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. 609-7713
Mfr. Part No.LE1M35V7
HK$390.00
Each
units
7.5 kW DOL - 400 V ac IP65 - - 3P Automatic - - 160mm Yes 78mm
RS Stock No. 272-454
Mfr. Part No.LUCA05FU
HK$422.42
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-4124
Mfr. Part No.LG8K09Q714
HK$3,249.00
Each
units
4 kW DOL - 440 V ac IP657 - - 3P Automatic Yes Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 609-7505
Mfr. Part No.LC3D12AP7
HK$2,878.50
Each
units
11 kW Star Delta - 440 V ac - - - 3P - - Mechanical Interlock Included 124mm - 143mm
RS Stock No. 351-4748
Mfr. Part No.LE1GBKO55N7
HK$500.00
Each
units
5.5 kW DOL - 415 V ac IP65 - - - Automatic - - 212mm Yes 124mm
RS Stock No. 743-5349
Mfr. Part No.LE1M35B712
HK$760.00
Each
units
2.2 kW DOL - 24 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7875
Mfr. Part No.LE1M35U710
HK$820.00
Each
units
1.5 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 744-7869
Mfr. Part No.LE1M35U706
HK$820.00
Each
units
0.37 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 272-606
Mfr. Part No.LUCA05BL
HK$458.35
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 609-7549
Mfr. Part No.LC3D32AP7
HK$5,380.00
Each
units
30 kW Star Delta - 230 V ac - 32 A - 3P - - Mechanical Interlock Included 124mm - 165mm
RS Stock No. 251-2410
Mfr. Part No.LG8K06M7
HK$1,810.00
Each
units
0.06 kW DOL - 400 V ac IP657 - - 3P Automatic Yes Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 394-9526
Mfr. Part No.LE1D09P7
HK$538.00
Each
units
4 kW DOL - 690 V ac IP657 - 3 - Automatic No - 166mm Yes 88mm
RS Stock No. 272-460
Mfr. Part No.LUCA05ES
HK$525.30
Each
units
3 kW DOL - 690 V ac IP40 - 3 3P - - - - - -
RS Stock No. 744-7857
Mfr. Part No.LE1M35N722
HK$892.14
Each
units
7.5 kW DOL - 415 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 272-511
Mfr. Part No.LUCAX6B
HK$476.00
Each
units
0.09 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 272-482
Mfr. Part No.LUCA1XBL
HK$581.25
Each
units
0.25 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 743-5343
Mfr. Part No.LE1M35B714
HK$760.00
Each
units
3 kW DOL - 24 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 743-5346
Mfr. Part No.LE1M35B708
HK$760.00
Each
units
1.1 kW DOL - 24 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
RS Stock No. 484-7263
Mfr. Part No.LE1GBTS11U7
HK$1,760.00
Each
units
11 kW DOL - 415 V ac IP65 - - - Automatic - Disconnect Switch Included 219mm Yes 214mm
RS Stock No. 744-7863
Mfr. Part No.LE1M35U707
HK$850.00
Each
units
0.55 kW DOL - 240 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm