Auxiliary Switch Designations; Description Of The Terminals - Siemens SENTRON 3VL System Manual

Connecting

8.5 Auxiliary switch designations

8.5 Auxiliary switch designations
Connection designations for auxiliary switches (NC and NO)
If the circuit breakers are supplied from the factory with integral auxiliary switches, these are
designated in accordance with the operating instructions.
The compartments (cutouts) in each circuit breaker (behind the front cover) for installing
accessories are designated X1, X2 and X4. The terminals of the installed accessories are
numbered consecutively. The contacts remain as designated in the catalog.
The contact designations on the auxiliary (HS) and alarm switches (AS) are replaced by the
stickers supplied.
8.6

Description of the terminals

Description of the terminals
The exact positions and functions of the separate terminals are listed in this table for the
Description of the terminals.
Table 8- 4
Number
X1
X2
X3
X4
X5
X6
118
Overview of the secondary connections
Where are the circuit
breakers/accessories?
Right-hand accessory
compartment of the circuit
breaker
Left-hand accessory
compartment of the circuit
breaker
Connection socket to
ETU LCD
Left accessory compartment
of the circuit breaker (4-pole
only)
Auxiliary current plug-in
connection for plug-in
socket/guide frame
Auxiliary current plug-in
connection for
plug-in socket/guide frame
Description
Shunt release and undervoltage
release, auxiliary and alarm switches
VL160X to VL400
VL630 to VL1600
Auxiliary switches and alarm switches
VL160X to VL400
VL630 to VL1600
I/O connection for portable tester or communication
adapter
Auxiliary switches and alarm switches
VL160X to VL400
VL630 to VL1600
Motorized operating mechanism
Remote tripping RCD module
If no motorized operating mechanism is
available:
Remote tripping display RCD module
Shunt release or undervoltage release
Auxiliary switches or alarm switches
If motorized operating mechanism is
available:
Remote tripping display RCD module
System Manual, 03/2009, 110 0110 - 02 DS 01
X1.1 + X1.2
X1.1 to X1.6
X1.1 to X1.8
X2.1 to X2.6
X2.1 to X2.8
X4.1 to X4.6
X4.1 to X4.8
X5.1 to X5.5
X5.6 to X5.8
X5.1 to X5.3
X6.1 to X6.2
X6.3 to X6.8
X6.6 to X6.8
3VL molded-case circuit breakers