Automatic Star Delta Starters
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Technical characteristics
- BrandDelta
Description
We supply our top quality automatic air break star delta starters type CSD/A for starting of squirrel cage induction motors. These comply to BSS 775 and BSS 587 and are suitable for 40 starts per hour. The product is offered at reasonable prices.
Construction:
Construction:
- Totally enclosed, in a deep-drawn sheet metal casing, wall mounting type, suitably gasketted to make it dust proof
- The entire starter assembly (which is mounted on a steel plate) can be taken out of the casing by removing four screws only.
- Maintenance is facilitated by taking the interior out for repair while a spare interior can be inserted.
- The automatic star delta starters are ideal for controlling motors upto 40 HP at 400/440 volts or 500/550 volts
- Adjustable Timer is incorporated for automatic changeover from Star to Delta.
- Are provided with magnetic type overload releases with an adjustable oil dashpot time lag device on all the three phases
- The magnetic overload device, which works on the magnetic principle of current, is totally independent of the ambient temperature, provides a positive and direct protection to the motor
- Non-aging properties inherent to the magnetic overload device ensures the same protection to the motor even after years of service
- Can also be fitted with thermal type bi-metallic overload releases with temperature compensation devices
- The overload device is of the Hand-Resetting type which is an essential feature where remote control is required.
- The under voltage protection is inherent
- Start and Stop/Reset Push Buttons are provided on the front cover
- Remote control terminals are also provided for remote operation by means of limit switch, float switch, pressure switch or a separate push button unit.
- A rotary type triple pole air break isolating switch can be provided on starters, the operation of which is interlocked with the lid of the starter
- Ensures that the starter lid cannot be opened till the isolator is in the OFF position.
- Units are provided with entries for conduit connections
- Sealing boxes can be provided for underground paper-insulated cables.
- Double earthing terminals are provided.
- Special current activated change-over Timer ensures transition from Star to Delta at approximately the rated current of the motor only, irrespective of the transition time which depends on the drive
- This leads to no wear on the contacts due to transition kicks.
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Automatic Star Delta Starters