Siemens SINAMICS G150, Operating Manual

Page: 60 / 240

Electrical Installation 11/03
SINAMICS G150
4-28
Operating Manual
4.9.4 EMERGENCY OFF Button (Option L45)
Description
The EMERGENCY OFF button with protective collar is integrated in the door of the
cabinet unit. The contacts of the button are connected to terminal block –X120.
Category 0 and 1 EMERGENCY OFF functions can be activated in conjunction
with options L57, L59, and L60.
A braking unit may be necessary to achieve the required shutdown times.
Connection
Table 4-19 Terminal block X120 – checkback contact “EMERGENCY OFF button in
cabinet door“
Terminal Designation
1)
Technical data
1 NC
2 NC
3 NC
2)
4 NC
2)
Checkback contacts of EMERGENCY OFF button in
cabinet door
Max. load current: 10 A
Max. switching voltage: 250 V AC
Max. switching capacity: 250 VA
Required minimum load:
≥
1 mA
1)
NC: normally closed contact
2)
Factory setting in converter for options L57, L59, and L60
Max. connectable cross-section: 4 mm² (AWG 10)