Datasheet > 20-350

20-350

更新时间： 2024-10-15 06:24:35

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描述
WILMAR™ Protective Relays- 20-000 Series

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数据手册

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20-350 数据手册

Frequency Sensitive Relays

Function:

WILMAR™ Protective Relays – 20-000 Series

81 O

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.

#6 - 32 STUDS

6 PLACES

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).

/16

PART NUMBER SELECTION

/64" DIA.

4 MTG. HOLES

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

120VAC

PRODUCT SPECIFICATIONS

PART NUMBER SELECTION

Part Number

20-000 Series

Sample Part No.

Type:

20-050X

Input Voltage (±10%) ......................

Frequencies Range (adjustable)......

Differential ........................................

Temperature Range .........................

Temperature Drift.............................

Voltage Error ....................................

Contact Ratings ................................

Output Contacts ...............................

120 VAC, Single Phase

See Part Number Selection

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

Frequency pick-up to drop-out differential is 1% max

-40^oC to +85^oC

± 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.

blank = Stud

Consult factory for additional models.

Notes:

Remove screw for access to trip adjustment.

4 1

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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