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. 528-7577
Mfr. Part No.118551 & XSDP15/I(400V50HZ,440V60HZ)
BrandEaton
$1,100.54
Each
units
15 kW Star Delta - 400 V ac IP65 - - 3P - - Disconnect Switch Included 250mm Yes 375mm
New
RS Stock No. 204-8286
Mfr. Part No.TPRSS009
$136.62
Each
units
5.5 kW DOL TeSys Island 690 V IP20 9 A, 15 A 1, 3 3 Automatic - - - - -
RS Stock No. 184-7085
Mfr. Part No.3RK1308-0BB00-0CP0
BrandSiemens
$460.86
Each
units
0.25 kW - Simatic 48 → 500 V ac IP20 1 A - 3 - - - 30mm - 166.9mm
RS Stock No. 177-0973
Mfr. Part No.3RA2110-1CD15-1AP0
BrandSiemens
$279.81
Each
units
750 W DOL SIRIUS 400 V ac IP20 1.8 → 2.5 A 3 3 - - - 45mm - 154.9mm
RS Stock No. 184-7090
Mfr. Part No.3RK1308-0CC00-0CP0
BrandSiemens
$495.60
Each
units
1.1 kW - Simatic 48 → 500 V ac IP20 3 A - 3 - - - 30mm - 166.9mm
RS Stock No. 177-8926
Mfr. Part No.3RA6400-2CB43
BrandSiemens
$596.19
Each
units
3 kW DOL SIRIUS 690 V IP20 4 A 3 3 - - - 45mm - 165mm
RS Stock No. 811-0792
Mfr. Part No.1TVC400153S5699
BrandABB
$657.55
Each
units
15 kW Star Delta - 400 V ac IP55 - 3 - - - - 184mm Yes 284mm
RS Stock No. 351-4776
Mfr. Part No.LE1GBKS55U7
$451.36
Each
units
5.5 kW DOL - 240 V ac IP65 - - - Automatic - Disconnect Switch Included 219mm Yes 214mm
RS Stock No. 351-4732
Mfr. Part No.LE1GBKO55U7
$143.17
Each
units
5.5 kW DOL - 240 V IP65 - - - Automatic - - 212mm Yes 124mm
RS Stock No. 394-9469
Mfr. Part No.LE4D12V7
$447.02
Each
units
7.5 kW DOL - 500 V ac IP657 - - 3P Automatic - - 330mm Yes 186mm
RS Stock No. 177-1003
Mfr. Part No.3RA2110-0KE15-1AP0
BrandSiemens
$219.46
Each
units
370 W DOL SIRIUS 400 V ac IP20 0.9 → 1.25 A 3 3 - - - 45mm - 96.9mm
RS Stock No. 272-612
Mfr. Part No.LUCA1XFU
$117.18
Each
units
0.25 kW DOL - 440 V ac IP40 - 3 3P - - - - - -
RS Stock No. 177-8946
Mfr. Part No.3RA6400-1DB42
BrandSiemens
$634.61
Each
units
7.5 kW DOL SIRIUS 690 V IP20 12 A 3 3 - - - 45mm - 165mm
RS Stock No. 609-4051
Mfr. Part No.LG7K06Q708
$603.26
Each
units
1.5 kW DOL - 440 V ac IP657 - 3 3P Automatic - - 165mm Yes 175mm
New
RS Stock No. 204-8278
Mfr. Part No.TPRSS038
$242.19
Each
units
18.5 kW DOL TeSys Island 480 V, 690 V IP20 38 A, 40 A 1, 3 3 Automatic - - - - -
RS Stock No. 684-3604
Mfr. Part No.0916609
$29.47
Each
units
- - CLIPLINE 240 V ac, 28 V dc - - - - - - - - - -
RS Stock No. 177-0997
Mfr. Part No.3RA2110-0JH15-1AP0
BrandSiemens
$276.15
Each
units
250 W DOL SIRIUS 400 V ac IP20 0.7 → 1 A 3 3 - - - 45mm - 154.9mm
RS Stock No. 177-0999
Mfr. Part No.3RA2110-1AD15-1BB4
BrandSiemens
$283.46
Each
units
550 W DOL SIRIUS 400 V ac IP20 1.1 → 1.6 A 3 3 - - - 45mm - 154.9mm
New
RS Stock No. 203-2520
Mfr. Part No.3RK1308-0AA00-0CP0
BrandSiemens
$344.39
Each
units
0.12 kW DOL SIMATIC 500 V IP20 400 mA 3 3 Automatic - - - - -
RS Stock No. 177-8919
Mfr. Part No.3RA6120-2CB32
BrandSiemens
$453.55
Each
units
3 kW DOL SIRIUS 690 V IP20 4 A 3 3 - - - 45mm - 165mm
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