ซีเล็คเตอร์สวิทช์ มีกุญแจ กันระเบิด

Description

ซีเล็คเตอร์สวิทช์ มีกุญแจ กันระเบิด

Explosion proof key selector switch 2 positions

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 : IP66 acc.To IEC 60529 Features:
Ambient Temp. (Ta) : -20 C to+ 55 C Temp.class T6
Type :SSL

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

Applications:
The SSL key selector switches 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 to remote control of motors.
– circuit control selection by key operator. coated.
– indoor and corrosive locations.

Features:
– Compact rectanular shape enclosure.
– Two mounting lugs.
– Two or three positions in switching.
– Contact rating 3A. 220V.AC. (10A.Rated thermal current).
– Key operated for special purpose control (2keys supp;ied).
– 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