500K1903

Technical Characteristics

• Overall Height

  1.380 inches nominal

• Inclosure Type

  encased

• Vibration Resistance Range In Hertz

  +20.0/+500.0

• Vibration Resistance Amplitude

  5.0 gravitational units

• Circuit Construction Type

  solid state

• Overall Length

  3.880 inches nominal

• Connection Contact Type And Quantity

  4 gland drain

• Basic Shape Style

  rectangular or square

• External Dc Operating Voltage In Volts

  10.0 minimum single voltage and 30.0 maximum single voltage

• Operating Temp Range

  -40.0/+185.0 deg fahrenheit

• Color

  black

• Connection Type And Location

  adhesive butt weld pipe

• End Item Identification

  nsn 4110-01-389-9181 refrigeration unit

• Functional Description

  designed to provide overspeed/underspeed protection

• Overall Width

  2.120 inches nominal

• Installation Design

  mechanical

• Inclosure Material

  aluminum

• Special Features

  set point frequency range 60 to 357 hertz; signal source 37 gauge mini gen; switch action normally closed; nickel plated terminals

• Average Life Measurement

  indefinite