B556-287

Technical Characteristics

• Overall Length

  1.570 inches nominal

• Pile-Up Main Contact Form Arrangement

  1a

• Overall Width

  1.000 inches nominal

• Nominal Thread Size

  0.125 inches single mounting facility

• Winding Dc Resistance Rating

  175.0 ohms nominal single winding

• Operating Voltage Rating And Type At Specified Temp

  18.0 volts teardrop, two holes type 4f single winding

• Winding Quantity

  1

• Mounting Facility Pattern

  diagonal single mounting facility

• Overall Height

  0.810 inches nominal

• Mounting Facility Type And Quantity

  2 threaded hole single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.437 inches nominal single mounting facility

• Coil Quantity

  1

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.375 inches nominal single mounting facility

• Thread Series Designator

  unc single mounting facility

• Terminal Type And Quantity

  4 pin all functions

• Thread Class

  2b single mounting facility

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes ac resistive load

• Duty Type

  continuous