Guarantee - ABB REJ 523 Technical Reference Manual

Overcurrent relay
Table of Contents

Advertisement

ABB Substation Automation
Products and Systems
1.4
1MRS750940-MUM
Technical Reference Manual
• MMI with an alphanumeric LCD and manoeuvring buttons.
• Settings are stored into non-volatile memory and remain even in case of power
supply failure.
• Two normally open power output contacts.
• Two change-over type signal output contacts.
• Output contact functions freely configurable for desired operation.
• Optical PC-connector for two-way data communication (front).
• RS-485 connector (rear) for system communication.
• Continuous self-supervision of hardware and software. At a permanent fault all
stages and outputs are blocked.
• Rated frequency user-selectable 50/60 Hz.
• User-selectable password protection for MMI.
• Display of primary current values.

Guarantee

Please inquire the guarantee of your nearest ABB representative.
REJ 523
5

Advertisement

Table of Contents
loading

Table of Contents