Jennings UCSL-1000-3S


glass vacuum variable capacitor

6 in stock

Rated Capacitance 7-1000 pf
Peak Voltage 3 KV
Current Amps (RMS) Maximum 42 amps
Shaft Diameter 1/2 inch
Turns for Full Travel Max 15
Important Dimensions
Max Length 7.75 in / 196.85 mm (including shaft)
Max Diameter 3.06 in / 77.79 mm
Weight 30.50 oz / 864.66 g
FM2 Flange needed for front end mounting and FM1C Flange needed for rear end mounting. (Available at additional cost) See our flange page: Vacuum Capacitor Flanges
Condition Brand New, Unused, in factory boxes
(Other variations of this capacitor are sometimes available, inquire)
UCSL-750-3S UCSL-1000-3S
UCSL-750-5S UCSL-1000-5S

Additional information

Weight 30.50 oz
Dimensions 11.06 x 11.06 x 15.75 in


Min Capacitance

Max Capacitance


3 KV

Current Rating

42 Amps

Shaft Diameter

1/2" OD Shaft



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