawer type
(Fig. 5-9)
(0.6B7.6/0.2)
Mass
Approx. 0.6kg
Approx. 0.7kg
(*) shows factory setting.
