Purdy Q-Series Thumbwheel Switch - Manual

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 4/4/05
Q Series
FEATURES
• Compact design, substantial space saving
• Simple assembly
• CE approved types
The essential features of the thumb-wheel 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.
Product specifications contained herein may be
changed without prior notice. It is therefore
advisable to contact Purdy Electronics before
proceeding with the design of equipment
incorporating this product.
SPECIFICATIONS
Rates current (resistive load) 100 mA AC/DC
Max. current carrying capacity 2 A AC/DC
Max. working voltage max. 50 V AC/DC
Test voltage 500 V DC
Insulation voltage (to frontpanel) 1000 V AC/DC
Insulation resistance (+20°C)
10
5
MOhm
Contact resistance (ind. PCB) 100 MOhm
Servicelife (switch operations at 50V/0.1 A)
min. 10
5
Permissible ambient temperature -40° ... +85°C
10 positions Yes Direct solder connections Yes
16 positions No Edge connections Yes
Decimal Yes Solder pins Yes
Binary No Wire wrap pins Yes
Binary + Complement Yes Rear mounting Yes
PCB for diode mounting Yes
Interswitch Thumbwheel Switches