L22, Supplied As Standard Without Line Reactor; L25, Circuit Breaker In Withdrawable Unit Design - Siemens SINAMICS S120 Manual

Options

9.28 L22, supplied as standard without line reactor

9.28 L22, supplied as standard without line reactor
Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
Description
If the Basic Line Connection module is fed via a separate transformer, or if the line supply
has a sufficiently low line short-circuit power (fault rating), then the line reactor, used as
standard, can be omitted.
For the Basic Line Connection Module with option L22, the standard line reactor is not
supplied.
9.29

L25, circuit breaker in withdrawable unit design

Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules
Description
The circuit breaker in a withdrawable unit design is available as option for Basic Line
Connection Modules and Active Line Connection modules from a rated current of > 800 A.
This breaker replaces the standard built-in circuit breaker.
The circuit breaker in withdrawable unit design features a visible isolating distance.
X50 "circuit breaker" checkback contact
Table 9- 50
Terminal
1
2
3
Max. connectable cross-section: 2.5 mm²
NC: Normally-closed contact, NO: Normally-open contact, COM: Center contact
1)
382
Terminal block X50 "Circuit-breaker" checkback contact
Designation Technical data
1)
NC "Circuit breaker" checkback contacts
Max. load current: 3 A
NO
Max. switching voltage: 250 VAC
COM
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A