2-1618112-2

Protective Relays 

**11** 

## **WUV/WOV Series** 

## **Product Facts** 

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TERMINAL STRIPS<br>#6 - 32 SCREWS<br>3.0<br>**----- End of picture text -----**<br>


- n **Function 27/59** n **ANSI/IEEE C37.90-1978** 

n **UL File No. E58048** ee x } **R** : rox yo Ce. n **CSA File No. LR61158 R** Voltage sensitive relays are available for both AC and DC applications for over/undervoltage protection.  Combination over/undervoltage relays provide bandpass capabilities.  AC relays are either single or three-phase type. Three phase models are designed to sense the aver- **Note:** age of the three phases or the highest single phase. Voltage trip points are ET screwdriver adjustable, and | operation is time-delayed so | that momentary voltage | transients will not cause nui| sance tripping. L - _ _ - _ 4| 11/64" DIA. 4 MTG. HOLES 

**Note:** Dimensions in inches. Multiply values by 25.4 for dimensions in mm. 

## **Product Specifications** 

**Nominal Voltage** — 120 VAC to 575 VAC 

**Phase** — Single or Three **Line Frequency** — 50-400 Hz **Pick-up to Drop-out Differential** — 2.5% maximum 

**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** — -20˚C to +65˚C 

**Power Consumption** — 2 VA maximum 

**Time Delay** — 150-300 ms (UV Model) **Minimum Life** — 500,000 operations 

**Notes:** 

1. Remove black screw for access to the voltage trip adjustment. 

2.  Clockwise rotation of the adjustment potentiometer will raise the voltage trip point. 

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Single Phase<br>**----- End of picture text -----**<br>


**Three Phase** 

## **Ordering Information** 

**Sample Part Number WUV -1 -120 Type:** WUV - Undervoltage WOV - Overvoltage **No. Phases** 1 = Single 3 = Three **Line Voltage VAC** 120 416 | 208 440 220 460 230 480 240 525 380 575 

**Options** 

P - Transient Protection 

A - Two Normally Open Contacts 

B - Two Normally Closed Contacts 

H - 125VDC, 3A Contacts 

**Typical Time Curve** 

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40.0<br>30.0 Overvoltage Relays<br>WOV Series<br>20.0<br>10.0<br>0.0<br>-10.0 Sica<br>0 0.05 0.1 0.15 0.2 0.25 0.3<br>Pick-Up Time Delay<br>Transient Protection  — All voltage<br>relays will withstand momentary voltage<br>surges of twice the nominal rated input<br>voltage (standard).<br>Voltage Above Set Point<br>**----- End of picture text -----**<br>


**Option “P”** provides additional transient protection which complies with the requirements of ANSI/IEEE C37.90-1978 

**Consult factory for additional models.** 

11–13 

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.