MS27222-7

Technical Characteristics

• Nonpile-Up Main Contact Arrangement

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

• Fragility Factor

  moderately rugged

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• ~1

  data on certain environmental and performance

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.250 inches nominal single mounting facility

• Duty Type

  continuous

• Time Delay

  0.025 seconds maximum fixed operate time

• End Item Identification

  bsy1 fy88

• Winding Dc Resistance Rating

  51.0 ohms nominal single winding

• Specification/Standard Data

  96906-ms27222 government standard

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac motor load and 50.0 amperes dc motor load

• Overall Height

  2.347 inches minimum and 2.941 inches maximum

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  5.0 probe ac resistive load and 5.0 probe dc resistive load

• Coil Quantity

  1

• Terminal Type And Quantity

  12 tab, solder lug all functions

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts dc 25 deg celsius single winding

• Nominal Operating Current Rating And Type

  600.0 milliamperes dc single winding

• Purpose For Which Designed

  general

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac inductive load and 50.0 amperes dc inductive load

• Cubic Measure

  36.294 cubic inches

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  5.0 probe ac inductive load and 5.0 probe dc inductive load

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Unthreaded Mounting Hole Diameter

  0.218 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

• Time Delay

  0.01 seconds maximum fixed release time

• Nonpile-Up Auxiliary Contact Arrangement

  1 pole, single throw, normally open, double make, momentary action and 1 pole, single throw, normally closed, double break, momentary action

• Features Provided

  polarized

• Case Material

  metal

• Main Contact Load Current Rating At Maximum Rated Voltage

  50.0 amperes ac resistive load and 50.0 amperes dc resistive load

• Winding Quantity

  1

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.0 amperes ac lamp load and 1.0 amperes dc lamp load

• Arc Quenching Method

  air

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  1.0 probe ac lamp load and 1.0 probe dc lamp load

• Auxiliary Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Environmental Protection

  hermetic

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.687 inches nominal single mounting facility

• Overall Length

  3.714 inches minimum and 3.734 inches maximum

• Storage Type

  general purpose warehouse

• Overall Width

  3.285 inches minimum and 3.305 inches maximum