3PN-SK Staco Variac Knob Stop Kit

Same Day Shipment. One or two stop kits can be installed under the knob to limit output voltage setting. Two kits are required if both high and low settings are to be limited.

Click to contact ISE with questions or models not listed.  Custom units are available.

ISE VARIAC®

Quality for Over 75 Years.
Not an Inferior, Low Quality, Imported Imitation.