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The proximity switch 490 with ATEX does not require contact and is triggered by a magnetic field or an Fe object. The device does not require a continuous air supply. A further advantage of the proximity switch is its compact dimensions. The ATEX version of pneumatic proximity switch 490 is certified for use in potentially explosive atmospheres where there is a risk of gas or dust explosion, zones 1 and 21 as well as for Mining (category M2).
Unit of Measure

Technical Specs

Brands

 N/A
Hengstler

Model

 N/A 490 Prox

Type

 N/A Counter

Operating Pressure

 N/A 2 to 6 bar

Quality of Air

 N/A Free of oil

Width of Filter Pores

 N/A < 40 µm

Operating Temperature

 N/A -15 to 60 ºC

Connection

 N/A Nipple plug for pipe of nominal size 3

Flow Rate

 N/A 40 L/min

Nominal Size

 N/A 2 mm

Repeatability of Operating Point (±)

 N/A 0.2 mm