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. 725-5529
BrandRS PRO
MYR607.20
Each
units
5.5 kW DOL - 400 V ac IP65 9 → 14 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 725-5588
BrandRS PRO
MYR1,850.14
Each
units
15 kW Star Delta - 400 V ac IP65 13 → 18 A 3 3P - - Disconnect Switch Included 220mm Yes 280mm
RS Stock No. 909-4089
BrandRS PRO
MYR418.89
Each
units
1.1 kW DOL - 240 V IP55 7 → 10 A 1 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 725-5566
BrandRS PRO
MYR1,755.42
Each
units
22 kW Star Delta - 400 V ac IP65 24 → 32 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5522
BrandRS PRO
MYR348.99
Each
units
11 kW DOL - 400 V ac IP65 17 → 23 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5553
BrandRS PRO
MYR1,495.01
Each
units
15 kW Star Delta - 400 V ac IP65 13 → 18 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 909-4091
BrandRS PRO
MYR504.81
Each
units
2.2 kW DOL - 240 V IP55 - 1 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 725-5585
BrandRS PRO
MYR2,442.20
Each
units
22 kW Star Delta - 400 V ac IP65 24 → 32 A 3 3P - - Disconnect Switch Included 220mm Yes 280mm
RS Stock No. 133-028
Mfr. Part No.48ADS1XRS
BrandEaton
MYR593.19
Each
units
9 kW DOL - 415 V ac IP54 - 3 - Automatic - - 223mm Yes 141mm
RS Stock No. 608-7110
Mfr. Part No.ATS48D75Q
MYR6,471.08
Each
units
37 kW - - 415 V IP20 75 A 3 - - - - 235mm - 190mm
RS Stock No. 609-7785
Mfr. Part No.LE4D35V7
MYR3,000.70
Each
units
18.5 kW DOL - 690 V ac IP657 - - 3P Automatic - - 330mm Yes 186mm
RS Stock No. 609-7628
Mfr. Part No.LD1LD030M
MYR8,157.52
Each
units
55 kW DOL - 690 V ac IP20 - - 3P Automatic - - - - -
RS Stock No. 493-8864
Mfr. Part No.LUB32
MYR383.80
Each
units
25 hp - TeSys - - - - - - - - - - -
RS Stock No. 732-8364
Mfr. Part No.1SFA897110R7000
BrandABB
MYR8,220.48
Each
units
55 kW - - 600 V IP00, IP20 143 A 3 - - - - 295mm - 130mm
RS Stock No. 325-485
Mfr. Part No.1SFA896107R7000
BrandABB
MYR952.41
Each
units
7.5 kW - - 600 V IP20 16 A 3 - - - - 113.5mm - 45mm
RS Stock No. 500-888
Mfr. Part No.3RA6120-1EB32
BrandSiemens
MYR2,210.16
Each
units
15 kW - SIRIUS - - - - - - - - - - -
RS Stock No. 493-9160
Mfr. Part No.LUB120
MYR326.77
Each
units
7.5 hp - TeSys - - - - - - - - - - -
RS Stock No. 248-5166
Mfr. Part No.GHG6351101R0108
BrandCEAG
MYR3,945.55
Each
units
- DOL - 690 V ac IP66 - - - Manual - - 225mm Yes 140mm
RS Stock No. 493-8836
MYR63.83
Each
units
- - TeSys - - - - - - - - - - -
RS Stock No. 851-7635
Mfr. Part No.1SFA896106R1100
BrandABB
MYR1,102.73
Each
units
5.5 kW - - 208 → 600 V ac IP20 12 A 3 - - - - 45mm - 114mm