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. 719-1759
Mfr. Part No.2900421
€128.35
Each
units
4 kW - Contactron - - - - - - - - - - -
RS Stock No. 563-087
Mfr. Part No.2297057
€128.35
Each
units
24 V DC - - - - 9 A - - - - - - - -
RS Stock No. 719-1813
Mfr. Part No.2900543
€100.44
Each
units
1 kW - Contactron - - - - - - - - - - -
RS Stock No. 719-1746
Mfr. Part No.2900414
€128.35
Each
units
1 kW - Contactron - - - - - - - - - - -
RS Stock No. 666-9740
Mfr. Part No.2297031
€128.35
Each
units
1 kW - Contactron - - - - - - - - - - -
RS Stock No. 719-1734
Mfr. Part No.2900582
€128.35
Each
units
0.18 kW - Contactron - - - - - - - - - - -
RS Stock No. 187-8442
Mfr. Part No.2909570
€133.49
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 187-8421
Mfr. Part No.2908700
€133.49
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 175-6617
Mfr. Part No.2908670
€242.75
Each
units
- - Contactron - - - - - - - - - - -
RS Stock No. 187-8437
Mfr. Part No.2909568
€133.49
Each
units
- - Contactron - - 9 A - - - - - - - -
RS Stock No. 187-8415
Mfr. Part No.2908696
€124.58
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 187-8419
Mfr. Part No.2908699
€142.39
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 175-6607
Mfr. Part No.2901528
€263.86
Each
units
- - Data Interface - - - - - - - - - - -
RS Stock No. 187-8432
Mfr. Part No.2909561
€124.58
Each
units
- - Contactron - - 9 A - - - - - - - -
RS Stock No. 187-8435
Mfr. Part No.2909563
€124.58
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 187-8416
Mfr. Part No.2908697
€142.39
Each
units
- - Contactron - - 9 A - - - - - - - -
RS Stock No. 187-8427
Mfr. Part No.2909556
€160.17
Each
units
- - Contactron - - 3 A - - - - - - - -
RS Stock No. 187-8425
Mfr. Part No.2909555
€151.27
Each
units
- - Contactron - - 9 A - - - - - - - -
RS Stock No. 719-1790
Mfr. Part No.2900574
€112.50
Each
units
1 kW - Contactron - - - - - - - - - - -
RS Stock No. 719-1768
Mfr. Part No.2900567
€115.52
Each
units
1 kW - Contactron - - - - - - - - - - -