Siemens SENTRON 3WL Reference Manual page 6

SENTRON Switching and Protection Devices — Air Circuit Breakers
Introduction
SENTRON 3WL:
Superior individual products integrated into uniform power
distribution systems – up to and including industry-specific
industrial and infrastructure solutions
3
1
21
22
23
24
20
$
Guide frame
%
Main circuit connection, front, flange, horizontal, vertical
&
Position indicator switch
(
Grounding contact, leading
)
Shutter
*
COM15 PROFIBUS module or COM16 MODBUS module
+
External CubicleBUS modules
,
Closing solenoid, auxiliary release
-
Auxiliary conductor plug-in system
.
Auxiliary switch block
/
Door sealing frame
0
Interlocking set for base plate
1
Transparent panel, function insert
2
EMERGENCY-STOP pushbutton, key operated
3
Motorized operating mechanism
6 Siemens · 2009
2
5
4
25
19
18
17
4
5
6
7
8
9
:
;
<
=
6
7
8
9
16
15
Operating cycles counter
Breaker Status Sensor (BSS)
Protective devices with device holder, solid-state releases (ETU)
Remote reset solenoid
Breaker Data Adapter (BDA)
Four-line display
Ground-fault protection module
Rated current module
Measuring function module
Circuit breaker
10
11
12
13
14