9137300990 Rev J
BE1-81O/U Introduction
i
INTRODUCTION
This instruction manual provides information about the operation and installation of the BE1-81O/U Digital
Frequency Relay. To accomplish this, the following information is provided:
•
General Information and Specifications
•
Controls
and
Indicators
•
Functional
Description
•
Installation
•
Testing
WARNING
!
To avoid personal injury or equipment damage, only qualified personnel should
perform the procedures in this manual.
NOTE
Be sure that the relay is hard-wired to earth ground with no smaller than 12 AWG
copper wire attached to the ground terminal on the rear of the unit case. When
the relay is configured in a system with other devices, it is recommended to use a
separate lead to the ground bus from each unit.
Summary of Contents for BE1-81O/U
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