Communication Ports ....................................................................................................................... 1-24
Display .............................................................................................................................................. 1-25
Isolation ............................................................................................................................................ 1-25
Surge Withstand Capability .............................................................................................................. 1-25
Radio Frequency Interference (RFI) ................................................................................................ 1-25
Electrostatic Discharge (ESD) .......................................................................................................... 1-25
Shock ................................................................................................................................................ 1-25
Vibration ........................................................................................................................................... 1-25
Environment ..................................................................................................................................... 1-25
UL Recognition ................................................................................................................................. 1-25
C.S.A. Certification ........................................................................................................................... 1-25
GOST-R Certification ....................................................................................................................... 1-25
Patent ............................................................................................................................................... 1-25
Physical ............................................................................................................................................ 1-26
Figures
Figure 1-1. Restrained Differential Characteristic ..................................................................................... 1-8
Figure 1-2. Tap Adjust for Mismatch ......................................................................................................... 1-9
Figure 1-3. Currents on Different Voltage Bases ...................................................................................... 1-9
Figure 1-4. Delta/Wye Transformer Circuits ............................................................................................ 1-11
Figure 1-5. Three-Phase Connections, Delta-Wye Configuration, CT Compensation ............................ 1-12
Figure 1-6. Three-Phase Connections, Delta-Wye Configuration, Internal Phase Compensation ......... 1-13
Figure 1-7. Traditional Zero-Sequence Trap for Application with Ground Banks ................................... 1-14
Figure 1-8. Style Number Identification Chart ......................................................................................... 1-16
Figure 1-9. Typical 87 Response Characteristic Curves ......................................................................... 1-22
Tables
Table 1-1. Contact-Sensing Turn-On Voltages ....................................................................................... 1-23
Table 1-2. Contact-Sensing Input Burden ............................................................................................... 1-24
ii
BE1-CDS240 General Information
9365200990 Rev M
