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. 177-8917
Mfr. Part No.3RA6120-1DB33
BrandSiemens
$504.96
Each
units
7.5 kW DOL SIRIUS 690 V IP20 12 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8956
Mfr. Part No.3RA6500-2DB43
BrandSiemens
$1,088.33
Each
units
7.5 kW - SIRIUS 690 V IP20 12 A 3 3 - Yes - 90mm - 165mm
RS Stock No. 184-7104
Mfr. Part No.3RK1908-1AA00-0BP0
BrandSiemens
$96.70
Each
units
- - Simatic - IP20 9 mA - - - - - 30mm - 42.3mm
RS Stock No. 184-7092
Mfr. Part No.3RK1308-0CE00-0CP0
BrandSiemens
$707.12
Each
units
5.5 kW - Simatic 48 → 500 V ac IP20 12 A - 3 - - - 30mm - 166.9mm
RS Stock No. 177-8918
Mfr. Part No.3RA6120-2DB32
BrandSiemens
$521.05
Each
units
7.5 kW DOL SIRIUS 690 V IP20 12 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-0997
Mfr. Part No.3RA2110-0JH15-1AP0
BrandSiemens
$235.75
Each
units
250 W DOL SIRIUS 400 V ac IP20 0.7 1 A 3 3 - - - 45mm - 154.9mm
RS Stock No. 177-0986
Mfr. Part No.3RA2110-1BH15-1AP0
BrandSiemens
$246.69
Each
units
750 W DOL SIRIUS 400 V ac IP20 1.4 2 A 3 3 - - - 45mm - 154.9mm
RS Stock No. 177-8934
Mfr. Part No.3RA6250-1BB33
BrandSiemens
$770.48
Each
units
750 W - SIRIUS 690 V IP20 1.25 A 3 3 - Yes - 90mm - 165mm
RS Stock No. 177-0999
Mfr. Part No.3RA2110-1AD15-1BB4
BrandSiemens
$242.00
Each
units
550 W DOL SIRIUS 400 V ac IP20 1.1 1.6 A 3 3 - - - 45mm - 154.9mm
RS Stock No. 184-7093
Mfr. Part No.3RK1308-0DB00-0CP0
BrandSiemens
$677.39
Each
units
0.25 kW Reversing Simatic 48 → 500 V ac IP20 1 A 3 3 - Yes Electronic Overload Protection 30mm - 166.9mm
RS Stock No. 177-8927
Mfr. Part No.3RA6120-1BB33
BrandSiemens
$442.58
Each
units
750 W DOL SIRIUS 690 V IP20 1.25 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8915
Mfr. Part No.3RA6120-2EB33
BrandSiemens
$762.45
Each
units
15 kW DOL SIRIUS 690 V IP20 32 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8957
Mfr. Part No.3RA6250-2DB33
BrandSiemens
$909.30
Each
units
7.5 kW - SIRIUS 690 V IP20 12 A 3 3 - Yes - 90mm - 165mm
RS Stock No. 184-7105
Mfr. Part No.3RK1908-1DA00-2BP0
BrandSiemens
$53.78
Each
units
- - - - - - - - - - - - - -
RS Stock No. 177-8923
Mfr. Part No.3RA6120-1CB33
BrandSiemens
$474.78
Each
units
3 kW DOL SIRIUS 690 V IP20 4 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8959
Mfr. Part No.3RA6120-1DB34
BrandSiemens
$504.96
Each
units
7.5 kW DOL SIRIUS 690 V IP20 12 A 3 3 - - - 45mm - 165mm
RS Stock No. 184-7107
Mfr. Part No.3RK1908-1CA00-0BP0
BrandSiemens
$30.03
Each
units
- - - - - - - - - - - - - -
RS Stock No. 177-8958
Mfr. Part No.3RA6120-2CP32
BrandSiemens
$498.90
Each
units
3 kW DOL SIRIUS 690 V IP20 4 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8924
Mfr. Part No.3RA6120-2BB33
BrandSiemens
$442.58
Each
units
750 W DOL SIRIUS 690 V IP20 1.25 A 3 3 - - - 45mm - 165mm
RS Stock No. 177-8950
Mfr. Part No.3RA6250-1BB34
BrandSiemens
$770.48
Each
units
750 W - SIRIUS 690 V IP20 1.25 A 3 3 - Yes - 90mm - 165mm