B31815

Technical Characteristics

• Winding Dc Resistance Rating

  270.0 ohms nominal third winding

• Main Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes dc resistive load

• Time Delay

  0.026 seconds maximum fixed operate and release time

• Winding Dc Resistance Rating

  270.0 ohms nominal second winding

• Nonpile-Up Main Contact Arrangement

  4 pole, double throw, one position momentary

• Mounting Facility Type And Quantity

  4 threaded hole single mounting facility

• Overall Length

  2.312 inches maximum

• Coil Quantity

  3

• Overall Width

  1.786 inches maximum

• Terminal Type And Quantity

  18 pin all functions

• Environmental Protection

  hermetic

• Nominal Thread Size

  0.112 inches single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Winding Dc Resistance Rating

  2.25 kilohms nominal first winding

• Overall Height

  0.844 inches maximum

• Duty Type

  continuous

• Winding Quantity

  3

• Features Provided

  latching contacts

• Thread Class

  2b single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  0.750 inches nominal single mounting facility

• Thread Series Designator

  unc single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.547 inches nominal single mounting facility

• Main Contact Maximum Voltage Rating In Volts

  28.0 dc

• Operating Voltage Rating And Type At Specified Temp

  28.0 volts teardrop, two holes type 4f all windings