1177 East Tower Road, Schaumburg, IL 60173

Tel: 847-884-6664

Fax: 847-884-6665

E-mail: sales@tocos.com

www.tocos.com

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Specifications

Electrical

Standard Resistance Range . . . . . . . . . . . B = 5

Ω to 20kΩ

A,C = 100

Ω to 5kΩ

Resistance Tolerance . . . . . . . . . . . . . . . . .

10% standard

(

5%,

2% or

1% special order )

End Resistance . . . . . . . . . . . . . . . . . . R ! 500

Ω =1Ω max.

R 0 500

Ω = 0.2% max.

Resistance Taper . . . . B = linear; A = CW audio (logarithm);

C = CCW audio (logarithm)

Power Rating . . . B = 2.5 watts; A,C = 1.25 watts, at

40 C

Insulation Resistance . . . . . . . 100M

Ω minimum at 500VDC

Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute

Theoretical Resolution

Mechanical

Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300

5

Shaft Torque

Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds

Marking . . . . . . . . . . Taper, resistance, resistance tolerance,

terminal identification, date code

Environmental

Temperature Range . . . . . . . . . . . . . . Y =

10 Cto

100 C

or X =

30 Cto

100 C

Temperature Characteristics . . . . . . . . . . .

85 C, 5 hours

without load

∆T/R ) 5%

Low Temperature Exposure . . . . . . .

10 C ( Y ),

30 C ( X )

1 hour without load

∆T/R ) 3%

Load Life . . . . . . . . . . . .

40 C, 1,000 hours with rated load

∆T/R ) 3%

Moisture and Load Life . . . . . . . . . . . .

40 C, 90-95%RH,

500 hours with 1/10 rated load

∆T/R ) 5%

Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,

2 directions, 2 hours each

∆T/R ) 1%

Soldering Heat Resistance . . . . . . . . . 350 C, 3.5 seconds;

∆T/R ) 2%

Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock

models only) with 1/2 rated load

∆T/R ) 3%

Standard Rotary Switches

Switch Rating . . . . . . . . . . 110VAC, 1A or 3A, SPDT or SPST

Contact Resistance . . . . . . . . . . . . . . . . . . . . . . 0.05

Ω max.

Operating Life . . . . . . . . . . . . . . . 10,000 cycles without load

R = Total Resistance Value;

∆T/R = Total Resistance Change

30mm Diameter, Single-Turn, Wirewound Industrial Panel Controls

P ANEL CONTROLS

Resistance (

Ω)

5

10

20

50

100

200

Resistance (

Ω)

500

1,000

2,000

5,000

10,000

20,000

Resolution ( % )

1.62

0.81

0.67

0.45

0.44

0.32

Resolution ( % )

0.23

0.19

0.15

0.14

0.12

0.10

Features

30mm diameter, single-turn industrial panel controls

Wirewound element

Linear or audio tapers

Single, tandem and triple units, single shaft; dual unit, dual shaft

SPST or SPDT switch with 1A or 3A rating

Shaft lock and center tap models

Metal shaft and bushing

Temperature range of

10 C or

30 C, up to

100 C

Panel mount only

6mm diameter shafts in slot, flat or round end styles

Standard 15mm or 20mm shaft length

RA30YME

RA30YD

RA30Y