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. 744-7825
Mfr. Part No.LE1M35B710
$212.01
Each
units
1.5 kW DOL - 24 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
$767.94
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 744-7857
Mfr. Part No.LE1M35N722
$201.56
Each
units
7.5 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7879
Mfr. Part No.LE1M35U712
$187.82
Each
units
2.2 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7800
Mfr. Part No.LE1D18U7
$262.74
Each
units
10 kW DOL - 240 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 744-7875
Mfr. Part No.LE1M35U710
$235.57
Each
units
1.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-7628
Mfr. Part No.LD1LD030M
$3,667.36
Each
units
55 kW DOL - 690 V ac IP20 - - 3P Automatic - - - - -
RS Stock No. 609-7656
Mfr. Part No.LE1D12P7
$204.94
Each
units
7.5 kW DOL - 690 V ac IP657 - - - Automatic - - 166mm Yes 88mm
RS Stock No. 744-7885
Mfr. Part No.LE1M35U721
$187.82
Each
units
5.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 535-2261
Mfr. Part No.SDAINLM55(110V50HZ120V60HZ)
BrandEaton
$1,081.06
Each
units
30 kW Star Delta - 110 V ac IP55 - 3 - Automatic - - 85mm - 158mm
RS Stock No. 812-9083
Mfr. Part No.DOLC1.1230
BrandLovato
$153.30
Each
units
1.1 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 394-9526
Mfr. Part No.LE1D09P7
$171.08
Each
units
4 kW DOL TeSys 690 V ac IP657 9 A AC-3 3 - Automatic No - 166mm Yes 88mm
RS Stock No. 609-7713
Mfr. Part No.LE1M35V7
$102.26
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 351-5050
Mfr. Part No.GB2DB08SKP7
$155.47
Each
units
630 VA DOL - 415 V ac IP20 - 1 DP - - - 74mm Yes 30mm
RS Stock No. 609-7511
Mfr. Part No.LC3D18AB7
$1,126.72
Each
units
22 kW Star Delta - 24 V ac - - - 3P - - Mechanical Interlock Included 124mm - 144mm
RS Stock No. 744-7816
Mfr. Part No.LE1D25U7
$321.98
Each
units
15 kW DOL - 240 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 494-6590
Mfr. Part No.D4E/I2/1P+N(230V50HZ240V60HZ)
BrandEaton
$210.57
Each
units
0.75 kW DOL - 400 V ac IP65 - 1 SP + N Automatic - - 180mm Yes 100mm
RS Stock No. 535-2126
Mfr. Part No.SDAINLM16(110V50HZ120V60HZ)
BrandEaton
$569.05
Each
units
7.5 kW Star Delta - 110 V ac IP55 - 3 - Automatic - - 68mm - 158mm
RS Stock No. 744-7807
Mfr. Part No.LE1D25N7
$315.66
Each
units
15 kW DOL - 415 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 744-7835
Mfr. Part No.LE1M35N708
$198.64
Each
units
1.1 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm