L25, Circuit Breaker In Withdrawable Unit Design - Siemens SINAMICS S120 Equipment Manual

8.18

L25, circuit breaker in withdrawable unit design

Availability of option
This option is available for the following S120 Cabinet Modules:
● Line Connection Module
Description
The circuit breaker in withdrawable unit design is available as an option for Line Connection
Modules with rated currents > 800 A. This breaker replaces the standard built-in circuit
breaker.
The draw-out circuit breaker features a visible isolating distance.
Terminal block -X50 – "Circuit breaker" checkback contact
Table 8- 23
Terminal
1
2
3
1)
max. connectable cross section: 2.5 mm²
Note
Detailed and comprehensive instructions and information for the circuit breaker, as well as
the factory-installed options, can be found in the accompanying operating instructions, which
are available as additional documentation on the enclosed customer CD.
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A
Terminal block -X50 – "Circuit breaker" checkback contact
Designation
1)
NC
NO
COM
NC: normally-closed contact, NO: normally-open contact, COM: Mid-position contact
8.18 L25, circuit breaker in withdrawable unit design
Technical specifications
"Circuit breaker" checkback contacts
Max. load current: 3 A
Max. switching voltage: 250 V AC
Options
373