A7AS Easy-to-Assemble Thumbwheel Switch
This document provides technical data for the Omron A7AS series of easy-to-assemble thumbwheel switches. Key features include dustproof construction and an integral hook coupler that allows units to be assembled without bolts or nuts.
The datasheet lists various part numbers based on output codes (decimal, binary) and mounting types, along with accessory options like end caps and spacers. It includes detailed electrical characteristics such as switching capacity and contact resistance, as well as mechanical specifications including operating force and service life.
| Switching capacity | 1 mA to 0.1 A 50 VAC/28 VDC (resistive load) |
|---|---|
| Carry current | 1 A(max.) |
| Contact resistance | 200 mQ max. |
| Operating force | 400 g max. |
| Ambient temperature (Operating) | -40° to 85°C |
| Mechanical service life | 1,000,000 operations (steps) min. |
The maximum operating force for these switches is 400 g.
This switch has a minimum service life of 1,000,000 mechanical operations.
The switch can operate in an ambient temperature range from -40° to 85°C.