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Harmony XB4Ex explosion-proof button

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Harmony XB4Ex explosion-proof button

Product Description

Harmony XB4Ex Metal series pushbuttons and indicator lights, modular structure, special sealing design, suitable for potentially explosive environments, preventing the generation of ignition sources.

As Ex components, it is not recommended to use them alone; they must be used with explosion-proof boxes or cabinets.

Product Application

This series includes two main categories, suitable for different explosive environments:

EX series, suitable for flammable dust environments:

Compliant with European 2014/34/EU directives, applicable range 21/22 zones

Compliant with standards IEC 60079 ，applicable range 21/22 zones

Compliant with standards GB 12476 ，applicable range 21/22 zones

GEX series, suitable for flammable dust + explosive gas environments:

Compliant with European 2014/34/EU directives, applicable range 1/2/21/22 zones

Compliant with standards IEC 60079 ，applicable range 1/2/21/22 zones

Compliant with standards GB 3836 、 GB 12476 ，applicable range 1/2/21/22/ zones

Compliant with standards UL 60079 ，applicable range 1/2/21/22 zones

Compliant with standards NEC 500 ，applicable range Class 1 Div 2 、 Class 2 Div 2 ＆ Class 3

This series includes a variety of functions:

EX Series, suitable for flammable dust environments: Reset buttons, illuminated reset buttons, selector switches, key switches, emergency stop buttons and indicator lights 。

GEX series, suitable for flammable dust + Explosive gas environments: Reset buttons, illuminated reset buttons, selector switches, key switches, emergency stop buttons, indicator lights, contact modules, indicator light modules.

Harmony XPE foot switch

XA2 series plastic buttons

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