SIRIUS 3RT2 contactors/contactor assemblies
2.7 Accessories
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
205
2.7.19
Pneumatic timer
2.7.19.1
Description
In terms of its function, the pneumatic timer is comparable with solid-state time-delayed
auxiliary switch blocks. It is available for 3RT2.2 (size S0) power contactors in the following
versions.
Table 2- 58 Versions of the pneumatic timer
Version
Adjustable time range
Order number
Circuit diagrams
0.1 to 30 s
3RT2926-2PA01
With ON-delay
1 to 60 s
3RT2926-2PA11
0.1 to 30 s
3RT2926-2PR01
With OFF-delay
1 to 60 s
3RT2926-2PR11
The pneumatic delay block is used if electronic components are not desirable or in the
absence of a control supply voltage.
2.7.19.2
Mounting/Disassembly
Table 2- 59 Mounting the pneumatic timer
Step
Operating instruction
Figure
1
Push the pneumatic timer, which is
attached on the front, into the location hole
on the contactor.
2
Pull the plunger out.
3
Pull the pneumatic timer down until it
engages.
Summary of Contents for SIRIUS 3RH Series
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