M556291/1-101

Technical Characteristics

• Fragility Factor

  moderately rugged

• Body Width

  0.730 inches minimum and 0.780 inches maximum

• Trip Release Method

  magnetic single location

• Center To Center Distance Between Terminals Parallel To Length

  1.660 inches minimum and 1.960 inches maximum

• Special Handling Feature

  magnetic

• Operating Voltage Type And Rating Per Pole In Volts

  240.0 ac single location

• Thread Series Designator

  unc

• Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

  1000.0 ac single location

• Reset Method

  manual

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

  2.046 inches minimum and 2.078 inches maximum

• Actuator Position Designation

  at pole one

• Storage Type

  general purpose warehouse

• Actuator Function

  trip-reset

• Mounting Facility Type And Quantity

  2 threaded hole

• Thread Quantity Per Inch

  32

• Circuit Protection Type

  overcurrent single location

• Mounting Surface To Terminal End Distance

  2.553 inches maximum

• Pole Quantity

  1

• Manual Actuator Type And Quantity

  1 toggle

• Internal Trip Release Configuration

  series trip single location

• Nominal Thread Size

  0.138 inches

• ~1

  data on certain environmental and performanc

• Test Data Document

  81349-mil-c-55629 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

• Trip Release Characteristic

  time delay single location

• Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

  125.0 single location

• Main Contact Tripping Mechanism Type

  trip free

• Arc Quenching Method

  magnetic blowout

• Inclosure Protection Type For Which Designed

  moisture resistant and shock resistant and vibration resistant

• Boss Height

  0.140 inches nominal

• Maximum Continuous Load Current Rating Per Pole

  20.0 amperes ac single location

• Specification/Standard Data

  81349-mil-c-55629/1 government specification

• Body Style

  single pole type

• Trip Delay Time In Seconds Per Rated Continuous Current

  2.200 minimum at 200 pct single location and 20.000 maximum at 200 pct single location

• Frequency In Hertz

  60.0 single location

• Body Length

  2.510 inches maximum

• Case Material

  plastic

• Terminal Type And Quantity

  2 threaded stud