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Purdy B-Series Thumbwheel Switch User Manual

B series

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Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

1

Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com

4/3/05

B Series

FEATURES

Compact design, substantial space saving

Simple assembly

CE approved types

The essential features of the thumbwheel switch
are its high reliability, precision and contact en-
durance.

Interswitch thumbwheel switches are used in
machine tool control systems, measurement and
test units, control and regulation systems, com-
puter systems, sound and vision control systems,
telecommunications, medical measurement sys-
tems, etc.

SPECIFICATIONS

Rates current (resistive load)

1-100 mA AC/DC

Max. current carrying capacity

1 A AC/DC

Max. working voltage

max. 42 V AC/DC

Test voltage

500 V DC

Insulation resistance (+20°C)

10

5

MOhm

Contact resistance (ind. PCB)

100 MOhm

Servicelife (switch operations)

min. 10

5

Permissible ambient temp.

-25° ... +70°C

10 positions

Yes

Direct solder connections

Yes

16 positions

Yes

Edge connections

Yes

Decimal

Yes

Solder pins

Yes

Binary

Yes

Wire wrap pins

Yes

Binary + Complement

Yes

Front mounting

Yes

PCB for diode mounting

Yes

Ganged switches

Yes

Interswitch Thumbwheel Switches

This manual is related to the following products: