Ransom & Randolph Vulcan 3-550
3-Stage Burnout Oven


Formerly Ney

High Performance Hybrid Muffle Technology for Faster Heating and Cooling than Full Firebrick Exclusive to Vulcan® Benchtop Furnaces

Cabinet Dimensions: 15.8″ w x 17″ d x 16″ h (25″ h with door open)
Muffle Dimensions: 9″ w x 9″ d x 7″ h (550 cubic inches)

SKU: RAN 5355740004 Category: Tag:


Three-stage digital programmable models have nine multi-stage programs, a hold temperature program, and a delay start option which allows a program’s start time to be delayed for up to seven days.

Each Vulcan is constructed with a heavy gauge steel cabinet finished with a durable baked enamel coating. The vertical lift door directs heat away from the operator and is standard for safety and space conservation. Each furnace comes with a 1-Year Limited Warranty.


  • High performance hybrid muffle

  • Longer life, more durable than fiber construction

  • Faster heating and cooling than full firebrick

  • Integrated door safety switch

  • Durable stainless steel front panel

  • Digital controller: nine multi-stage programs, rate, hold time, delay start, alarm, °F/°C operation


Wide Operating Temperature Range: 77-2012°F (25-1100°C)
Ambient Storage Temperature Range: 41-104°F (5+40°C)
Programmable Heat Rate: 1-54°F/min (1-30°C/min)
Programmable Hold Time: 0:00-99:59 hrs.
Muffle Temperature Uniformity: ±15°F (±8°C) at steady state
Operating Temperature (Ambient): 41-104°F (5-40°C)
Electrical: 50-60 Hz

Volts: 100-120V
Amps: 14.7-16.0 A
Watts: 1470-1920 W
Watts to Maintain 1832°F (1000°C) (Air Exchange setting at 0): 1050
Weight: Furnace: 45 lbs. (11 kg), Shipping: 60 lbs. (16 kg)


Muffle: 9″ w x 9″ d x 7″ h (550 cubic inches)

Cabinet: 15.8″ w x 17″ d x 16″ h (25″ h with door open)