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. 725-5513
BrandRS PRO
$106.99
Each
units
11 kW DOL - 230 V ac IP65 17 → 23 A 3 3P Automatic - Disconnect Switch Not Included 225mm Yes 110mm
RS Stock No. 812-9092
Mfr. Part No.DOLC1.1400
BrandLovato
$120.65
Each
units
1.1 kW DOL - 400 V IP65 - 3 3 Automatic - - 175mm Yes 88mm
RS Stock No. 909-4073
BrandRS PRO
$116.41
Each
units
5.5 kW DOL - 415 V IP55 - 3 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 909-4085
BrandRS PRO
$129.64
Each
units
0.75 kW DOL - 240 V IP55 - 1 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 744-7841
Mfr. Part No.LE1M35N714
$185.76
Each
units
3 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 725-5569
BrandRS PRO
$461.71
Each
units
30 kW Star Delta - 230 V ac IP65 32 → 38 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5535
BrandRS PRO
$152.22
Each
units
11 kW DOL - 230 V ac IP65 17 → 23 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 272-583
Mfr. Part No.LUCA32BL
$197.29
Each
units
18.5 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-4118
Mfr. Part No.LG8K06Q710
$529.76
Each
units
3 kW DOL - 440 V ac IP657 - - 3P Automatic Yes Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 909-4082
BrandRS PRO
$129.34
Each
units
7.5 kW DOL - 415 V IP55 - 3 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 272-527
Mfr. Part No.LUCAX6BL
$174.73
Each
units
0.09 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-7785
Mfr. Part No.LE4D35V7
$731.50
Each
units
18.5 kW DOL - 690 V ac IP657 - - 3P Automatic - - 330mm Yes 186mm
RS Stock No. 725-5566
BrandRS PRO
$388.41
Each
units
22 kW Star Delta - 400 V ac IP65 24 → 32 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 351-4811
Mfr. Part No.LE2GBKO55U7
$264.98
Each
units
5.5 kW DOL - 240 V ac IP65 - - - Automatic Yes - 219mm Yes 214mm
RS Stock No. 711-6464
Mfr. Part No.MS132-2.5
BrandABB
$120.74
Each
units
0.75 kW DOL - 690 V ac IP20 10 → 16 A 1, 3 3P Manual - - 90mm Yes 45mm
RS Stock No. 248-5138
Mfr. Part No.GHG6351101R0105
BrandCEAG
$984.73
Each
units
- DOL - 690 V ac IP66 - - - Manual - - 225mm Yes 140mm
RS Stock No. 744-7869
Mfr. Part No.LE1M35U706
$157.15
Each
units
0.37 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-3991
Mfr. Part No.LG7K06M707
$410.87
Each
units
1.1 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
RS Stock No. 272-404
Mfr. Part No.LUCA12FU
$161.09
Each
units
9 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 248-5166
Mfr. Part No.GHG6351101R0108
BrandCEAG
$1,369.79
Each
units
- DOL - 690 V ac IP66 - - - Manual - - 225mm Yes 140mm
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