B-394

Technical Characteristics

• Features Provided

  polarized

• Unthreaded Mounting Hole Diameter

  0.218 inches nominal single mounting facility

• Terminal Type And Quantity

  9 threaded stud all functions

• Winding Dc Resistance Rating

  48.5 ohms nominal single winding

• Main Contact Maximum Voltage Rating In Volts

  115.0 ac

• Coil Quantity

  1

• Auxiliary Contact Maximum Voltage Rating In Volts

  28.0 dc

• Overall Height

  4.375 inches maximum

• Time Delay

  0.025 seconds maximum fixed operate and release time

• Environmental Protection

  dustproof

• Main Contact Load Current Rating At Maximum Rated Voltage

  175.0 amperes ac motor load

• Mounting Facility Type And Quantity

  4 unthreaded hole single mounting facility

• Mounting Facility Pattern

  rectangular single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Width

  3.812 inches nominal single mounting facility

• Nonpile-Up Auxiliary Contact Arrangement

  6 pole, single throw, normally open, momentary action and 6 pole, single throw, normally closed, momentary action

• Center To Center Distance Between Mounting Facilities Parallel To Length

  4.750 inches nominal single mounting facility

• Operating Voltage Rating And Type At Specified Temp

  18.0 volts teardrop, two holes type 4f single winding

• Winding Quantity

  1

• Main Contact Load Current Rating At Maximum Rated Voltage

  250.0 amperes ac resistive load

• Auxiliary Contact Load Current Rating At Maximum Rated Voltage

  2.0 amperes dc lamp load

• Overall Length

  5.560 inches maximum

• Overall Width

  4.620 inches maximum

• Nonpile-Up Main Contact Arrangement

  3 pole, double throw, one position momentary

• Duty Type

  continuous