Datasheet > WOUF

WOUF

更新时间： 2024-09-28 08:08:39

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泰科 - TE		继电器
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Frequency Sensitive Relays

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WOUF 数据手册

Frequency Sensitive Relays

WILMAR™ Protective Relays – WOUF Series, Over/Underfrequency

Function: 81 O/U

• ANSI/IEEE C37.90-1978

• UL file No. E58048

• CSA file No. LR61158

The output contacts of frequency relays are ener-

gized when the frequency exceeds the adjustable

set point. Overfrequency and underfrequency re-

lays are available in 50, 60 and 400Hz. Combination

over/underfrequency “band pass” relays are also

available. These are energized at rated frequency

and de-energized during overfrequency or

underfrequency conditions. Frequency Differential

relays are energized above the preset frequency.

The pick-up and drop-out frequency settings are

independently adjustable.

Operation:

The relay will energize at normal frequency; The

normally closed contacts will open and the normally

open contacts will close. The relay will drop-out after

time delay at overfrequency or underfrequency.

Typical Curves (WOUF Series)

/64" DIA.

4 MTG. HOLES

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

PART NUMBER SELECTION

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

PRODUCT SPECIFICATIONS

WOUF Series

Part Number

Drop-Out Time Delay

Nominal Voltage (±20%) .................

Nonimal Frequencies .......................

Trip Point ..........................................

120, 230, 380 and 460 volts

50, 60 and 400 Hz.

PART NUMBER SELECTION

Sample Part No.

Type:

WOUF-12-5060-T

Screwdriver adjustable. Adjustment range in

accordance with ordering information.

WOUF = Over/Underfrequency

Input Voltage (VAC)

12 = 120

-40^oC to +65^oC

Operating Temperature ....................

Differential ........................................ The frequency pick-up to drop-out differential is .5% max

23 - 230

38 = 380

Voltage Drift .....................................

± 0.05% maximum frequency error for input voltage

variation of ±10%

46 = 460

Frequency Range

UF Adj.

OF Adj.

See Time versus Frequency curves

In compliance with C37-90B ANSI/IEEE

One set N.O., one set N.C.

Time Delay ........................................

Surge Withstand Capability .............

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

50 =

60 =

40-50 Hz 50-60 Hz

50-60 Hz 60-70 Hz

400 = 350-400 Hz400-450 Hz

Time Delay Options

5 amp resistive at 120 VAC or 28 VDC

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

blank = Per Time Curve

T = Adjustable

Notes:

Remove black screws for access to the frequency and the time adjustments.

Clockwise rotation of the frequency potentiometer will raise the frequency trip point.

Clockwise rotation of the time adjustment, option "T" will increase the drop-out time delay.

Consult factory for additional models.

4 0

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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与WOUF相关器件

型号	品牌	获取价格	描述	数据表
WOUF-12-5060-T	TE	获取价格	Frequency Sensitive Relays
WOUV	TE	获取价格	Voltage Sensitive Relays
WOUV-12DC-A	MACOM	获取价格	Voltage Sensitive Relays
WOUVT	TE	获取价格	Voltage Sensitive Relays
WOUVT-1-120AC	TE	获取价格	Voltage Sensitive Relays
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WP0003	LATTICE	获取价格	Revolutionary Hardware Management Solutions
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