L13, Main Contactor For Basic Line Connection Modules < 800 A; L21, Surge Suppression - Siemens SINAMICS S120 Manual

Options
9.27 L13, main contactor for Basic Line Connection Modules < 800 A
9.27 L13, main contactor for Basic Line Connection Modules < 800 A
Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
Description
Up to a rated current of 800 A, the Basic Line Connection Module is only equipped as
standard with a manually operated fused load disconnector. Option L13 is needed if a
switching element is also required for disconnecting the cabinet from the infeed. In this case,
the contactor is activated from the connected Line Module.
NOTICE
Material damage caused by switching the line contactor under load
Switching the line contactor under load can result in increased wear and consequently to
premature failure of the line contactor.
• Always switch the line contactor at zero current.
X50 "main contactor" checkback contact
Table 9- 52
Terminal
4
5
6
Max. connectable cross-section: 4 mm²
NO: Normally-open contact, NC: Normally-closed contact, COM: Center contact
1)
9.28

L21, surge suppression

Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules
430
Terminal block X50 "main contactor" checkback contact
Designation Technical data
1)
NO Max. load current: 10 A
Max. switching voltage: 250 V AC
NC
Max. contact rating: 250 VA
COM
Required minimum load: ≥1 mA
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A