Datasheet > ESTAsym MD

ESTAsym MD

更新时间： 2024-11-03 14:52:31

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
5页	119K
描述
Capacitor Protection Relay

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中文翻译

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数据手册

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ESTAsym MD 数据手册

ESTAsym MD

www.vishay.com

Vishay ESTA

Capacitor Protection Relay

FEATURES

• Capacitor unbalance protection

• Line current unbalance protection

• Overvoltage protection

• Overheating protection

• Ground fault protection

• Overcurrent protection

• Undercurrent protection

• Capacitor bank discharge timer

APPLICATIONS

Protection of capacitor bank in double star or bridge

connection.

QUICK REFERENCE DATA

Type

Capacitor protection relay

Capacitor bank protection relay: unbalance, line current unbalance, overvoltage, overcurrent,

undercurrent, overheating, ground fault, discharge timer

Description

Rated data

Supply voltages: 100 V_ACto 240 V_AC, 50 Hz to 60 Hz / 100 V_DCto 375 V_DC/ 18 V_DCto 75 V_DC

Current data

Protecting level

4 current inputs: 1 A or 5 A

IP54

TECHNICAL DATA

Thermal current withstand

Power consumption

Measurement accuracy

Rated frequency

15 A continuous / 100 A, 1 s

1 VA per measuring circuit

Class 1

50 Hz / 60 Hz

Galvanic separation

Via current voltage transformer, dielectric strength of 2 kV

Potential-free change-over switch contacts for alarm and switch-off

Position of relay can be selected, picked up, or released

Contact rating 8 A / 265 V_ACor 0.3 A / 300 V_DCor 8 A / 30 V_DC

Signal outputs

Front: RS232 (9600 Bd)

Rear: RS485 and RS232

Interfaces

Operation: -10 °C to +60 °C

Storage: -20 °C to +70 °C

Temperature

Dimensions

Standards

135 mm x 135 mm x 121 mm

EN 50178 class 2, EN 61010-1, EN 50081-1, EN 50082-2

Note

Complete mounting instructions / manual available at www.vishay.com/doc?13173

•

Revision: 28-Mar-17

Document Number: 13177

For technical questions, contact: esta@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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中文翻译

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