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Motor Starters

Elbox starters provide protection to your induction motors against all kinds of electrical faults. We manufacture a wide range of motor starters ranging from fractional Horsepower upto 200HP. These are pre-assembled, wired and ready to install units with built in overload, short-circuit and single phasing protection. Earth fault protection is also provided on request. Dry run protection is present in all submersible pump starters. Our range of starters consists of the following:

Direct On Line Starters (DOL Starters)

Direct On line starters are used in starting of small size 3-phase squirrel cage induction motors like small water pumps, compressors, fans and conveyor belts etc. It can be used only when the high inrush current of the motor does not cause an excessive voltage drop in the supply circuit. It has an optional provision to remotely start stop the starter using mobile app.

Star Delta Starters

Our star delta range of starters is suitable for starting of motors upto 200 HP catering to a wide range of applications in Cement plants, Steel plants, Rolling mills, Textiles, Food and Beverages, Sugar Plants, Small scale machine tools, Paper & Printing, Cold Storages, Plastic Welding Machines etc. The starter units consist of the following: SDF/MCCB, Power Contactors, Thermal /Electronic Overload relay Automatic time delay relay, Start and stop push buttons, On, Off Trip Indication lamps, Remote Local Selector Switch for remote operation of the starter Ammeter, Voltmeter, RYB indication Lamps

Reversing DOL Starters

These starters are used when the application requires the motor to run in reverse and forward directions eg. Mixing of materials, Dying machines etc. These starters are suitable for motor ratings upto 15 HP. The starter unit consists of MCB/Fuse, 2 nos Power contactor for forward and reverse operation, Overload Relay, Forward and Reverse Pushbuttons

Submersible Pump Starters

Submersible starters are available for single phase submersible pumps upto 3HP and 3 phase submersible pumps upto 7.5 HP. It provides reliable protection to the motor against overload and single phasing. It also provides dry run protection to the submersible pump motor thereby tripping the motor instantly when the water level decreases below the two dry run probe points. It also consists of phase indication lamps, ammeter and voltmeter for measuring the current drawn and phase voltage respectively.

Technical Features   +

  •   Powder-coated Mild Steel Enclosure, designed for floor mounting/ wall mounting/portable type
  •   Can be customized according to indoor or outdoor installation
  •   Starters are available with control voltage supply of 110 V AC, 220 V AC and 415 V AC
  •   ON /OFF Trip Indication lamps and START/STOP push buttons are provided
  •   Shrouded terminals for Incoming and Outgoing cable termination
  •   Removable gland plate at bottom for cable entry. Double earthing bolts.
  •   Incomer has Fuses/MCBs/RCCBs/MCCBs which offer Overload Protection, Short-Circuit Protection and Earth Fault Protection (optional).
  •   Earth Leakage relay with CBCT can be provided for Earth Leakage Protection in starters larger than 40 HP
  •   Suitable rated Power Contactors and Bi relays are used in the starters which are selected according to Type 2 coordination at Iq 50 kA ,415 V AC, 50 Hz.
  •   AC3 duty contactors are used in the starters for controlling and starting of squirrel cage motors.
  •   Bi-metallic Overload Relays are contactor mounted/independently mounted, offering overload protection and single phasing protection with manual/auto reset mode
  •   Provision for replacing the Bi metallic relay with electronic overload relay of suitable rating and wide range of protections.

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