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. 505-5881
Mfr. Part No.ATSU01N206LT
$1,000.00
Each
units
3 kW Soft Start - 480 V IP20 6 A 3 - - - - 113mm - 45mm
RS Stock No. 493-9104
$164.18
Each
units
- - TeSys - - - - - - - - - - -
RS Stock No. 535-2126
Mfr. Part No.278308 & SDAINLM16(110V50HZ,120V60HZ)
BrandEaton
$576.23
Each
units
7.5 kW Star Delta - 110 V ac IP55 - 3 - Automatic - - 68mm - 158mm
RS Stock No. 493-9025
Mfr. Part No.LUCB32FU
$774.62
Each
units
18.5 kW - TeSys - - - - - - - - - - -
RS Stock No. 744-8169
Mfr. Part No.LUCC12FU
$270.05
Each
units
2.2 kW - TeSys - - 3 to 12 A - - - - - - - -
RS Stock No. 744-8351
Mfr. Part No.LUFDA01
$622.55
Each
units
- - TeSys - - - - - - - - - - -
RS Stock No. 744-8272
Mfr. Part No.LUCL05BL
$316.79
Each
units
3 kW - TeSys - - 1.25 to 5 A - - - - - - - -
RS Stock No. 744-8308
Mfr. Part No.LUCL18BL
$387.52
Each
units
15 kW - TeSys - - 4.5 to 18 A - - - - - - - -
RS Stock No. 394-9526
Mfr. Part No.LE1D09P7
$188.81
Each
units
4 kW DOL TeSys 690 V ac IP657 9 A AC-3 3 - Automatic - - 166mm Yes 88mm
RS Stock No. 493-8892
$427.52
Each
units
1.5 kW - TeSys - - - - - - - - - - -
RS Stock No. 420-524
Mfr. Part No.3RW4038-1BB14
BrandSiemens
$2,114.86
Each
units
37 kW Soft Start - 480 V ac IP00 72 A 3 - - - - 170mm - 55mm
RS Stock No. 609-7713
Mfr. Part No.LE1M35V7
$144.45
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 766-2513
Mfr. Part No.134910 & DS7-340SX009N0-N
BrandEaton
$489.89
Each
units
4 kW Soft Start - 460 V ac IP20 9 A 3 - - - - 45mm - 95mm
RS Stock No. 493-8729
Mfr. Part No.LU2B12FU
$980.97
Each
units
7.5 hp - TeSys - - - - - - - - - - -
RS Stock No. 732-8330
Mfr. Part No.1SFA897102R7000
BrandABB
$1,160.35
Each
units
7.5 kW Soft Start - 600 V IP00, IP20 25 A 3 - - - - 245mm - 90mm
RS Stock No. 852-3586
Mfr. Part No.1SFA898106R7000
BrandABB
$3,533.78
Each
units
30 kW Soft Start - 208 → 600 V IP10, IP20 60 (Inline) A, 106 (Inside Delta) A 3 - - - - 150mm - 194mm
RS Stock No. 744-7816
Mfr. Part No.LE1D25U7
$409.05
Each
units
15 kW DOL - 240 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 420-520
Mfr. Part No.3RW4046-1BB14
BrandSiemens
$2,850.41
Each
units
45 kW Soft Start - 480 V ac IP00 80 A 3 - - - - 188mm - 70mm
RS Stock No. 744-8317
Mfr. Part No.LUCL1XBL
$357.26
Each
units
0.25 kW - TeSys - - 0.35 to 1.4 A - - - - - - - -
RS Stock No. 505-5819
Mfr. Part No.ATS01N109FT
$791.21
Each
units
4 kW Soft Start - 480 V IP20 9 A 3 - - - - 130.7mm - 45mm