กล่องสวิทช์ควบคุมกันระเบิด

Description

กล่องสวิทช์ควบคุมกันระเบิด

Explosion proof pilot light and push button

Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-0/1 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 :PPBL

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 PPBL combination push buttons and pilot lights are suitable for use in hazardous areas due to the presence of flammable gases or vapors, combustible dusts or ignitible fibers. use in conjunction with magnetic starters or contactors for remote control of motors and also indicating the electrical function is being performed.
Indoor and corrosive locations.

Features:
– Compact rectangular shape enclosure.
– Two mounting lugs.
– Round shape operating button with guard.
– Contact rating 3A. 220V.AC. (10A. Rated thermal current).
– Incandescent lamp 6.3V. 1W. With transformer for 110V, 220V.AC. And Direct lamp for 12 – 24 V.DC. Supply.
– Brass guard to protect lamp bulb.
– 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
– Lamp’s guard – Brass

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

Options:
Silicone rubble for installation outdoor IP66 ( Type S )
Catalogue Nubmer: – Silicone rubber on cover pushbutton Type R for IP66