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. 725-5507
BrandRS PRO
SGD67.45
Each
units
5.5 kW DOL - 400 V ac IP65 9 → 14 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5503
BrandRS PRO
SGD67.45
Each
units
5.5 kW DOL - 230 V ac IP65 9 → 14 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5516
BrandRS PRO
SGD81.06
Each
units
7.5 kW DOL - 230 V ac IP65 13 → 18 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5525
BrandRS PRO
SGD182.42
Each
units
5.5 kW DOL - 230 V ac IP65 9 → 14 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 725-5522
BrandRS PRO
SGD104.84
Each
units
11 kW DOL - 400 V ac IP65 17 → 23 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5519
BrandRS PRO
SGD81.06
Each
units
7.5 kW DOL - 400 V ac IP65 13 → 18 A 3 3P Automatic - Disconnect Switch Not Included 193mm Yes 88mm
RS Stock No. 725-5553
BrandRS PRO
SGD449.13
Each
units
15 kW Star Delta - 400 V ac IP65 13 → 18 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5513
BrandRS PRO
SGD104.84
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. 725-5566
BrandRS PRO
SGD527.37
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. 725-5569
BrandRS PRO
SGD698.14
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. 909-4076
BrandRS PRO
SGD125.84
Each
units
3.7 kW DOL - 415 V IP55 5.5 → 8 A 3 3PST Manual - Colour RAL 7035 Light Grey, Hand Reset Thermal Overloads, Provision for Remote Control 104mm Yes 174mm
RS Stock No. 725-5531
BrandRS PRO
SGD188.87
Each
units
7.5 kW DOL - 400 V ac IP65 13 → 18 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 725-5538
BrandRS PRO
SGD188.87
Each
units
7.5 kW DOL - 230 V ac IP65 13 → 18 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 725-5581
BrandRS PRO
SGD733.69
Each
units
22 kW Star Delta - 230 V ac IP65 24 → 32 A 3 3P - - Disconnect Switch Included 220mm Yes 280mm
RS Stock No. 725-5572
BrandRS PRO
SGD534.48
Each
units
11 kW Star Delta - 230 V ac IP65 9 → 14 A 3 3P - - Disconnect Switch Included 220mm Yes 280mm
RS Stock No. 725-5563
BrandRS PRO
SGD698.14
Each
units
30 kW Star Delta - 400 V ac IP65 32 → 38 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5550
BrandRS PRO
SGD449.13
Each
units
15 kW Star Delta - 230 V ac IP65 13 → 18 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5541
BrandRS PRO
SGD431.34
Each
units
11 kW Star Delta - 400 V ac IP65 9 → 14 A 3 3P - - Disconnect Switch Not Included 220mm Yes 280mm
RS Stock No. 725-5535
BrandRS PRO
SGD205.08
Each
units
11 kW DOL - 230 V ac IP65 17 → 23 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
RS Stock No. 725-5529
BrandRS PRO
SGD182.42
Each
units
5.5 kW DOL - 400 V ac IP65 9 → 14 A 3 3P Automatic - Disconnect Switch Included 225mm Yes 110mm
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