MS27222-1

Technical Characteristics

• Nonpile-Up Main Contact Arrangement

  3 pole, single throw, normally open, double make, momentary action

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac resistive load and 50.0 amperes dc resistive load

• Case Material

  metal

• Terminal Type And Quantity

  8 threaded stud all functions

• Unthreaded Mounting Hole Diameter

  0.218 inches nominal single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Cubic Measure

  36.294 cubic inches

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac inductive load and 50.0 amperes dc inductive load

• Purpose For Which Designed

  general

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts dc 25 deg celsius single winding

• Coil Quantity

  1

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac motor load and 50.0 amperes dc motor load

• Specification/Standard Data

  96906-ms27222 government standard

• Winding Dc Resistance Rating

  51.0 ohms nominal single winding

• Time Delay

  0.05 seconds maximum fixed release time

• Time Delay

  0.025 seconds maximum fixed operate time

• Duty Type

  continuous

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.250 inches nominal single mounting facility

• Test Data Document

  81349-mil-r-6106 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Fragility Factor

  moderately rugged

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Overall Length

  3.734 inches maximum

• Mounting Facility Pattern

  rectangular single mounting facility

• Storage Type

  general purpose warehouse

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.687 inches nominal single mounting facility

• Environmental Protection

  hermetic

• Arc Quenching Method

  air

• Overall Width

  3.305 inches maximum

• Overall Height

  2.941 inches maximum

• Winding Quantity

  1

• ~1

  data on certain environmental and performance