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DC Motor Protector (SN-25)




We are a supreme Manufacturer, Supplier and Exporter of DC Motor Protector (SN-25). The SN-25 series is a high current motor protector which delivers the benefit of locked rotor and overload protection in a robust integrated package.

The SN-25 Series has been designed to offer protection for a wide range of 12 volt to 48 volt applications in a minimum package size. The SN-25 Series is suitable for both intermittent and continuous rated motors. The SN-25 is also designed for manual switching operations. The SN-25 is physically small and has unique 'snap action' bimetal disc, ensuring a positive make and break switching action for enhanced contact life. has unique 'snap action' bimetal disc, ensuring a positive make and break switching action for enhanced contact life.

Features
  • Tin plated steel base and tab
  • Available in covered and uncovered versions
  • Designed to trip time or temperature specifications
  • Multiple bimetallic resistivities available

Applications
  • Over current and t/emperature protection in DC Motors
  • Refrigerator Compressors
  • DC blowers
  • Engine Cooling fan motors
  • Pump Motor
  • Window lift motors
  • Front and rear wiper motors
  • Sun roof motors
  • Adjuster motors
  • Antenna lift motors
  • Door lock actuators
  • Wiper motors
  • Sliding door motors

Rating
  • Nominal Operating Voltage : 12-48 Volts DC
  • Typical voltage drop at operating current : 200 mV max
  • Cut-off temperature range : 60oC to 166oC
  • Operating Trip Current Range : 10-125 Amps

Selection Code
  • SN-25/NC(

Graph
The Current VS Trip Time graph shows that whenever there is a locked rotor condition and the current
exceeds 2.5 times the rated current the circuit is opened by SN-25 within 4-7sec without harming the motor.


Selection Code Chart

Selection Code Chart

Line Diagram



Graph

<b>Graph</b>
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