Mounting - Siemens SIRIUS 3RT Series System Manual

Making capacity/breaking capacity
The table below specifies the magnitude of a contactor's making and breaking capacities, in
relation to the load currents for two or three current paths connected in parallel:
Table 2- 53 Parallel switching connections: Making capacity/breaking capacity
3-pole switching
Making capacity 12 x I
category AC-4)
Breaking capacity 10 x I
category
AC-4)
2.7.16.3

Mounting

The parallel switching connectors of size S00 can all be reduced by one pole. The illustration
below shows an example of how to mount the 3-pole parallel switching connector with
connection terminal to a contactor of size S00.
Table 2- 54
Step
1
2
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
2 current paths in
parallel
(utilization
e
(utilization
e
Mounting the 3-pole parallel switching connector with connection terminals
Operating instruction
Insert the pins of the parallel switching
connector into the contactor's terminal
openings from below until they are securely
in position.
Screw the parallel switching connector tight
with a screwdriver.
SIRIUS 3RT2 contactors/contactor assemblies
3 current paths in
parallel
e
Image
2.7 Accessories
4 current paths in
parallel
201