There are four different standard cartridge heaters available. They come in a variety of sizes and ratings and all work from cryogenic temperatures up to 500 deg C
ISIS Electronics Internal Link
Type
Diameter
Body Length
Rating
1
1/4” / 6.35mm
27mm
80V / 128W
2
1/8” / 3.18mm
50mm
100V / 100W
3
4
32mm
80V / 80W
Manufacturer's Website: http://www.watlow.com/products/heaters/cartridge-insertion-heaters/firerod-cartridge-heaters
