C-21L

Technical Characteristics

• Nonpile-Up Auxiliary Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Overall Width

  2.310 inches maximum

• Duty Type

  continuous

• Time Delay

  0.02 seconds maximum fixed release time

• Overall Height

  2.580 inches maximum

• Main Contact Maximum Voltage Rating In Volts

  440.0 ac

• Time Delay

  0.035 seconds maximum fixed operate time

• Winding Dc Resistance Rating

  90.0 ohms nominal single winding

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Terminal Type And Quantity

  10 threaded stud all functions

• Mounting Facility Pattern

  rectangular single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.875 inches nominal single mounting facility

• Auxiliary Contact Maximum Voltage Rating In Volts

  115.0 ac and 28.0 dc

• Winding Quantity

  1

• Operating Voltage Rating And Type At Specified Temp

  24.0 volts teardrop, two holes type 4f single winding

• Unthreaded Mounting Hole Diameter

  0.171 inches nominal single mounting facility

• Features Provided

  polarized

• Overall Length

  2.310 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.875 inches nominal single mounting facility

• Nonpile-Up Main Contact Arrangement

  3 pole, single throw, normally open, momentary action

• Main Contact Load Current Rating At Maximum Rated Voltage

  7.5 amperes ac resistive load

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  3.0 amperes ac resistive load and 3.0 amperes dc resistive load

• Coil Quantity

  1