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参数资料
| 型号： | WOF-38-4050 |
| 元件分类： | 功率/信号继电器 |
| 英文描述： | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| 文件页数： | 1/1页 |
| 文件大小： | 75K |
| 代理商： | WOF-38-4050 |
Function:
39
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
Application:
The output contacts of frequency relays are ener-
gized when the frequency exceeds the adjustable set
point. Overfrequency and underfrequency relays are
available in 50, 60 and 400Hz. Combination over/
underfrequency “band pass” relays are also avail-
able. These are energized at rated frequency and de-
energized during overfrequency or underfrequency
conditions.
Frequency Differential relays are ener-
gized above the preset frequency. The pick-up and
drop-out frequency settings are independently ad-
justable.
Frequency Sensitive Relays
PRODUCT SPECIFICATIONS
Sample Part No.
WUF-12-5060-T
Type:
WUF = Underfrequency
WOF = Overfrequency
Input Voltage (VAC)
12 = 120
23 - 230
38 = 380
46 = 460
Frequency Range
4050 = 40-50 HZ
5060 = 50-60 HZ
6070 = 60-70 HZ
3540 = 350-400 HZ
4045 = 400-450 HZ (overfrequency only)
Time Delay Options
blank = Per Time Curve
T = Adjustable
Consult factory for additional models.
PART NUMBER SELECTION
Notes:
1.
Remove black screws for access to the frequency and the time adjustments.
2.
Clockwise rotation of the frequency potentiometer will raise the frequency trip point.
3.
Clockwise rotation of the time adjustment, option "T" will increase the time for overfrequency relays and
dropout time for underfrequency relays..
PART NUMBER SELECTION
Part Number
Nominal Voltage (
±20%) .................
Nonimal Frequencies .......................
Trip Point ..........................................
Operating Temperature ....................
Differential ........................................
Voltage Drift .....................................
Time Delay ........................................
Surge Withstand Capability .............
Output Contacts ...............................
Contact Ratings ................................
WOF/WUF
120, 230, 380 and 460 volts
50, 60 and 400 Hz.
Screwdriver adjustable.
Adjustment range in accordance
with ordering information.
-20oC to +65oC
The frequency pitch-up to drop-out differential is .5% max
± .05% maximum frequency error for input voltage
variation of
±10%
See Time versus Frequency curves
In compliance with C37.90B ANSI/IEEE
One set N.O., one set N.C.
5 amp resistive at 120 VAC or 28VDC
Time Delay
Standard Time Delay
A minimum, fixed inverse time delay is incorporated in
all frequency relays to prevent nuisance tripping and is
represented by the typical curves shown below.
Adjustable Time Delay
If additional time delay is required, a suffix "T" must be
added to the part number. This allows the minimum
fixed time delay to be field-adjustable up to 20 seconds
11
/64" DIA.
4 HOLES
3
5/
8
4
1/
8
4
1/
2
2 1/2
3
1
/2
4
1
/4
Typical Curves (WUF Series)
30
35
40
45
50
55
60
01
23
45
6
Drop-Out Time Delay
Typical Curves (WOF Series)
60
65
70
75
80
85
90
0
1
2
3456
Pick-Up Time Delay (sec)
81 O/U
WILMAR Protective Relays – WOF & WUF Series
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.
Overfrequency Relay
Model WOF-12-6070
70 Hz. Setting
65 Hz. Setting
62 Hz. Setting
58 Hz. Setting
55 Hz. Setting
50 Hz. Setting
Underfrequency Relay
Model WUF-12-5060
相关PDF资料 |
PDF描述 |
|---|---|
| WOF-38-5060 | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| WOF-38-6070 | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| WOF-46-3540 | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| WOF-46-4045 | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
| WOF-46-4050 | POWER/SIGNAL RELAY, MOMENTARY, 5A (CONTACT), 28VDC (CONTACT), PANEL MOUNT |
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