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250X: 产品描述WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage; 文件大小67KB，共1页; 制造商MACOM; 官网地址http://www.macom.com

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250X概述

WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage

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Voltage Sensitive Relays

WILMAR™ Protective Relays – 250 Series, Over/Undervoltage

Function:

27/59

•

ANSI/IEEE C37.90-1978

The 250 series relays provide combined Overvolt-

age and Undervoltage protection in a single

compact unit.

6 -32 STUDS (6)

Models are available for single phase or three

phase applications, and are suitable for either 50

Hz, 60 Hz, or 400 Hz operation. The trip point is

adjustable.

A transistorized circuit provides a sharp and

accurate response at the preset tripping voltage;

unaffected by temperature or frequency variations.

Single

Phase

Note:

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

Part Number

Nominal Voltage ...............................

Undervoltage Trip ............................

Overvoltage Trip ...............................

Pick-Up to Drop-Out Differential .....

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

Contact Form ....................................

Operating Temperature Range ........

Notes:

1. Remove screws for access the overvoltage or undervoltage trip adjustments. Clockwise rotation

of the adjustment potentiometer will raise the trip point.

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)

3.5

B.C

2.7

3.5

/ DIA.

4 MTG. HOLES

13 64

Three

Phase

Contact Arrangements

NC - Open at nominal voltage. Closed at

Overvoltage and Undervoltage

N O - Closed at nominal voltage. Open at

Overvoltage and Undervoltage

PRODUCT SPECIFICATIONS

PART NUMBER SELECTION

Sample Part No.

250X

250 Series

See Part Number Selection

70-100% of nominal voltage, screwdriver adjustable

100-125% of nominal voltage, screwdriver adjustable

3% maximum

5 amp resistive at 120 VAC or 28 VDC

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

-20°C to +85°C

Model: L-L Volts

250X = 120 VAC, 1 Phase, 50-400 Hz

251X = 120/208 VAC, 3 Phase, 4 Wire, 50-400 Hz

252X = 115 VAC, 3 Phase, 3 Wire, 50-400 Hz

253X* = 230 VAC, 3 Phase, 3 Wire, 50-400 Hz

254X* = 380 VAC, 3 Phase, 3 Wire, 50-400 Hz

255X*= 460 VAC, 3 Phase, 3 Wire, 50-400 Hz

256X* = 575 VAC, 3 Phase, 3 Wire, 50-400 Hz

Mounting

Blank = Stud

X = Flange

Enclosure heigth is 3.835"

Consult factory for additional models.

250X相似产品对比

	250X	251X	255X	253X	252X	254X	256X
描述	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage	WILMAR垄芒 Protective Relays - 250 Series, Over/Undervoltage

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