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. 725-5538
BrandRS PRO
$148.87
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. 251-2397
Mfr. Part No.LG7K06Q7
$301.10
Each
units
0.55 kW DOL - 400 V IP65 - - 3P Manual - - 165mm Yes 175mm
RS Stock No. 484-7257
Mfr. Part No.LE1GBTO11N7
$128.14
Each
units
11 kW DOL - 415 V ac IP65 - - - Automatic - - 212mm Yes 124mm
RS Stock No. 528-7583
Mfr. Part No.XDP4/ST(230V50HZ)
BrandEaton
$306.10
Each
units
4 kW DOL - 230 V ac IP55 - - 3P Automatic - Disconnect Switch Included 184mm Yes 184mm
RS Stock No. 811-0751
Mfr. Part No.DRAF12-14
BrandABB
$117.13
Each
units
5.5 kW DOL - 400 V ac IP65 - 3 - Automatic - - 230mm Yes 106mm
RS Stock No. 909-4089
BrandRS PRO
$118.75
Each
units
1.1 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. 445-0320
Mfr. Part No.MS116-0.63
BrandABB
$94.66
Each
units
- DOL - 690 V ac IP20 - 1, 3 3P Manual - - 90mm Yes 45mm
RS Stock No. 609-7836
Mfr. Part No.LG1D122Q716
$559.47
Each
units
5.5 kW DOL - 400 V ac IP657 - - 3P Automatic - Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 665-6264
Mfr. Part No.3RK4353-3LR58-1BA0
BrandSiemens
$609.95
Each
units
2.2 kW DOL - 400 V ac IP54 - 3 3P Manual Yes Circuit Breaker Included 220mm Yes 182mm
RS Stock No. 725-5541
BrandRS PRO
$305.34
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. 528-7779
Mfr. Part No.XSDP11/ST(400V50HZ)
BrandEaton
$880.00
Each
units
11 kW Star Delta - 400 V ac IP55 - - 3P - - Disconnect Switch Included 184mm Yes 284mm
RS Stock No. 744-7784
Mfr. Part No.LE1D18B7
$233.17
Each
units
10 kW DOL - 24 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 609-4017
Mfr. Part No.LG7K06M710
$419.09
Each
units
3 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
RS Stock No. 494-6562
Mfr. Part No.D4E/I2/3P+N(230V50HZ240V60HZ)
BrandEaton
$129.40
Each
units
4 kW DOL - 400 V ac IP65 - 3 3P + N Automatic - - 180mm Yes 100mm
RS Stock No. 251-2432
Mfr. Part No.LG8K09M7
$452.52
Each
units
1.5 kW DOL - 400 V ac IP657 - - 3P Automatic Yes Disconnect Switch Included 165mm Yes 175mm
RS Stock No. 351-4782
Mfr. Part No.LE1GBKS55N7
$329.26
Each
units
5.5 kW DOL - 415 V ac IP65 - - - Automatic - Disconnect Switch Included 219mm Yes 214mm
RS Stock No. 272-476
Mfr. Part No.LUCA1XB
$193.43
Each
units
0.25 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 744-7796
Mfr. Part No.LE1D18M7
$225.70
Each
units
10 kW DOL - 220 V ac IP65 - - - Automatic - - 201mm Yes 101mm
RS Stock No. 812-9089
Mfr. Part No.DOLC0.75400
BrandLovato
$148.40
Each
units
0.75 kW DOL - 400 V IP65 - 3 4P Automatic - - 175mm Yes 88mm
RS Stock No. 743-5346
Mfr. Part No.LE1M35B708
$153.18
Each
units
1.1 kW DOL - 24 V ac IP65 - 3 3P Automatic - - 160mm Yes 78mm
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