Connection; Connection Systems; Screw Connection - Siemens SIRIUS 3RT Series System Manual

System overview

1.9 Connection

1.9 Connection
1.9.1

Connection systems

1.9.1.1

Screw connection

Screw connection
Within each device size, the terminals are identical. The current which the various devices of
a particular size are able to switch is also the same. This means that the same tool, torque,
and conductor cross-section is used when working on all SIRIUS Innovations products of the
same size. The stripped lengths are identical too; this is important for pre-assembled cables.
Size S00 and S0 devices feature screw-type terminals with captive screws and terminal
washers. The screw-type terminals also allow for the connection of 2 conductors with
different cross-sections.
Hazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying this device before working on this device.
Use the following tool to establish the connection: The screws are designed for a size PZ 2
Pozidriv screwdriver at rated currents of up to 40 A.
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DANGER
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03