R501-254

Technical Characteristics

• Case Material

  metal

• Overall Height

  3.875 inches maximum

• Time Delay

  0.01 seconds maximum fixed operate time

• Winding Dc Resistance Rating

  300.0 ohms nominal single winding

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Terminal Type And Quantity

  8 pin all functions

• Purpose For Which Designed

  general

• Coil Quantity

  1

• Unthreaded Mounting Hole Diameter

  0.210 inches nominal single mounting facility

• Duty Type

  continuous

• Mounting Facility Pattern

  in-line single mounting facility

• Overall Width

  2.875 inches maximum

• Fragility Factor

  moderately rugged

• Time Delay

  0.003 seconds maximum fixed release time

• Cubic Measure

  40.385 cubic inches

• Mounting Facility Type And Quantity

  2 unthreaded hole single mounting facility

• Storage Type

  general purpose warehouse

• Nonpile-Up Main Contact Arrangement

  2 pole, double throw, one position momentary

• Operating Voltage Rating And Type At Specified Temp

  26.5 volts dc 25 deg celsius single winding

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.250 inches nominal single mounting facility

• Environmental Protection

  hermetic

• Main Contact Load Current Rating At Maximum Rated Voltage

  1.0 amperes ac resistive load and 2.0 amperes dc resistive load

• Arc Quenching Method

  air

• Overall Length

  3.625 inches maximum

• Winding Quantity

  1