Basler Electric BE1-50/51B-218 - Manual (Page 38)

Equation for time to trip during rewind (before relay is reset).
  
Rewind Full
Time Rewind Trip Full
T
Occurence This Trip

Second Operation
  
15.5
3 0.209
T
B

seconds 0.040 T
B

Third Operation
  
15.5
11.96 0.209
T
C

seconds 0.161 T
C

CONNECTIONS
Typical ac input and dc control connections are shown in Figures 4-6 and 4-7. Refer to the block diagram
in Section 3 for relay internal connections.
4-6 BE1-50/51B-218/-228 Installation 9252000995 Rev H
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.
Figure 4-6. AC Input Connections