Mounting; Mounting Options; Mounting Position - Siemens SIRIUS 3RT Series System Manual

SIRIUS 3RT2 contactors/contactor assemblies

2.5 Mounting

2.5 Mounting
2.5.1 Mounting
2.5.1.1

Mounting options

Note the following information when mounting contactors:
● If foreign bodies (such as drillings) can reach the devices, the contactors must be
covered during mounting.
● If there is a risk of pollution, heavy dust deposits, or an aggressive atmosphere at the
mounting location, the contactors must be installed in an enclosure.
● Dust deposits must be vacuumed away.
Mounting options
The following mounting types are available for contactors in sizes S00 and S0:
● Snapping onto a 35 mm DIN rail according to DIN EN 60715.
● Screwing onto a mounting plate
2.5.1.2

Mounting position

The contactors are dimensioned for operation on a vertical mounting plane. The following
mounting positions are permitted:
Table 2- 18
Mounting positions for sizes S00 and S0
Note
A lateral distance from grounded parts of over 6 mm must be observed.
Vertical mounting
A special version of the 3RH2 contactor relays and 3RT2 power contactors is required for
vertical mounting. This special version can be requested from Technical Assistance
(www.siemens.com/lowvoltage/technical-assistance).
148
Permissible mounting positions for the contactors
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03