Siemens SENTRON 3WA Air User Manual

Description
2.2 Circuit breakers and non-automatic circuit breakers
3WA Air Circuit Breakers
Equipment Manual, 05/2021, 92310000002-03
41
2.2.4.3 Racking the circuit breaker in the guide frame
The withdrawable circuit breaker can be moved to three positions by means of the racking
handle. The current position is indicated by the position indicator on the circuit breaker, see
Chapter Circuit breakers (Page 27).
Depending on the position, the main and auxiliary contacts are connected or isolated:
Position Pictogram
display
Main circuit
connection
Auxiliary
circuits
Shutter Comment
CONNECT
(connected
position)
CONNECT Connected Connected Open
TEST
(test position)
TEST Disconnected
and isolated
Connected Closed Disconnector condi-
tion fulfilled
Tests of accessories
on the auxiliary circuit
possible
DISCONNECT
(disconnected
position)
DISCON
Disconnected
and isolated
Disconnect-
ed
Closed
Removal/insertion of
the circuit breaker
possible
(1)
Position signaling switch module signal
(2)
Auxiliary circuits
(3)
Main connections

Siemens SENTRON 3WA Air Specifications

General

Brand	Siemens
Model	SENTRON 3WA Air
Category	Circuit breakers
Language	English