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參數資料
| 型號： | WUVT-3220 |
| 元件分類： | 功率/信號繼電器 |
| 英文描述： | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| 文件頁數： | 1/1頁 |
| 文件大?。?/td> | 70K |
| 代理商： | WUVT-3220 |
Function:
21
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)
ANSI/IEEE C37.90-1978
UL file No. E58048
CSA file No. LR61158
Undervoltage Models - The relay is energized at
normal voltage, N.C. contacts will open and N.O.
contacts will close. The relay will de-energize when
the voltage drops and remains below the U/V set
point for the duration of the set time delay.
Overvoltage Models - The relay is de-energized at
normal voltages, N.C. contacts are closed and N.O.
contacts are open. The relay will energize, when the
voltage rises and remains above the O/V set point for
the duration of the set time delay.
Voltage Sensitive Relays
PRODUCT SPECIFICATIONS
Sample Part No.
WUVT-1-120
Type:
WUVT - Undervoltage
WOVT- Overvoltage
No. Phases
1 = Single
3 = Three (line to line)
Line Voltage VAC
100
115
120
150
200
208
220
230
Options:
Blank - Standard
A = 2 Form A Contacts
B = 2 Form B Contacts
H = 125VDC 3A 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.
Notes:
1. Remove black screws for access to the voltage and time delay adjustment potentiometer.
2. Clockwise rotation of the voltage adjust potentiometer will raise the voltage trip point.
3. Clockwise rotation of the time adjust potentiometer will increase the time delay (Pick-up
time for O/V models, drop-out time for U/V models).
4. The adjustments are single turn potentiometers, use a small screwdriver and do not force
beyond the limit stops.
5. On U/V models, when the voltage falls to approximately 33% of nominal or below, the relay
will drop out in 0.150 to 0 .300 seconds, regardless of the time delay setting.
PART NUMBER SELECTION
Part Number
Nominal Voltage ...............................
Phase ................................................
Line Frequency .................................
Pick-up to Drop-out Differential ......
Drop-out Point (u/v models) ...........
Pick-Up Point (o/v models) .............
Output Contacts ...............................
Contact Ratings ................................
Operating Temperature Range ........
Power Consumption ........................
Time Delay ........................................
Voltage Reset ...................................
WUVT/WOVT
100 VAC to 575 VAC
Single or Three
50-400 Hz
1% typical
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
-40
°C to +70°C
3 VA maximum
0.5 to 20 seconds, screwdriver adjustable
The reset is automatic when voltage returns to normal.
240
380
416
440
460
480
525
575
Single Phase
Three Phase
13
/64" DIA.
4 MTG. HOLES
3
5/
8
4
1/
8
4
1/
2
3.0
TERMINAL STRIPS
#6 - 32 SCREWS
3
1
/2
4
1
/4
27/59
WILMAR Protective Relays – WUVT/WOVT Series
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.
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