4-1900M5-3NP

Technical Characteristics

• Thread Series Designator

  unef single mounting facility

• Style Designator

  9 tap, circular, bushing mount

• Contact Load Current Rating

  50.0 milliamperes resistive load ac at sea level

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Terminal Type

  tab, solder lug

• Switch Actuator Indexing Position Quantity

  3 single actuator

• Shaft Flat/Slot Angular Location

  195.0 degrees from nonturn device single actuator

• Contact Voltage Rating In Volts

  30.0

• Contact Voltage Rating In Volts

  150.0

• Mounting Method

  threaded bushing w/panel seal single mounting facility

• Throw Quantity

  3 each section rear

• Switch Contact Basic Design

  nonpile-up symmetrical

• Nonturn Device Radius

  0.360 inches minimum and 0.390 inches maximum at 3:00 o'clock

• Shaft Length

  0.834 inches minimum and 0.914 inches maximum single actuator

• Shaft Diameter

  0.248 inches minimum and 0.251 inches maximum single actuator

• Flat Height

  0.204 inches minimum and 0.224 inches maximum single actuator

• First Flat Length

  0.230 inches minimum and 0.270 inches maximum single actuator

• Hazardous Locations/Environmental Protection

  explosion proof

• Test Data Document

  81349-mil-s-3786/4 specification

• Contact Load Current Rating

  200.0 milliamperes resistive load and 200.0 milliamperes inductive load dc at se

• ~1

  a level

• Contact Switching Action

  breaks before makes each section rear

• Shaft Type

  round, flatted single actuator

• Rotor Through Connection Quantity

  3 each section

• Nominal Thread Size

  0.375 inches single mounting facility

• Pole Quantity

  3 each section front

• Operating Temp Range

  -65.0/+85.0 deg celsius

• Nonturn Device Type

  tab at 3:00 o'clock

• Individual Section Quantity

  5

• Overall Diameter

  1.312 inches maximum

• Overall Length

  3.654 inches maximum

• Thread Length

  0.417 inches minimum and 0.457 inches maximum single mounting facility

• Thread Class

  2a single mounting facility