Siemens 3wl Configuration Manual page 6

3WL Air Circuit Breakers
Introduction
3WL air circuit breakers:
3WL air circuit breakers are extremely flexible in use and
offer consistent communication capability. With the 3WL circuit
breakers, just three sizes cover a performance range of 630 A to
6300 A. All models are characterized by the same design, the
same operation and the same comprehensive accessories.
3
1
21
22
23
24
20
$
Guide frame
%
Main circuit connection, front, flange, horizontal, vertical
&
Position signaling switch
(
Grounding connection, leading
)
Shutters
*
COM15 PROFIBUS module or COM16 MODBUS module
+
External CubicleBUS modules
,
Closing coil, auxiliary release
-
Auxiliary conductor plug-in system
.
Auxiliary switch block
/
Door sealing frame
0
Interlocking set for mechanical on/off
1
Transparent panel, function insert
2
EMERGENCY-STOP pushbutton, key operated
3
Motorized operating mechanism
4
Siemens · 10/2014
© Siemens AG 2015
2
5
4
25
19
18
17
6
7
8
9
16
15
4
Operating cycles counter
5
Breaker Status Sensor (BSS)
6
Protective devices with device holder, Electronic Trip Unit (ETU)
7
Remote reset solenoid
8
Breaker Data Adapter (BDA Plus)
9
Four-line display
:
Ground-fault protection module
;
Rating plug
<
Metering function module
=
Circuit breaker
10
11
12
13
14