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| Voltage Sensitive Relays WILMARTM Protective Relays - WOUV DC Series, Over/Undervoltage Function: * 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 automatic when the voltage returns to normal. PS TRI L S EWS A MIN SCR TER - 32 #6 2 13/16 2.0 (+) (-) 3 3 3 7/ 8 1/ Drop-Out Time Delay WOUV...DC Series 2 4 3/ 2 2 1/ 3 180 160 140 120 100 80 60 40 Drop-Out Time Delay, WOUV DC Series Trip Setting: O/V - 110% U/V - 90% 13/64" DIA. 4 MTG. HOLES Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm. 20 0 0 20 40 60 80 Time Delay (msec) 100 120 140 PART NUMBER SELECTION Sample Part No. WOUV-12DC-A Type: WOUV - Over/Undervoltage Line Voltage VDC 125DC 12DC 18DC 240DC 250DC 24DC 305DC 28DC 405DC 32DC 430DC 48DC 470DC 60DC 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 transient protection which complies with the requirements of ANSI/IEEE C37.90-1978 Consult factory for additional models. 23 PRODUCT SPECIFICATIONS Part Number Nominal Voltage (10%) ................. Drop-out Point (u/v models) ........... Pick-Up Point (o/v models) ............. Output Contacts ............................... Contact Ratings ................................ Operating Temperature Range ........ Temperature Effects ......................... Power Consumption ........................ WOUV 12 VDC to 560 VDC 70-100% of nominal voltage, screwdriver adjustable 100-125% of nominal voltage, screwdriver adjustable One set N.O., One set N.C. 5 amp resistive at 120 VAC or 28 VDC -40C to +75C Less than 1% voltage drift over the temperature range. 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. A short duration delay is provided to prevent nuisance tripping due to momentary dips or surges in voltage. The drop-out delay, following a voltage fault is 75 to 100 milliseconds Time Delay ........................................ Notes: 1. Remove black screws for access to the O/V and U/V trip adjustment. 2. Clockwise rotation of the adjustment 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. Tyco Electronics / www.tycoelectronics.com / Factory Direct Technical Support: 800-253-4560, ext. 2023 (U.S., Canada, Mexico) or 805-220-2020, ext. 2023 (International) |
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