Basler Electric BE1-87G - Manual (Page 3)

9170800990 Rev N BE1-87G Introduction i
INTRODUCTION
This instruction manual provides information about the operation and installation of the BE1-87G Variable
Percentage Differential relay. To accomplish this, the following information is provided:
 General Information and Specifications
 Controls and Indicators
 Functional Description
 Installation
 Testing and Setting
WARNING!
To avoid personal injury or equipment damage, only qualified personnel should
perform the procedures in this manual.
NOTE
Be sure that the BE1-87G 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 BE1-87G is configured in a system with other devices, it is
recommended to use a separate lead to the ground bus from each unit.