Siemens SINAMICS S150 NEMA Operating Instructions Manual page 126

Converter cabinet units
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Electrical installation
4.9 Additional connections
4.9.3
Feeder for external auxiliaries / motor blower (option L17)
Description
This option includes a switched outgoing feeder with 3-phase AC line voltage and max. 10 A
fuse protection for an external auxiliary device /motor fan. The voltage is tapped at the
converter input upstream of the main contactor/circuit breaker and, therefore, has the same
level as the supply voltage. The outgoing circuit can be switched within the drive or
externally.
Connecting
Table 4- 33
Terminal
Protective
ground
Max. connectable cross-section: #12 AWG (4 mm²)
NO: normally-open contact, NC: normally-closed contact, COM: mid-position contact
1)
Note
Protection setting
The connection for external device/motor blower must be set in accordance with the load
connected (-Q155).
124
Terminal block X155 - Connection for external device/motor blower
Designation
1
L1
2
L2
3
L3
11
Contactor control
12
13
NO: Checkback
motor circuit breaker
14
15
NO
16
COM
17
NC
Protective ground
1)
NO contact for checkback signal for 115 V AC / 6 A contactor
Mid-position contact for terminals 15 and 17
NC contact for checkback signal for 115 V AC / 6 A contactor
Technical specifications
380 to 480 V 3 ph. AC
500 to 600 V 3 ph. AC
115 V AC
115 V AC / 0.5 A
24 V DC / 2 A
Protective ground
Operating Instructions, 12/2018, A5E36652151A
Enclosed Drives

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