Switches suit hazardous duties
A
Delta Controls product story
Edited by the Engineeringtalk editorial team
Feb 1, 2006
Available now from Delta Controls the Industrial Series - Category 1/2 switch is billed as an aggressively priced, high-quality and low-risk choice.
Available now from Delta Controls the Industrial Series - Category 1/2 switch is billed as an aggressively priced, high-quality and low-risk choice.
Category 1 is for use in Zone 0 applications - in which an explosive gas-air mixture is continually present, or present for long periods of time.
Category 2 is for use in Zone 1 and 2 applications - in which an explosive gas-air mixture may occur under normal conditions.
EN50284 sets the rules for design and dual marking so the Zone 1/Category 2 switch can operate connected to a tank of flammable liquid (Zone 0/ Category 1).
The Category 1/2 is only available with welded diaphragm options.
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