Ceramic unit without metal casing. The heating wire is located in several axially-parallel holes and is prevented from coming out by locked ends. The connections are on a plug-in head.
|Voltages||up to 440 V|
|Surface loading||22 W/cm²|
|Max. temperature (sheath)||650°|
|Diameter||26; 32 and 45,9 mm|
|Connections||Plug twins or twisted ends|
For heating gaseous media, e.g. for welding plastic.