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 Phase Current Rating Number of Poles Motor Starter Functionality Reversibility Additional Features Overall Length Enclosure Overall Width
RS Stock No. 909-4082
BrandRS PRO
TWD3,409.00
Each
units
7.5 kW DOL - 415 V IP55 3 13 → 18 A 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
TWD14,911.00
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 272-432
Mfr. Part No.LUCA12BL
TWD3,172.00
Each
units
9 kW DOL - 690 V ac IP40 3 - 3P - - - - - -
RS Stock No. 420-524
Mfr. Part No.3RW4038-1BB14
BrandSiemens
TWD30,660.00
Each
units
37 kW Soft Start - 480 V ac IP00 3 72 A - - - - 170mm - 55mm
RS Stock No. 732-8336
Mfr. Part No.1SFA897101R7000
BrandABB
TWD21,175.00
Each
units
5.5 kW Soft Start - 600 V IP00, IP20 3 18 A - - - - 245mm - 90mm
RS Stock No. 175-6611
Mfr. Part No.2903912
TWD6,317.00
Each
units
- - Contactron - - - - - - - - - - -
RS Stock No. 811-0751
Mfr. Part No.DRAF12-14
BrandABB
TWD3,247.00
Each
units
5.5 kW DOL - 400 V ac IP65 3 - - Automatic - - 230mm Yes 106mm
RS Stock No. 609-4045
Mfr. Part No.LG7K06Q707
TWD12,524.00
Each
units
1.1 kW DOL - 440 V ac IP657 3 - 3P Automatic - - 165mm Yes 175mm
RS Stock No. 175-6612
Mfr. Part No.2903918
TWD4,798.00
Each
units
- - Contactron - - - - - - - - - - -
RS Stock No. 732-8368
Mfr. Part No.1SFA897111R7000
BrandABB
TWD68,967.00
Each
units
75 kW Soft Start - 600 V IP00, IP20 3 171 A - - - - 295mm - 130mm
RS Stock No. 811-0754
Mfr. Part No.DRAF16-13
BrandABB
TWD3,384.00
Each
units
7.5 kW DOL - 400 V ac IP65 3 - - Automatic - - 230mm Yes 106mm
RS Stock No. 732-8342
Mfr. Part No.1SFA897104R7000
BrandABB
TWD26,119.00
Each
units
15 kW Soft Start - 600 V IP00, IP20 3 37 A - - - - 245mm - 90mm
RS Stock No. 811-0786
Mfr. Part No.1TVC230072S5699
BrandABB
TWD9,968.00
Each
units
7.5 kW DOL - 230 V ac IP55 3 - - Automatic - - 184mm Yes 184mm
RS Stock No. 609-4051
Mfr. Part No.LG7K06Q708
TWD12,524.00
Each
units
1.5 kW DOL - 440 V ac IP657 3 - 3P Automatic - - 165mm Yes 175mm
RS Stock No. 177-8960
Mfr. Part No.3RA6400-2BB43
BrandSiemens
TWD15,524.00
Each
units
750 W DOL SIRIUS 690 V IP20 3 1.25 A 3P - - - 45mm - 165mm
New
RS Stock No. 217-6532
Mfr. Part No.3RK1315-6LS41-3AA3
BrandSiemens
TWD24,408.00
Each
units
5.5 kW - M200D 400 V IP65 3 12 A 3 - - - - - -
RS Stock No. 175-6613
Mfr. Part No.2903924
TWD5,726.00
Each
units
- - Contactron - - - - - - - - - - -
RS Stock No. 609-7707
Mfr. Part No.LE1M35Q708
TWD3,919.00
Each
units
1.1 kW DOL - 380 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
New
RS Stock No. 211-2630
Mfr. Part No.LC3D18AF7
TWD16,226.00
Each
units
22 kW Star Delta TeSys 690 V IP20 3 18 A 3 - - - - - -
New
RS Stock No. 217-6533
Mfr. Part No.3RK1315-6NS71-2AA3
BrandSiemens
TWD25,367.00
Each
units
4 kW DOL M200D 400 V IP65 3 9 A 3 - - - - - -