B-1850

Technical Characteristics

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Unthreaded Mounting Hole Diameter

  0.211 inches nominal single mounting facility

• Overall Height

  7.120 inches nominal

• Main Contact Maximum Voltage Rating In Volts

  208.0 ac

• Terminal Type And Quantity

  37 pin all functions

• Winding Quantity

  1

• Center To Center Distance Between Mounting Facilities Parallel To Width

  4.000 inches nominal single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  5.000 inches nominal single mounting facility

• Coil Quantity

  2

• Main Contact Load Current Rating At Maximum Rated Voltage

  250.0 amperes ac resistive load

• Fsc Application Data (Non-Core)

  relay armature,excepe engine

• Overall Width

  5.120 inches nominal

• Nonpile-Up Main Contact Arrangement

  3 pole, double throw, one position momentary

• Duty Type

  continuous

• Overall Length

  6.320 inches nominal

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f single winding

• Nonpile-Up Auxiliary Contact Arrangement

  2 pole, single throw, normally open, momentary action and 10 pole, single throw, normally closed, momentary action

• Auxiliary Contact Maximum Voltage Rating In Volts

  208.0 ac