32
EATON
www.eaton.com
Instruction Booklet
IB020003EN
Effective January 2021
AMPGARD RVSS
Reduced Voltage Soft-Starter
User Manual
Figure 22.
1
2
3
5
4
6
Legend
1. Input/Output (I/O) Board with diital signal processor (DSP)
4. 24 VDC power supply (PS1)
2. PS1 and PS2 line fuses
5. CT RF filter (EMI)
3. Relays (RY1, RY2, TRPX)
6. Base Control Module (BCM)
RVSS low voltage compartment components.
6.2 Power module
The RVSS SCR truck assembly consists of three Power Poles (see
). Each Power Pole has stab connections on the rear of the
unit to connect to each phase from the starter contactor, and to the
output cables running to the RVSS output terminals (see
TO PREVENT DAMAGE TO THE RVSS, DISCONNECT MV CABLES FROM THE
STARTER BEFORE PERFORMING ANY DIELECTRIC TESTING SUCH AS IR
MEGGERING.
Figure 23. RVSS SCR truck assembly - front.