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. 133-028
Mfr. Part No.48ADS1XRS
BrandEaton
HK$762.20
Each
units
9 kW DOL - 415 V ac IP54 - 3 - Automatic - - 223mm Yes 141mm
RS Stock No. 535-2261
Mfr. Part No.SDAINLM55(110V50HZ120V60HZ)
BrandEaton
HK$4,380.00
Each
units
30 kW Star Delta - 110 V ac IP55 - 3 - Automatic - - 85mm - 158mm
RS Stock No. 133-056
Mfr. Part No.48ADSA1XRS
BrandEaton
HK$2,390.26
Each
units
9 kW DOL - 415 V ac IP54 - 3 - Automatic - Disconnect Switch Included 260mm Yes 221.5mm
RS Stock No. 133-034
Mfr. Part No.28ADSA1XRS
BrandEaton
HK$2,325.74
Each
units
9 kW DOL - 415 V ac IP54 - 3 - Automatic - Disconnect Switch Included 260mm Yes 221.5mm
RS Stock No. 528-7397
Mfr. Part No.XDP5,5/I(400V50HZ)
BrandEaton
HK$1,577.80
Each
units
5.5 kW DOL - 400 V ac IP65 - - 3P Automatic - Disconnect Switch Included 200mm Yes 120mm
RS Stock No. 494-6562
Mfr. Part No.D4E/I2/3P+N(230V50HZ240V60HZ)
BrandEaton
HK$750.00
Each
units
4 kW DOL - 400 V ac IP65 - 3 3P + N Automatic - - 180mm Yes 100mm
RS Stock No. 535-2097
Mfr. Part No.SDAINLM12(110V50HZ120V60HZ)
BrandEaton
HK$2,190.00
Each
units
5.5 kW DOL - 110 V ac IP55 - 3 - Automatic - - 68mm - 158mm
RS Stock No. 535-2182
Mfr. Part No.SDAINLM30(110V50HZ120V60HZ)
BrandEaton
HK$3,070.00
Each
units
15 kW DOL - 110 V ac IP55 - 3 - Automatic - - 85mm - 158mm
RS Stock No. 528-7791
Mfr. Part No.XSDP15/ST(400V50HZ)
BrandEaton
HK$4,181.42
Each
units
15 kW Star Delta - 400 V ac IP55 - - 3P - - Disconnect Switch Included 305mm Yes 285mm
RS Stock No. 528-7612
Mfr. Part No.XDP5,5/ST(400V50HZ)
BrandEaton
HK$1,782.91
Each
units
5.5 kW DOL - 400 V ac IP55 - - 3P Automatic - Disconnect Switch Included 184mm Yes 184mm
RS Stock No. 528-7432
Mfr. Part No.XDP11/I(400V50HZ)
BrandEaton
HK$2,071.00
Each
units
11 kW DOL - 400 V ac IP65 - - 3P Automatic - Disconnect Switch Included 240mm Yes 160mm
RS Stock No. 528-7404
Mfr. Part No.XDP7,5/I(230V50HZ)
BrandEaton
HK$1,550.00
Each
units
7.5 kW DOL - 230 V ac IP65 - - 3P Automatic - Disconnect Switch Included 240mm Yes 160mm
RS Stock No. 133-107
Mfr. Part No.28ADS1X
BrandEaton
HK$692.42
Each
units
9 kW DOL - 240 V IP54 - 3 - Automatic - - 223mm Yes 141mm
RS Stock No. 535-2227
Mfr. Part No.SDAINLM45(110V50HZ120V60HZ)
BrandEaton
HK$3,690.00
Each
units
22 kW Star Delta - 110 V ac IP55 - 3 - Automatic - - 85mm - 158mm
RS Stock No. 528-7628
Mfr. Part No.XDP7,5/ST(230V50HZ)
BrandEaton
HK$2,080.00
Each
units
7.5 kW DOL - 230 V ac IP55 - - 3P Automatic - Disconnect Switch Included 184mm Yes 184mm
RS Stock No. 528-7454
Mfr. Part No.XDRP4/I(230V50HZ)
BrandEaton
HK$3,080.00
Each
units
4 kW DOL - 230 V ac IP65 - - 3P Automatic Yes Disconnect Switch Included 280mm Yes 200mm
RS Stock No. 528-7527
Mfr. Part No.XSDP7,5/I(230V50HZ)
BrandEaton
HK$4,510.00
Each
units
7.5 kW Star Delta - 230 V ac IP65 - - 3P - - Disconnect Switch Included 250mm Yes 375mm
RS Stock No. 528-7353
Mfr. Part No.XDP4/I(230V50HZ)
BrandEaton
HK$1,502.26
Each
units
4 kW DOL - 230 V ac IP65 - - 3P Automatic - Disconnect Switch Included 200mm Yes 120mm
RS Stock No. 528-7684
Mfr. Part No.XDRP4/ST(400V50HZ)
BrandEaton
HK$2,835.36
Each
units
4 kW DOL - 400 V ac IP55 - - 3P Automatic Yes Disconnect Switch Included 184mm Yes 284mm
RS Stock No. 528-7763
Mfr. Part No.XSDP11/ST(230V50HZ)
BrandEaton
HK$4,470.00
Each
units
11 kW Star Delta - 230 V ac IP55 - - 3P - - Disconnect Switch Included 184mm Yes 284mm