Protective Relays
Protective Relays
Table of Contents
KILOVAC WD Series, DIN Rail or Screw Mounted Protective Relays
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-2
KILOVAC WD25 Paralleling Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-3
KILOVAC WD2759 Over/Undervoltage Relays . . . . . . . . . . . . . . . . . . . . . . . . . .11-4, 11-5
KILOVAC WD32 Reverse Power Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-6, 11-7
KILOVAC WD47 Phase Sequence Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-8
KILOVAC WD5051 1 and 3 Overcurrent Relays . . . . . . . . . . . . . . . . . . . . . .11-9, 11-10
KILOVAC WD81OU Over/Underfrequency Relays . . . . . . . . . . . . . . . . . . . . . . . . . . .11-11
Voltage Sensitive Relays
WUV/WOV DC Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12
WUV/WOV Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-13
WUVT/WOVT Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-14
WOUV DC Series, Over/Undervoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-15
WOUVT Series, Over/Undervoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-16
250 Series, Over/Undervoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-17
D100X Series, Close Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-18
D101X Series, 3 Phase Adjustable, Close Differential . . . . . . . . . . . . . . . . . . . . . . . .11-19
Reverse Power Relay
700 Series w/ Adjustable Time Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-20
11
Phase Failure Relay
1000 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-21
Phase Sequence Relay
900 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-22
Current Balance Relay
WCB Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-23
Current Sensitive Relays
WC1 & WCT1 Series, Overcurrent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-24
WC3 & WCT3 Series, Overcurrent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-25
Current Differential Relay
WCD Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-26
Paralleling Relays
1800 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-27
Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-27
Frequency Sensitive Relays
WOF & WUF Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-28
WOUF Series, Over/Underfrequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-29
20-000 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-30
25-000 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-31
20-050-19 Series (Voltage/Frequency) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-32
Ground Fault Relays
WGD Series Floating Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-33
WC1G Series Grounded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-34
Additional Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-35 11-43
111
Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters USA: +1 800 522 6752 For additional support numbers
Revised 3-13 reference purposes only. unless otherwise specified. Asia Pacific: +86 0 400 820 6015 please visit www.te.com
Specifications subject UK: +44 800 267 666
www.te.com to change.Protective Relays
KILOVAC WD Series, DIN Rail or Screw Mounted Protective Relays
Product Facts
n WD25 Paralleling (Synch
Check) Relays
n WD2759 Over/undervoltage
Maintenance WD series protective
Installation and Maintenance
Relays
relays are solid state devices that require
Information
no maintenance. They are not designed
n WD32 Reverse Power
Installation To mount the WD
to be serviced by the user. Consult
Relays
series protective relay on a DIN rail,
KILOVAC customer service at 805-220-
hook the top edge of the cutout on the
n WD47 Phase Sequence
2023 if repairs should be necessary.
base of the case over one edge of the
Relays
DIN rail, then press the opposite side of
n WD5051 Single- or Three- the cutout containing the release clip
over the opposite side of the DIN rail. To
Phase Overcurrent Relays
remove or reposition the relay, lever the
n WD81OU
release clip and move the relay as
Over/Underfrequency Relays
required. WD series relays should be
installed in a dry location where the
n File E58048, The WD series offers
ambient temperature will be within the
DIN EN50022-35 R several different models
operating temperature range.
of protective relays in a
common package that is
suitable for either DIN rail
or screw mounting. These
flexible, multifunction
Outline Dimensions
devices offer user selectable
Users should thoroughly review the
voltages, sense currents
technical data before selecting a product 16 X M3.5
and frequencies. Adjustable
part number. It is recommended that user
time delays are standard.
also seek out the pertinent approvals
files of the agencies/laboratories and This allows a single part
review them to ensure the product meets
number to be suitable for
the requirements for a given application.
multiple applications,
1.38
2.87
thereby reducing inventory (35.0)
(73.0)
costs.
Specifications Common to
All Models
Power Consumption
2.5VA, maximum.
Contact Ratings
5 amps, resistive, at 120VAC.
5 amps, resistive, at 30VDC.
Isolation from Control to Sense
Inputs 2,500VAC.
4.41
Mechanical Life (112.0)
10 million operations.
Shock 10g.
Vibration 0.062 (1.57) double
amplitude at 10-55 Hz.
0.35
(9.0)
Terminals M3.5 screws.
Maximum Wire Size 2 x 24 AWG
2
(2.5mm ) solid to DIN 46288 or 2 x 16
2
AWG (1.5mm ) stranded w/end sleeves.
2.95
(75.0)
Operating Temperature Range
-40C to +60C.
Enclosure Plastic case (not sealed).
M5
2.36
M4 (60.0)
Mounting Options Snap mounts
on standard DIN rail (DIN-EN 50022-35)
or panel mounts with M4, M5, #8 or
#10 screws.
2.36
(60.0)
Weight 14.4 oz. (400g) approxi-
mately.
1.97
(50.0)
112
Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters USA: +1 800 522 6752 For additional support numbers
Revised 3-13 reference purposes only. unless otherwise specified. Asia Pacific: +86 0 400 820 6015 please visit www.te.com
Specifications subject UK: +44 800 267 666
www.te.com to change.