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. 609-7628
Mfr. Part No.LD1LD030M
TWD53,421.00
Each
units
55 kW DOL - 690 V ac IP20 - - 3P Automatic - - - - -
RS Stock No. 272-583
Mfr. Part No.LUCA32BL
TWD3,783.00
Each
units
18.5 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
TWD14,660.00
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 272-454
Mfr. Part No.LUCA05FU
TWD2,473.00
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 272-432
Mfr. Part No.LUCA12BL
TWD3,013.00
Each
units
9 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-7842
Mfr. Part No.LG1D182Q720
TWD17,403.00
Each
units
7.5 kW DOL - 400 V ac IP657 - - 3P Automatic - Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 609-3985
Mfr. Part No.LG7D18Q720
TWD14,255.00
Each
units
9 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
RS Stock No. 609-7713
Mfr. Part No.LE1M35V7
TWD1,952.00
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-4051
Mfr. Part No.LG7K06Q708
TWD12,501.00
Each
units
1.5 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
RS Stock No. 609-3935
Mfr. Part No.LG1K065Q707
TWD16,188.00
Each
units
1.1 kW DOL - 440 V ac IP657 - - 3P Automatic - Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 382-270
Mfr. Part No.LG7D12B716
TWD13,400.00
Each
units
5.5 kW DOL - 440 V ac IP657 - - 3P Automatic - - 165mm Yes 175mm
RS Stock No. 272-460
Mfr. Part No.LUCA05ES
TWD3,689.00
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-3941
Mfr. Part No.LG1K065Q708
TWD16,188.00
Each
units
1.5 kW DOL - 440 V ac IP657 - - 3P Automatic - Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 394-9504
Mfr. Part No.LE1D09V7
TWD3,822.00
Each
units
5.5 kW DOL - 690 V ac IP657 - 3 - Automatic No - 166mm Yes 88mm
RS Stock No. 744-7881
Mfr. Part No.LE1M35U716
TWD4,767.00
Each
units
4 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 609-3991
Mfr. Part No.LG7K06M707
TWD12,501.00
Each
units
1.1 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
RS Stock No. 272-599
Mfr. Part No.LUCA05B
TWD2,473.00
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 394-9526
Mfr. Part No.LE1D09P7
TWD2,594.00
Each
units
4 kW DOL TeSys 690 V ac IP657 9 A AC-3 3 - Automatic No - 166mm Yes 88mm
RS Stock No. 609-7684
Mfr. Part No.LE1D25V7
TWD4,780.00
Each
units
15 kW DOL - 690 V ac IP657 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 609-4089
Mfr. Part No.LG7K09Q714
TWD13,715.00
Each
units
4 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm