สวิตช์ฉุกเฉินกันระเบิด

Description

สวิตช์ฉุกเฉินกันระเบิด

PAS emergency control stanchion

Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-1 or UL 60079-1
Marking for test : Ex II2G
Degree of Protection : IP66 acc.To IEC 60529
Ambient Temp. (Ta) : -20 C to+ 55 C
Type :PAS

Protection class for UL. :
Class I, Divition1 or 2 Group.C,D
Class II, Divition 1 or 2 Groups.E,F,G Mushroom-head push button, momentary contact.
Class III
Protection class for IEC : Zone1 and Zone 2
Conduit hub : 3/4 inch x 2 NPT. With Stopping Plug 3/4 inch x 1

Applications:
The PAS emergency control stanchions is used for installation at petroleum refineries, chemical plants, storage area where hazardous substances are handled. as Break-Glass fire alarm stanchion, in conjunction with audible and/or visible signaling devices.
Indoor or outdoor in damp, wet or corrosive locations.

Features:
– Compact rectangular shape enclosure.
– Three mounting lugs.
– Threaded cover with a glass window.
– Contact rating 3A. 220V.AC. (10A. Rated thermal current).
– Break the glass by hammer to operate push button itself.
– 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 coated.
– Stainless steel – Natural