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MUV-A3 Series Undervoltage 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.
Ratings and Specifications
Type name
Style No.
Voltage
Ratings
Frequency
Operation value
Settings
Operating time
Frequency
Self-monitoring
Operation indicator
Display
Numerical display
Test button
(Forced operation)
Power consumption (VT)
Case
(Munsell color)
Mass
(*) shows factory setting.
MUV-A3V-R
106PGA
LOCK
0.1
(*)
The "RUN" indicator (green-color) is lighted in normal condition.
The indicator turns from black into orange color when the protection element is
put into operation. (Manual resetting type)
Indication item
Voltage measurement
Pickup
Operation value setting
Operating time setting
Frequency setting
Fault record
Clear fault record
TEST (Forced operation)
※1 "Lo." means LOCK setting (the protection element is locked).
※2 If the fault value is less than 25V, the record shown on the display is "0".
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).
Unit-fixed type
(Fig. 4-8)
(0.6B7.6/0.2)
Approx. 0.6kg
6
4. The power supply can be derived from VT secondary.
5. Panel cutout is the same as previous MELPRO-A series
and E series.
110V
50/60Hz (switchable)
-60-65-70-75-80-85-90-95-100V
(*)
-0.2-0.5-1.0-1.5-2.0-2.5-3.0-4.0-5.0s
50Hz(SW1-ON) - 60Hz
(SW1-OFF)
(*)
55～130V
U.
Lo.
,60～100V
(※1)
0.1～5.0s
50,60Hz
0,25～100V
O.K.
F.O.
Normal：3.0VA Operating：3.0VA
MUV-A3V-RD
521PGA
Range
(※2)
Unit-drawer type
(Fig. 4-9)
(0.6B7.6/0.2)
Approx. 0.7kg
JEP0-IL9556
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