1-1957-7-B4N

Technical Characteristics

• Shaft Length

  0.370 inches nominal single actuator

• Contact Voltage Rating In Volts

  115.0 ac at sea level

• Flat Height

  0.210 inches nominal single actuator

• Operating Temp Range

  -55.0/+125.0 deg celsius

• First Flat Length

  0.250 inches nominal single actuator

• Style Designator

  tap, circular, bushing mount

• Shaft Type

  round, flatted single actuator

• Individual Section Quantity

  7

• Overall Length

  4.400 inches nominal

• Shaft Flat/Slot Angular Location

  30.0 degrees from contact position 1 single actuator

• Hazardous Locations/Environmental Protection

  explosion proof

• Mounting Method

  threaded bushing single mounting facility

• Contact Load Current Rating

  5.0 amperes resistive load ac at sea level

• Overall Diameter

  1.150 inches nominal

• Pole Quantity

  4 each section front

• Contact Load Current Rating

  3.0 amperes resistive load dc at sea level

• Terminal Type

  tab, solder lug

• Switch Contact Basic Design

  nonpile-up symmetrical

• Rotor Through Connection Quantity

  1 each section

• Contact Voltage Rating In Volts

  28.0 dc at sea level

• Switch Actuator Positioning Increment

  30.0 degrees single actuator

• Throw Quantity

  7 each section front

• Nonturn Device Type

  slotted bushing at 3:00 o'clock

• Switch Actuator Stop Device Type

  fixed stop single actuator

• Contact Switching Action

  breaks before makes each section front

• Shaft Diameter

  0.250 inches nominal single actuator