Spectra RMS Molded Case Circuit Breakers (SE150, SF250, SG600 and SK1200) have a Digital Solid State RMS Sensing Trip System with Field installable Front-Mounted Rating Plugs to Establish or Change the Breaker Ampere Rating; Adjustable Instantaneous with Tracking Short-Time is Standard on All Frames; The Trip System Uses Digital Sampling to Determine the RMS Value of Sinusoidal and Non-Sinusoidal Currents

Specifications:

Type: Electronic Trip
Voltage Rating: 120/240/277/480/600 VAC
Maximum AC Voltage Rating: 600 V
Current Rating: 125/150/175/200/225/250/300/350/400 Ampere
Number of Poles: 3
Interrupting Rating: 25 Kiloampere at 600 VAC, 35 Kiloampere at 277/480 VAC, 65 Kiloampere at 120/(120/240)/240 VAC
Size: 5.5 Inch W x 3.81 Inch D x 10.09 Inch H
Approval: UL, CSA