DOL & Star Delta Starters

A DOL Starter is a Direct-On-line motor starter. Sometimes known as an ’across the line’ starter, this type of motor controller is used as a simple starter for larger electric motors, providing full line voltage to the motor terminals.

At their simplest, DOL Starters act as a stop / start switch for a motor, but DOL starters are often fitted with overload protection devices to prevent short circuits or the motor overheating.

Uses for DOL Starters

DOL Starters are used in a variety of applications where motor driving is required, such as running workshop machinery, large fans or water pumps.

Reversible DOL Starters

The RS Range includes reversible DOL Starters that 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.

Ingress Protection

DOL Starters typically have a moulded plastic body designed to protect the motor starter electrical components from workplace environmental factors. The RS Range includes many DOL starter models that are suitable for the harshest work environments, which is essential when running machinery that results in a dusty environment, such as machine woodworking. There are even ATEX rated DOL starters for environments with explosive risks.

Further Security

Some DOL starters are equipped with securing functions such as key locked buttons. These optional extras are highly useful in preventing accidental or unauthorised activation of a motor, and are available in the RS Range.

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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. 351-4748
Mfr. Part No.LE1GBKO55N7
$139.20
Each
units
5.5 kW DOL - 415 V ac IP65 - - - Automatic - - 212mm Yes 124mm
RS Stock No. 744-7885
Mfr. Part No.LE1M35U721
$169.21
Each
units
5.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 133-028
Mfr. Part No.48ADS1XRS
BrandEaton
$190.44
Each
units
9 kW DOL - 415 V ac IP54 - 3 - Automatic - - 223mm Yes 141mm
RS Stock No. 744-7850
Mfr. Part No.LE1M35N716
$227.79
Each
units
4 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7628
Mfr. Part No.LD1LD030M
$3,333.96
Each
units
55 kW DOL - 690 V ac IP20 - - 3P Automatic - - - - -
RS Stock No. 744-7875
Mfr. Part No.LE1M35U710
$214.15
Each
units
1.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7713
Mfr. Part No.LE1M35V7
$92.96
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
$698.13
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 744-7872
Mfr. Part No.LE1M35U708
$165.30
Each
units
1.1 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7879
Mfr. Part No.LE1M35U712
$169.21
Each
units
2.2 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 133-107
Mfr. Part No.28ADS1X
BrandEaton
$181.13
Each
units
9 kW DOL - 240 V IP54 - 3 - Automatic - - 223mm Yes 141mm
RS Stock No. 744-7888
Mfr. Part No.LE1M35U714
$169.21
Each
units
3 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7549
Mfr. Part No.LC3D32AP7
$1,314.88
Each
units
30 kW Star Delta - 230 V ac - 32 A - 3P - - Mechanical Interlock Included 124mm - 165mm
RS Stock No. 744-7894
Mfr. Part No.LE1M35U722
$169.21
Each
units
4 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7838
Mfr. Part No.LE1M35N706
$220.57
Each
units
0.37 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 272-482
Mfr. Part No.LUCA1XBL
$184.72
Each
units
0.25 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 744-7844
Mfr. Part No.LE1M35N710
$174.09
Each
units
1.5 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 823-9830
Mfr. Part No.SDSI45415
BrandLovato
$3,401.84
Each
units
45 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 500mm Yes 400mm
RS Stock No. 744-7863
Mfr. Part No.LE1M35U707
$220.57
Each
units
0.55 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7662
Mfr. Part No.LE1D12V7
$192.74
Each
units
7.5 kW DOL - 690 V ac IP657 - - - Automatic - - 166mm Yes 88mm
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