Basler Electric BE1-50/51B-231 - Manual (Page 9)

9252000895 Rev C BE1-50/51B-231 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 ........................................................................................... 1-4
Burden ................................................................................................................................................ 1-6
Frequency Response ......................................................................................................................... 1-6
Transient Response ........................................................................................................................... 1-6
Harmonic Response ........................................................................................................................... 1-7
Target Indicators ................................................................................................................................ 1-7
Output Contacts ................................................................................................................................. 1-7
Type Tests .......................................................................................................................................... 1-7
Environment ....................................................................................................................................... 1-8
GOST-R Certification ......................................................................................................................... 1-8
Physical .............................................................................................................................................. 1-8
Figures
Figure 1-1. Integrating Reset Characteristic Curve ................................................................................... 1-4
Figure 1-2. Instantaneous Characteristic Curves ...................................................................................... 1-5
Figure 1-3. Harmonic Rejection ................................................................................................................. 1-7
Figure 1-4. Burden Characteristics ............................................................................................................ 1-6
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) .............................................. 1-3