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3RT1045-1A Siemens Sirius Contactors


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The Siemens 3RT1045-1A..0 / 3RT1045-1A 
is a 3-phase IEC rated contactor used for 
the control of electric motors. It is rated 
30 HP at 230V and 75 HP at 460V. 
Conforms to IEC 60946

Other 3RT Contactors

Tools Required:
Pozidriv Screwdriver size 2
pozidrive screwdriver

Accessories:

Overload Relays:

Replacment Parts:

 

pricing | auxiliary contacts | plug-in overload relays

Auxiliary contacts can be front or side mounted. Plug-in overload relays are also available.

3RT1045-1A Contactor Selection Chart:
3-Phase
Motor
Horsepower		 Built-In
Auxiliary
Contacts		 Cont.
Amps		 AC Coil
Voltage		 Catalog #
25 hp @ 200 V
30 hp @ 230 V
60 hp @ 460 V
75 hp @ 575 V		 - 105 24 3RT1045-1AC20
120 3RT1045-1AK60
208 3RT1045-1AM20
240 3RT1045-1AP60
480 3RT1045-1AV60
Coil Power Consumption: Inrush: 300 VA., Sealed: 21 VA.
Maximum Wire Size: 2 x 1/0 AWG, 1 x 2/0 AWG
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.