1.1 INTRODUCTION

A push-button or simply button is a simple switch mechanism for controlling some aspect of a machine or a process. Push buttons are typically made out of hard material, usually plastic or metal. The surface of push button is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.

1.2 USES

The "push-button" has been utilized in calculators, push-button telephones, kitchen appliances, and various other mechanical and electronic devices, home and commercial. In industrial and commercial applications, push buttons can be connected together by a mechanical linkage so that the act of pushing one button causes the other button to be released.

Specification

Operating Temperature (AB/AG) : -20~+55°c

Operating Humidity                       : 45~85%

Store Temperature                        : -45~+85°c

Store Humidity                               : Below 95%RH

Insulation Resistance                   : Over 100M (500V DC Megger)

Electrical Life                                 : 100,000 (Single Contact Point), 50,000 (Double Contact Point)

Degree of Protection

In Front Panel                                : IP65(IEC 60529)

Terminal                                         : IP20(IEC60529)

Dielectric Strength

Contact Block                                : 2,500VAC/Minutes

Indicator Light                               : 2,000VAC/Minutes

Vibration Resistance

Mal-Operation                                : 5~55Hz single amplitude 0.5mm

Durability                                        : 30Hz single amplitude 1.5mm

Shock Resistance

Mal-Operation                               : 100m/s²

Durability                                        : 1,000m/s²

Mechanical Life

Momentary                                    : 5,000,000 (single), 1,000,000 (Double)

Maintained                                    : 250,000 (Single), 100,000 (Double)

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