Datasheet > 777-ACCUPOWER

777-ACCUPOWER

更新时间： 2024-11-06 14:56:19

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
4页	226K
描述
The 777-AccuPower three-phase motor and pump relay provides protection with input voltage from 190–480 V ac and full load ampere range as follows: 2–25 A: 3-phase (looped conductors required); 25–90 A: 3-phase (direct); 80–800 A: 3-phase (external CTs).

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777-ACCUPOWER 数据手册

Motor and Pump Protection Relays

777-ACCUPOWER

3-Phase Current & Voltage Monitor

Description

The 777 AccuPower is a fully-programmable, 3-phase motor and pump protection relay. It allows for entry of motor hp

rating, full-load amperes, efficiency, and power factors, and will then accurately calculate motor output power. The 777

AccuPower relay is most useful with mag-drive pumps or process applications where the process power is desired over

the utility power. Voltage, current, and power measurements can be displayed as well as fault information and setpoints.

The built-in display simplifies troubleshooting and allows the user to easily and precisely configure setpoints.

The 777 AccuPower can be used with the optional COM 4-20 output communication module to give an analog signal

proportional to output shaft power. Other optional accessories include the RS485MS-2W comms module; the RM1000

remote monitor; and the RM2000 remote monitor. See the accessories products for complete information.

Features & Beneﬁts

FEATURES

BENEFITS

Visual indication for programming, viewing real-time voltage

or current, and last fault code

Built-in display

Motor output power measurement

Network communications capability

Allows use of process power over utility power

Limited Modbus capabilities using RS485MS-2W

communications module

Allows separate restart delay time for rapid cycle protection,

motor cool down, and dry-well recovery

3 programmable restart delay timers

Remote display compatibility

Increases safety through remote display of real-time data and

fault history. Aids with arc-flash safety regulations

Applications

• For use with mag-drive pumps or process applications where the process power is desired over the utility power

Littelfuse.com/777ACCUPOWER

Speciﬁcations are subject to change without notice.

Revised: 11/02/2022

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