Basler BE1-50/51B-218 - Section 1: General Information

9252000995 Rev G BE1-50/51B-218/-228 General Information i
SECTION 1 • GENERAL INFORMATION
TABLE OF CONTENTS
SECTION 1 • GENERAL INFORMATION ................................................................................................ 1-1
INTRODUCTION.................................................................................................................................... 1-1
FEATURES............................................................................................................................................ 1-1
Advantages......................................................................................................................................... 1-2
SPECIFICATIONS................................................................................................................................. 1-2
Current Sensing Input ........................................................................................................................ 1-2
Time Overcurrent (51) Element.......................................................................................................... 1-2
Instantaneous Overcurrent (50) Element........................................................................................... 1-5
Burden................................................................................................................................................ 1-6
Frequency Response ......................................................................................................................... 1-7
Transient Response ........................................................................................................................... 1-7
Harmonic Response........................................................................................................................... 1-7
Target Indicators ................................................................................................................................ 1-8
Output Contacts ................................................................................................................................. 1-8
Type Tests.......................................................................................................................................... 1-8
Environment ....................................................................................................................................... 1-9
Agency Recognition ........................................................................................................................... 1-9
Physical .............................................................................................................................................. 1-9
Figures
Figure 1-1. Integrating Reset Charac
teristic Curve................................................................................... 1-5
Figure 1-2. Instantaneous Characteristic Curves...................................................................................... 1-6
Figure 1-3. Burden Characteristics............................................................................................................ 1-7
Figure 1-4. Harmonic Rejection................................................................................................................. 1-8
Tables
Table 1-1. GE IAC Relays Suitable For
Direct Replacement.................................................................... 1-1
Table 1-2. Time Characteristic Curve Constants with SW3-3 Open (Off)................................................. 1-3
Table 1-3. Time Characteristic Curve Constants with SW3-3 Closed (On) .............................................. 1-4