The PCN 142594 strip heater is also known as model NS-5403 with these features: 240 volts, 3000 watts, and a 34 watt per sq. inch density, The overall heater length is A= 54 inches, and the heated length is B= 50.38 inches. The overall width of this heater is 3/4", and the height with the attached terminal block is 3/4". The strip heater thickness is 5/16" with a one-piece Incoloy sheath enclosing the ceramic and internal heater coil. This strip heater's sheath material is designed to handle up to 1400°F. This Chromalox standard strip heater usually ships in 18 or less business days.