A771A

Technical Characteristics

• Environmental Protection

  dustproof

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f single winding

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Winding Quantity

  1

• Main Contact Load Current Rating At Maximum Rated Voltage

  300.0 amperes dc resistive load

• End Item Identification

  model no. ma1

• Terminal Type And Quantity

  4 pin all functions

• Overall Width

  4.000 inches nominal

• Duty Type

  continuous

• Center To Center Distance Between Mounting Facilities Parallel To Width

  3.000 inches nominal single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Coil Quantity

  1

• Winding Dc Resistance Rating

  96.0 ohms nominal single winding

• Overall Length

  4.000 inches nominal

• Overall Height

  3.250 inches nominal

• Unthreaded Mounting Hole Diameter

  0.196 inches nominal single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.000 inches nominal single mounting facility