2A251

Technical Characteristics

• Contact Voltage Rating In Volts

  250.0 highest dc voltage rating at sea level

• Shaft Flat/Slot Angular Location

  135.0 degrees from nonturn device single actuator

• Switch Actuator Momentary Position

  counterclockwise single actuator

• Overall Diameter

  1.125 inches nominal

• Shaft Diameter

  0.250 inches nominal single actuator

• Features Provided

  metallic inclosure

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Contact Load Current Rating

  1.0 amperes resistive load highest dc voltage rating at sea level

• Contact Voltage Rating In Volts

  125.0 lowest dc voltage rating at sea level

• Individual Section Quantity

  1

• Switch Actuator Indexing Position Quantity

  2 single actuator

• Thread Series Designator

  unef single mounting facility

• Switch Contact Basic Design

  nonpile-up symmetrical

• Contact Load Current Rating

  2.0 amperes resistive load lowest dc voltage rating at sea level

• Terminal Type

  tab, solder lug

• Nonturn Device Radius

  0.531 inches nominal at 3:00 o'clock

• Nonturn Device Type

  tab at 3:00 o'clock

• Thread Class

  2a single mounting facility

• Pole Quantity

  2 single section front

• Throw Quantity

  1 single section front

• Overall Length

  1.092 inches nominal

• Mounting Method

  threaded bushing single mounting facility

• Shaft Type

  round, flatted single actuator

• Shaft Length

  0.530 inches nominal single actuator

• Nominal Thread Size

  0.375 inches single mounting facility

• First Flat Length

  0.250 inches nominal single actuator

• Flat Height

  0.156 inches nominal single actuator

• Contact Switching Action

  breaks before makes single section front

• Err Default

  err default

• Style Designator

  circular wafer, bushing mount