Protective Relays
WOUV DC Series, Over/Undervoltage
Product Facts
n
Product Specifications
PS
TRI
L S EWS
A
MIN SCR
TER - 32
#6
ANSI/IEEE C37.90-1978
The relay will energize at
normal voltage conditions.
The normally open contacts
will close, and the normally
closed contacts will open.
The relay will de-energize
during over or undervoltage
conditions. Reset is auto-
matic when the voltage
returns to normal.
2 13/16
2.0
3
3
7/
8
1/
2
2
3/
4
3
1/
2
11/64" DIA.
4 MTG. HOLES
Note:
Dimensions in inches. Multiply values by 25.4 for dimensions in mm.
Nominal Voltage (±10%)
—
12 VDC to 560 VDC
Drop-out Point (u/v models)
—
70-100% of nominal voltage,
screwdriver adjustable
Pick-Up Point (o/v models)
—
100-125% of nominal voltage,
screwdriver adjustable
Output Contacts
— One set N.O.,
One set N.C.
Contact Ratings
—
5 amp resistive at 120 VAC or 28 VDC
Operating Temperature Range
—
-40˚C to +75˚C
Temperature Effects
—
Less than 1% voltage drift over the tem-
perature range.
Power Consumption
—
12 to 60 VDC models — 1 W max.
120 to 305 VDC models — 2 W max.
405 to 470 VDC models — 3 W max.
560 VDC Model — 4 W max.
Time Delay
— A short duration delay
is provided to prevent nuisance tripping
due to momentary dips or surges in volt-
age. The drop-out delay, following a
voltage fault is 75 to 100 milliseconds
Notes:
1. Remove black screws for access
to the O/V and U/V trip adjust-
ment.
2. Clockwise rotation of the adjust-
ment potentiometer will raise the
voltage trip point.
3. The adjustments are by means of
a single turn potentiometer. Use a
small screwdriver and do not force
beyond the limit stops.
Single Phase
3
11
Protective Relays
Ordering Information
180
Percent of Nominal Voltage
Drop-Out Time Delay WOUV...DC Series
Sample Part Number
WOUV -12DC
-A
160
140
120
100
80
60
40
20
0
0
20
40
60
80
Time Delay (msec)
100
120
140
Type:
WOUV - Over/Undervoltage
Line Voltage VDC
12DC
125DC
18DC
240DC
24DC
250DC
28DC
305DC
32DC
405DC
48DC
430DC
60DC
470DC
120DC
560DC
Options:
Blank - Standard
A = 2 Form A Contacts
B = 2 Form B Contacts
H = 125 VDC Contacts
P = Transient Protection
Transient Protection
— All voltage
relays will withstand momentary voltage
surges of twice the nominal rated input
voltage (standard).
Option “P”
provides additional tran-
sient protection which complies with the
requirements of ANSI/IEEE C37.90-1978
Consult factory for additional
models.
11–15
Catalog 5-1773450-5
Revised 3-13
www.te.com
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
Dimensions are in millimeters
unless otherwise specified.
USA: +1 800 522 6752
Asia Pacific: +86 0 400 820 6015
UK: +44 800 267 666
For additional support numbers
please visit www.te.com
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