Model 830

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Vishay Spectrol

Revision: 27-Mar-15

2

Document Number: 57073

For technical questions, contact: sferprecisionpot@vishay.com

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DIMENSIONS in inches (millimeters)

MECHANICAL SPECIFICATIONS

PARAMETER

Rotation

1080° +4° -0°

Bearing type

Sleeve bearing

Torque (maximums): starting



Section 1



Section 2

STARTING

1.75 oz. - in (126.02 g - cm)

2.55 oz. - in (183.62 g - cm)

RUNNING

1.26 oz. - in (90.01 g - cm)

1.85 oz. - in (133.21 g - cm)

Runouts (maximums)



Shaft (TIR)



Pilot dia. (TIR)



Lateral (TIR)



Shaft end play



Shaft radial play

0.002" (0.05 cm)

0.002" (0.05 cm)

0.005" (0.13 cm)

0.002" min. 0.010" max. (0.05 cm to 0.25 cm)

0.003" max. (0.08 cm)

Weight (maximums)



Single section



Additional section

3.0 oz. (85.05 g)

2.5 oz. (70.80 g)

Stop strength

750 oz. - in (static) (54.01 kg - cm)

Ganging

2 sections maximum ears of clamp band between sections positioned 45°, ± 10° CCW from terminal

center line

Moment inertia

5.5 g - cm2 maximum

0.218

(5.54)

± 0.015

0.562

(14.27)

Ø 0.125

(3.18)

MTG. FACE

0.812

(20.62)

± 0.031

0.312

(7.92)

0.030

MAX.

(0.76)

± 0.015

1.812

(46.02)

± 0.015

Ø 0.2497

(6.34)

+ 0.0000

- 0.0003

Ø 0.4062 MTG.

(10.32)

+ 0.0000

- 0.0020

0.062

(1.57)

0.010

(0.25)

0.062

(1.57)

0.250

MIN.

(6.35)

1.218

(30.94)

± 0.015

MODEL: 830/830-1...

ADD 1.010 ± 0.010 (25.65) FOR 2 GANG UNIT

3/

8 - 32 UNEF - 2A

1

2

3

1

TOLERANCES: OTHERWISE NOTED.

DECIMALS ± 0.005 ANGLES ± 2°

CW

SCHEMATIC

2

3

1

1