Motor Starters

A motor starter is a device for motor control applications and is used to start and stop a motor. A starter is an electromechanical switch similar to a relay, the main difference being that a starter contains a contactor and overload protection to prevent electrical overloading of the motor.

Types of Motor Starter

  • DOL Starters - Direct On Line (DOL) or across the line starters are the most common general purpose starter. A magnetic contactor connects the full voltage of the power supply directly to the motor with an overload relay for protection against short circuit, energizing the coil pulls the contactors together to close the circuit and start the device. They are used for motors that are only required to run in one direction at a single speed.
  • Reversing DOL Starters - these motor starters can run a motor either forwards or backwards. These three-button starters are particularly useful for conveyor based machinery, where reversing the direction is sometimes necessary.
  • Star Delta Starter - a reduced voltage motor starter designed to control a three-phase induction motor, the windings in this starter are switched between star and delta connections to start the motor. A star delta circuit will have a contactor configuration within the relay of. triple pole (star) and double throw (delta).
  • Soft Starter - typically used to control AC electric motors a soft starter works by helping reduce the torque and load in the power up and electrical current surges that are typical with motors during their start-up phase. It uses solid-state switches to control the voltage as well as the starting current supplied.

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Description Price Power Rating Motor Starter Type Range Voltage Rating IP Rating Current Rating Phase Number of Poles Motor Starter Functionality Reversibility Additional Features Overall Length Enclosure Overall Width
RS Stock No. 609-7628
Mfr. Part No.LD1LD030M
$2,340.57
Each
units
55 kW DOL - 690 V ac IP20 - - 3P Automatic - - - - -
RS Stock No. 744-7875
Mfr. Part No.LE1M35U710
$220.25
Each
units
1.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 746-4965
Mfr. Part No.3RW4055-6BB44
BrandSiemens
$1,845.10
Each
units
75 kW - - 400 V IP00 134 A 3 - - - - 250mm - 120mm
RS Stock No. 609-7713
Mfr. Part No.LE1M35V7
$95.61
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 493-8886
$390.93
Each
units
1.5 kW - TeSys - - - - - - - - - - -
RS Stock No. 478-4768
Mfr. Part No.ATS01N206QN
$903.25
Each
units
2.2 kW - - 415 V IP20 6 A 3 - - - - 130.7mm - 45mm
RS Stock No. 766-2535
Mfr. Part No.134927 & DS7-342SX007N0-N
BrandEaton
$418.72
Each
units
3 kW - - 460 V ac IP20 7 A 3 - - - - 45mm - 95mm
RS Stock No. 608-6993
Mfr. Part No.ATS48C11Q
$5,103.30
Each
units
55 kW - - 415 V IP20 110 A 3 - - - - 235mm - 190mm
RS Stock No. 783-9218
Mfr. Part No.3RM1007-1AA04
BrandSiemens
$329.76
Each
units
3 kW - SIRIUS - - - - - - - - - - -
RS Stock No. 478-4702
Mfr. Part No.ATS01N106FT
$644.22
Each
units
2.2 kW - - 480 V IP20 6 A 3 - - - - 100.4mm - 22.5mm
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
$656.64
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 744-7872
Mfr. Part No.LE1M35U708
$174.76
Each
units
1.1 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7879
Mfr. Part No.LE1M35U712
$226.86
Each
units
2.2 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 608-7019
Mfr. Part No.ATS48C17Q
$4,014.66
Each
units
90 kW - - 415 V IP00 170 A 3 - - - - 265mm - 200mm
RS Stock No. 500-913
Mfr. Part No.3RA6120-1DB32
BrandSiemens
$504.71
Each
units
5.5 kW - SIRIUS - - - - - - - - - - -
RS Stock No. 493-9176
Mfr. Part No.LUB320
$121.00
Each
units
25 hp - TeSys - - - - - - - - - - -
RS Stock No. 744-7888
Mfr. Part No.LE1M35U714
$124.91
Each
units
3 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 851-7648
Mfr. Part No.1SFA896111R1100
BrandABB
$825.58
Each
units
22 kW - - 208 → 600 V ac IP10 45 A 3 - - - - 54mm - 153mm
RS Stock No. 420-502
Mfr. Part No.3RW4026-1BB14
BrandSiemens
$739.38
Each
units
11 kW - - 480 V ac IP20 25 A 3 - - - - 154mm - 45mm
RS Stock No. 133-107
Mfr. Part No.28ADS1X
BrandEaton
$187.86
Each
units
9 kW DOL - 240 V IP54 - 3 - Automatic - - 223mm Yes 141mm