NSN: 5945-00-735-4970

Technical Characteristics

• Pile-Up Main Contact Form Arrangement

  5a

• Mounting Facility Pattern

  irregularly spaced single mounting facility

• Nominal Thread Size

  0.112 inches single mounting facility

• Environmental Protection

  hermetic

• Winding Quantity

  1

• Thread Class

  2a single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Overall Width

  0.970 inches nominal

• Winding Dc Resistance Rating

  260.0 ohms nominal single winding

• Operating Voltage Rating And Type At Specified Temp

  27.5 volts teardrop, two holes type 4f single winding

• Coil Quantity

  1

• Overall Height

  1.640 inches nominal

• Thread Series Designator

  unc single mounting facility

• Overall Length

  1.340 inches nominal

• End Item Identification

  model no. 678b-1b

• Duty Type

  continuous

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.00 amperes ac resistive load and 5.00 amperes dc resistive load

• Mounting Facility Type And Quantity

  3 threaded stud single mounting facility