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. 811-0760
Mfr. Part No.1TVC400050S5699
BrandABB
TWD4,053.00
Each
units
5.5 kW DOL - 400 V ac IP55 3 - - Automatic - - 184mm Yes 184mm
RS Stock No. 200-3985
Mfr. Part No.3RW5074-6AB14
BrandSiemens
TWD89,775.00
Each
units
200 kW Soft Start - 200 → 480 V IP00 3 315 A - - - - - - -
RS Stock No. 811-0818
Mfr. Part No.1TVC400154S5699
BrandABB
TWD18,269.00
Each
units
15 kW Star Delta - 400 V ac IP55 3 - - - - - 184mm Yes 284mm
New
RS Stock No. 207-4908
Mfr. Part No.2904333
TWD8,694.00
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 216-6442
Mfr. Part No.3RA2120-4AA26-0AP0
BrandSiemens
TWD7,390.00
Each
units
0.06 kW - SIRIUS 690 V IP20 1, 3 200 mA 3 - - - - - -
RS Stock No. 505-5825
Mfr. Part No.ATS01N209QN
TWD5,332.00
Each
units
4 kW Soft Start - 415 V IP20 3 9 A - - - - 130.7mm - 45mm
RS Stock No. 177-8923
Mfr. Part No.3RA6120-1CB33
BrandSiemens
TWD11,781.00
Each
units
3 kW DOL SIRIUS 690 V IP20 3 4 A 3P - - - 45mm - 165mm
RS Stock No. 135-9719
BrandRS PRO
TWD12,803.00
Each
units
15 kW Soft Start - 400 V ac IP20 2 32 A - - - - 45mm - 173mm
RS Stock No. 528-7375
Mfr. Part No.118526 & XDP5,5/I(230V50HZ,240V60HZ)
BrandEaton
TWD8,377.00
Each
units
5.5 kW DOL - 230 V ac IP65 - - 3P Automatic - Disconnect Switch Included 200mm Yes 120mm
RS Stock No. 811-0789
Mfr. Part No.1TVC230071S5699
BrandABB
TWD8,639.00
Each
units
7.5 kW DOL - 400 V ac IP55 3 - - Automatic - - 184mm Yes 184mm
RS Stock No. 251-2381
Mfr. Part No.LG7K09M7
TWD8,785.00
Each
units
- DOL - - IP657 - - 3P Manual - - 165mm Yes 175mm
RS Stock No. 746-4906
Mfr. Part No.3RW3013-1BB14
BrandSiemens
TWD5,330.00
Each
units
1.5 kW Soft Start - 400 V IP20 3 3.6 A - - - - 151mm - 45mm
RS Stock No. 609-4073
Mfr. Part No.LG7K09M714
TWD13,740.00
Each
units
4 kW DOL - 440 V ac IP657 3 - 3P Automatic - - 165mm Yes 175mm
New
RS Stock No. 207-4928
Mfr. Part No.2905147
TWD6,985.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 200-4030
Mfr. Part No.3RW5077-2AB15
BrandSiemens
TWD123,441.00
Each
units
355 kW Soft Start - 400 → 600 V IP00 3 570 A - - - - - - -
RS Stock No. 202-1679
Mfr. Part No.3RW5543-6HA14
BrandSiemens
TWD155,503.00
Each
units
55 kw Soft Start - 480 V IP00 3 210 A - - - - - - -
RS Stock No. 812-9089
Mfr. Part No.DOLC0.75400
BrandLovato
TWD3,006.00
Each
units
0.75 kW DOL - 400 V IP65 3 - 4P Automatic - - 175mm Yes 88mm
RS Stock No. 703-5135
Mfr. Part No.1SFA896115R7000
BrandABB
TWD32,369.00
Each
units
55 kW Soft Start - 600 V IP10, IP20 3 105 A - - - - 180mm - 70mm
RS Stock No. 177-8962
Mfr. Part No.3RA6500-1CB42
BrandSiemens
TWD25,218.00
Each
units
3 kW DOL SIRIUS 690 V IP20 3 4 A 3P - Yes - 90mm - 165mm
New
RS Stock No. 217-6534
Mfr. Part No.3RK1325-6KS41-2AA3
BrandSiemens
TWD23,369.00
Each
units
0.75 kW DOL M200D 400 V IP65 3 2 A 3 - - - - - -