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20-000 Datasheet(PDF) 1 Page - Tyco Electronics

Part # 20-000
Description  WILMAR??Protective Relays- 20-000 Series
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Manufacturer  MACOM [Tyco Electronics]
Direct Link  http://www.macom.com
Logo MACOM - Tyco Electronics

20-000 Datasheet(HTML) 1 Page - Tyco Electronics

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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)
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 between the preset frequencies. The pick-up
and drop-out frequency settings are independently
adjustable.
Operation:
The normally open contacts close, and the normally
closed contacts open, at all frequencies above the set
point. The contacts in the connection diagram, are
shown in the de-energized position (below the trip
set point).
Frequency Sensitive Relays
PRODUCT SPECIFICATIONS
Sample Part No.
20-050X
Type:
20 - Frequency
Frequency Range
040 = 40-50 Hz
050 = 50-60 Hz
060 = 60-70 Hz
350 = 350-500 Hz
400 = 400-450 Hz
Mounting Options
X = Flange
blank = Stud
Consult factory for additional models.
PART NUMBER SELECTION
Notes:
1.
Remove screw for access to trip adjustment.
PART NUMBER SELECTION
Part Number
Input Voltage (
±10%) ......................
Frequencies Range (adjustable) ......
Differential ........................................
Temperature Range .........................
Temperature Drift .............................
Voltage Error ....................................
Contact Ratings ................................
Output Contacts ...............................
20-000 Series
120 VAC, Single Phase
See Part Number Selection
Frequency pick-up to drop-out differential is 1% max
-40oC to +85oC
± 1% frequency error over temperature range
± 1% for input voltage of 120 VAC ± 10%
5 amp resistive at 120 VAC or 28 VDC
One set N.O., one set N.C.
120VAC
81 O
11/64" DIA.
4 MTG. HOLES
3 13/16
4 1/2
#6 - 32 STUDS
6 PLACES
2
3 /4
3
1 /2
WILMAR™ Protective Relays – 20-000 Series
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.


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