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 PAGE 1Protective 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 n WD32 Reverse Power no maintenance. They are not designed 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 n WD5051 Single- or of the cutout containing the release clip Three-Phase Overcurrent over the opposite side of the DIN rail. To remove or reposition the relay, lever Relays the release clip and move the relay as n WD81OU Over/ required. WD series relays should be Underfrequency Relays installed in a dry location where the The WD series offers ambient temperature will be within the n File E58048, R several different models operating temperature range. DIN EN50022-35 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 the requirements for a given application. for 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) AEROSPACE, DEFENSE & MARINE /// HIGH PERFORMANCE RELAYS