Direct On-Line method is the simplest method for starting a 3-phase pump set.RR Pumps & Motors offer two variants of DOL Method - a starter and a controller.DOL Starters are basic electrical starters with contactors and relay for ON/OFF operation and overload protection of the pump set.The primary purpose of motor starter is to start and stop a motor which is connected to saftey. These starters also facilitate remote operation of the motor.

 

TECHNICAL DATA

 

MAIN CONTACT

No of Contacts : 4 Nos

Moving Contacts : 4 Nos

Fixed Contacts Front : 4 Nos

Fixed Contacts Rear : 4 Nos

Fitting : Screw Fitting Alignments

Nominal rating at 50Hz : 15A 500V / 22A 500V / 32A 550V

Motor kW/HP at : 415V,50Hz,AC3:2.2-3.0/4.0-5.5/4.5-6.0/5.5-7.5/7.5-10.0/11.0-15.0/15.0-20.0/

Terminal Size : Upto 16 sqmm

 

COIL CONSUMPTION

During Closing : 57VA

When Close : 13VA[6W]

 

OTHER DETAILS

Max. Number of Full Starts : 30 per hour

Mechanical Life : 10 Million Operation

Contact Life : More than 5 Million Operation

IP Rating : IP 52

Making Capacity at 50Hs : 88A at 0.3pf at 457V

Breaking Capacity at 50Hz : 88A at 0.3pf at 457V

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