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720

更新时间： 2024-01-04 23:45:06

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WILMARâ¢ Protective Relays - 700 Series

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数据手册

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720 数据手册

Reverse Power Relays

WILMAR™ Protective Relays – 700 Series

Function:

• ANSI/IEEE C37.90-1978

• UL file No. E58048

• CSA file No. LR61158

TERMINAL STRIPS

#6 - 32 SCREWS

Several types of Reverse Power Relays are available

including relays sensitive to reverse reactive power

(KVAR). WILMAR is the leading brand of reverse power

relays. Our rugged sealed construction provides con-

tinuous and reliable operation unaffected by shock,

vibration or other severe environments. Reverse Power

Relays are used for the protection of generator sets

operating in parallel.

3 ¹³

/16

80%

70%

60%

50%

/64

" DIA.

4 MTG. HOLES

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

40%

PART NUMBER SELECTION

Model 710 (X)

Designed for 120, 220 or 266 volt

30%

20%

10%

Model 720 (X) thru 724 (X)

For operation on three phase,

three wire circuits

line to neutral connection

0.000

0.100

0.200

0.300

0.400

Time Delay (seconds)

PRODUCT SPECIFICATIONS

700 Series

PART NUMBER SELECTION

Part Number

Sample Part No.

710X

Line Voltage...................................... Model 710X = 120 V, 220 V or 266 V

Type: ± 20%

line to neutral sensing

710 = 120 V, 220 V, 266 V line to neutral

720 = 120 V, L-L, 3 Phase

721 = 230 V, L-L, 3 Phase

722 = 380 V, L-L, 3 Phase

723 = 460 V, L-L, 3 Phase

724 = 575 V, L-L, 3 Phase

725 = 416 V, L-L, 3 Phase

Mounting:

Line Frequency ................................. 50-500 Hz.

Current Requirements ..................... 0 to 5 amp max direct or from CT with 5 amp

secondary

Screwdriver adjustable 4% to 20% (of the 5 amp rating)

Inverse Delay - See Chart

Trip Adjustment ...............................

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

X = Flange

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

Blank - Stud

5 amp resistive at 120 AC or 28 Vdc

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

Power Consumption ........................

Options:

7 = Reverse Inductive

P = Surge Suppression

Voltage circuit: 2 VA max.

Current circuit: 4 VA max.

Consult factory for additional models.

Notes:

1. Remove screw for access to the pick-up adjustment.

2. Clockwise rotation of the adjustment will raise the reverse trip point.

3. This relay senses true power, which is a product of voltage, current and phase angle.

Connections and polarity must be obversed in accordance with the provided diagrams.

2 8

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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