ST-123

Technical Characteristics

• Winding Dc Resistance Rating

  0.83 ohms nominal second winding

• Winding Dc Resistance Rating

  0.2 ohms nominal first winding

• Mounting Facility Type And Quantity

  4 slotted hole single mounting facility

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.812 inches nominal single mounting facility

• Winding Quantity

  2

• Coil Quantity

  2

• Nominal Operating Current Rating And Type

  49.0 amperes dc first winding and 55.0 amperes dc first winding

• Environmental Protection

  corrosion resistant and watertight

• Main Contact Load Current Rating At Maximum Rated Voltage

  200.0 amperes dc resistive load

• Terminal Type And Quantity

  6 pin all functions

• Special Features

  corrosion resistant

• Overall Length

  7.453 inches nominal

• Main Contact Maximum Voltage Rating In Volts

  12.0 dc

• Mounting Facility Pattern

  rectangular single mounting facility

• Mounting Slot Width

  0.281 inches nominal single mounting facility

• Overall Width

  4.438 inches nominal

• Operating Voltage Rating And Type At Specified Temp

  10.0 volts teardrop, two holes type 4f all windings

• Overall Height

  3.688 inches nominal

• Nominal Operating Current Rating And Type

  11.0 amperes dc second winding and 13.0 amperes dc second winding

• Duty Type

  intermittent

• Nonpile-Up Main Contact Arrangement

  1 pole, single throw, normally open, momentary action

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.750 inches nominal single mounting facility