SIRIUS 3RU2/3RB3 overload relays
5.6 Mounting
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
511
Mounting on mounting plate
Screw mounting on a mounting plate is an alternative option to DIN rail mounting. For screw
mounting, the contactor first has to be fastened with screws and then the overload relay
mounted on the top of the contactor as shown in the figures.
Disassembly
To disassemble the contactor/relay combination from the DIN rail, press the contactor down
and pull it toward you.
Table 5- 16 Overload relay disassembly, screw-type connection system
Step Operating instruction Figure
1 Undo the screw on the main conductor
terminals.
2 Pull the overload relay down and away from
the contactor.
Table 5- 17 Overload relay disassembly, spring-loaded connection system
Step Operating instruction Figure
1 Position the screwdriver on the overload relay
as shown in the figure. Carefully dislodge the
overload relay from the contactor.
2 Pull the overload relay toward you and away
from the contactor.
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