Thumb Wheel / Push wheel Switches - Series SL 82
OVERVIEW
Integral Type SL-82 Series Thumb Wheel Switches are slim compact switches of high quality used in a wide variety of applications in Instrumentation, Machine Controls, Process Controls, etc.
The switches are fixed from front of the panel, and are snap-mounted without the aid of screws. Snap-up design between sections also eliminates screws for fixing the sections together and virtually unlimited number of sections can be latched together.
The switches are available with an extensive range of output codes, and have large sized digits hot-stamped for good visibility. Modules like Dummy, Projected Dummy are available for separating various sections functionally if needed.
The above design makes it possible to alter an assembly consisting of sections by the customer at the site itself. The switches can be ordered either as complete assemblies or individual modules with sides separately.
SPECIFICATIONS
| CONTACT RATING : | Switching 125mA max. Carrying : 1 Amp continuous |
| OPERATING VOLTAGE : | 50mV to 28V DC or 120V AC. |
| CONTACT RESISTANCE : | Less than 150 milli ohms Initial @ 2-6V DC, 100mA. |
| INSULATION RESISTANCE : | 1000 Megohms min. |
| DIELECTRIC STRENGTH : | 750V RMS min @ sea level |
| ELECTRICAL LIFE : | 100,000 detent operations |
| OPERATING TEMP : | -25deg C to +70deg C |
| NO. OF POSITIONS : | 10 (stops available) |
MATERIALS & FINISHES
| BODY, WHEEL AND CAM : | Engineering Thermoplastics (Polycarbonate/ABS/Poly acetal) |
| WIPER CONTACT : | Hard Gold over Nickel on Copper Alloy |
| STATOR CONTACT : | Hard Gold over Nickel over Copper on Glass Epoxy laminated sheet to Nema FR4. |
| HARDWARE : | Steel, Zinc plated |
| DETENT SPRING : | Stainless steel wire |
| SIZE OF CHARACTER ON THE WHEEL : | 10 positions - 5 mm (Consult factory for non-standard printing). |
Please Refer the Datasheet for further information.
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