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Siemens Sirius 3RT1045-1B Contactors, specifications & dimensions - cut-sheet.

Siemens Sirius
3RT1045-1B Contactor

Description:

Siemens Sirius 3RT1045-1B is a heavy-duty industrial motor starter contactor, suitable for starting 3-phase motors up to 30 HP @ 230 volts and 60 HP @ 460 volts. Auxiliary contacts can be front or side mounted. Plug-in overload relays are also available.
 
3RT1045-1B Contactor Selection Chart:
3-Phase
Motor
Horsepower
Built-In
Auxiliary
Contacts
Cont.
Amps
DC Coil
Voltage
Catalog #
25 hp @ 200 V
30 hp @ 230 V
60 hp @ 460 V
75 hp @ 575 V
- 105 243RT1045-1BB40
483RT1045-1BW40
1103RT1045-1BF40
1253RT1045-1BG40
2303RT1045-1BP40

Coil Power Consumption:        Inrush: 15 watts,         Sealed: 15 watts.


Maximum Wire Size:        2 x 1/0 AWG,         1 x 2/0 AWG


Click here for:          pricing         auxiliary contacts         plug-in overload relays


Dimensions:



These units have track-mounting clips for 35mm DIN-rail as standard.
Front-mounted auxiliary contacts add an extra 49mm to the depth.
Side-mounted contacts add an extra 10mm to the side, per each block.






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