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. 812-9077
Mfr. Part No.DOLC0.37400
BrandLovato
HK$606.16
Each
units
0.37 kW DOL - 400 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 812-9083
Mfr. Part No.DOLC1.1230
BrandLovato
HK$606.16
Each
units
1.1 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 812-9073
Mfr. Part No.DOLC0.37230
BrandLovato
HK$606.16
Each
units
0.37 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 823-9830
Mfr. Part No.SDSI45415
BrandLovato
HK$12,646.67
Each
units
45 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 500mm Yes 400mm
RS Stock No. 812-9092
Mfr. Part No.DOLC1.1400
BrandLovato
HK$585.64
Each
units
1.1 kW DOL - 400 V IP65 - 3 3 Automatic - - 175mm Yes 88mm
RS Stock No. 812-9099
Mfr. Part No.DOLC2.2400
BrandLovato
HK$585.64
Each
units
2.2 kW DOL - 400 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 812-9095
Mfr. Part No.DOLC2.2230
BrandLovato
HK$515.24
Each
units
2.2 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 823-9824
Mfr. Part No.SDSI15415
BrandLovato
HK$6,297.92
Each
units
15 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 300mm Yes 300mm
RS Stock No. 812-9086
Mfr. Part No.DOLC0.75230
BrandLovato
HK$606.16
Each
units
0.75 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 812-9109
Mfr. Part No.DOLC4.0230
BrandLovato
HK$606.16
Each
units
4 kW DOL - 230 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 812-9102
Mfr. Part No.DOLC4.0400
BrandLovato
HK$606.16
Each
units
4 kW DOL - 400 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 823-9815
Mfr. Part No.SDSI11415
BrandLovato
HK$5,956.74
Each
units
11 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 300mm Yes 300mm
RS Stock No. 823-9827
Mfr. Part No.SDSI22415
BrandLovato
HK$7,348.90
Each
units
22 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 300mm Yes 300mm
RS Stock No. 812-9089
Mfr. Part No.DOLC0.75400
BrandLovato
HK$606.16
Each
units
0.75 kW DOL - 400 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 823-9821
Mfr. Part No.SDSI30415
BrandLovato
HK$8,112.10
Each
units
30 kW Star Delta - 400 V IP65 - 3 - Manual No Isolator Included, Thermal Over Load Relay 300mm Yes 300mm