399-0182-S Staco Variac Knob
Variac Knob: 3PN221B and 3PN501B
ISE VARIAC
Quality for Over 75 Years.
Not an Inferior, Low Quality, Imported Imitation.
Used on Variac: 3PN221B and 3PN501B.
Knob
For 0.25" Diameter Shaft
Click to contact ISE with questions or models not listed. Custom units are available.