สวิทช์ฉุกเฉินกันระเบิด

Description

สวิทช์ฉุกเฉินกันระเบิด

Explosion proof emergency push button

Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-1 or UL 60079-0/1
Marking for test : Ex II2G
Degree of Protection : IP65/66 acc.To IEC 60529
Ambient Temp. (Ta) : -20 C to+ 55 C
Type :PEM

Protection class for UL. :
Class I, Divition1 or 2 Group.C,D
Class II, Divition 1 or 2 Groups.E,F,G
Class III
Protection class for IEC : Zone1 and Zone 2
Conduit hub : 3/4 inch NPT

Applications:
The PEM emergency push buttons are used
– for hazardous areas due to the presence of flammable gases or vapors, combustible dusts or ignitible fibers.
– as emergency or normal STOP switch for conveyor lines, cranes, unloaders and similar equipment.
– in the control circuit of magnetic motor starters to shut down motor-driven conveyors of other machinery.
– for indoor and corrosive locations.

Features:
– Compact rectangular shape enclosure.
– Two mounting lugs.
– Large mushroom-head operating button.
– Contact rating 3A. 220V.AC. (10A. Rated thermal current).
– 3/4 inch NPT, dead-end or through-feed conduit hub
– Smooth and well-rounded conduit stop in each hub to protect conductor insulation.

Standard Materials:
– Body and cover – Copper-free aluminium
– Bolts and operating shaft – Stainless steel

Standard Finishes:
– Copper-free aluminium – Epoxy-polyester powder
– Stainless steel – Natural

Options:
– Silicone rubber on cover pushbutton Type S for IP66
– 1/2 inch NPT size conduit hub.
– Silicone rubble for outdoor IP66 ( Type S )
– Conduit hub : 3/4 inch NPT.