Hand Operated Oil Immersed Auto Transform Starter Case Material Mild Steel Trip Mechanism Push Button Tripping Under Voltage Protection No-volt

Special Features:

• Unit compact, totally enclosed with gasketted joints, The case and lid are of mild steel and consequently suitable for use in places demanding a robust apparatus.
• Magnetic type overload protection with oil dashpot type  time lag device, which is adjustable, provides, insurance against motor burnout. They are both trip-free and tamper-proof.
• The auto transformer starters are designed for ordinary duty, and standard tappings are provided at 50%, 60% and 80% of line voltage. Other percentage tappings can be brought out to suit special requirements.
• Under-voltage protection by no-volt coil.
• Earth-leakage relay can be fitted on these units to protect the circuit from earth fault.

Type :  AT 15

• Correct sequence device rendering it impossible to put the handle into the "Running" position without going through the "Start" position.
• Tripping by push button fitted on the unit.
• Remote stopping is possible by push button station or any other tripping device-for which the no-volt terminals are brought out.
• Provision for fitting an isolator- interlocked with the unit-so that opening of the unit is not possible till the isolator is made "Off".
• Padlocking arrangement for isolator.
• Cable sealing boxes can be supplied for underground paper insulated cables-the standard unit, however, being suitable for PVC cable entry.
• The unit has the provision for fitting one metering instrument directly on itself. For more than one unit, an instrument panel is provided.