Rectifiers
42
©
2021 KEB America, Inc.
7.1.3 OEX Switch Wiring Diagrams
The OEX Rectifier excites the brake magnet with the nominal voltage and then reduces
the voltage by 50% for holding. This reduced holding voltage significantly reduces the
power consumption and speeds up the engagement of the brake when the voltage is
switched off.
AC Side – Independent Contactor Switching – Phase to Phase
Figure 4.2.4
Switching: AC Side
Rectifier: OEX Switch
Model Number: 9098200-CE09
Line Voltage: 208VAC
Input Voltage: 208VAC
Coil Voltage: 170VDC
Line Voltage: 230VAC
Input Voltage: 230VAC
Coil Voltage: 205VDC
F
brk
= Class CC fuse max. 5A Independent Contactor rated 300VAC, min 5A AC1
Figure 27 OEX Wiring AC Side Switching - Independent Contactor Switching - Phase to Phase