A-1543

Technical Characteristics

• Environmental Protection

  dustproof

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  7.875 inches nominal single mounting facility

• Unthreaded Mounting Hole Diameter

  0.221 inches minimum single mounting facility and 0.231 inches maximum single mounting facility

• Main Contact Load Current Rating At Maximum Rated Voltage

  300.0 amperes dc resistive load

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  5.0 amperes dc resistive load

• Winding Quantity

  2

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.250 inches nominal single mounting facility

• Nominal Operating Current Rating And Type

  500.0 milliamperes dc all windings

• Special Features

  one terminal each coil common to main contact terminals

• Coil Quantity

  2

• Terminal Type And Quantity

  12 threaded stud all functions

• Overall Height

  2.950 inches maximum

• Overall Width

  2.810 inches maximum

• Overall Length

  8.440 inches maximum

• Main Contact Load Current Rating At Maximum Rated Voltage

  200.0 amperes dc inductive load

• Auxiliary Contact Maximum Voltage Rating In Volts

  28.0 dc

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f all windings

• Nonpile-Up Auxiliary Contact Arrangement

  2 pole, single throw, normally open, momentary action

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Main Contact Load Current Rating At Maximum Rated Voltage

  200.0 amperes dc motor load

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes dc inductive load

• Features Provided

  latching contacts

• Duty Type

  continuous