Main Circuit-Breaker Incl. Fuses/Circuit-Breaker (Option L26) - Siemens SINAMICS G150 Operating Manual
Converter cabinet units 75 kw to 800 kw
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- Manual (1843 pages) ,
- Operating instructions manual (680 pages) ,
- Reference manual (38 pages)
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11/03
-A1-X40 15
Fig. 4-6
NOTE
If 230 V AC is applied to the relay outputs, the customer terminal block must also
be grounded via a 6 mm² protective conductor.
4.9.3
Main Circuit-Breaker incl. Fuses/Circuit-Breaker (Option L26)
Description
The main circuit-breaker of cabinet units with an output current of up to 800 A is a
load interruptor with externally mounted fuses. Cabinets with an output current
greater than 800 A are fitted with a circuit-breaker instead of a load interruptor.
Connection
Table 4-18
closed"
Terminal
1
2
3
1)
NO: normally open contact, NC: normally closed contact, COM: mid-position
contact
Max. connectable cross-section: 4 mm² (AWG 10)
SINAMICS G150
Operating Manual
N
L1
-X542
11
2
TM31
"Operation"
-A1-A60
Circuit proposal
Circuit proposal for controlling the auxiliary conductor from within the converter
Terminal block X50 – checkback contact "main circuit-breaker/circuit-breaker
1)
Designation
NO
NC
COM
-X155
3
11
12
-K155
Technical data
Max. load current: 10 A
Max. switching voltage: 250 V AC
Max. switching capacity: 250 VA
Required minimum load: ≥1 mA
Electrical Installation
4-27
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