Description
Snap switch explosion proof 30A
Snap switch explosion proof 30A
Technical data
Type of Protection: Ex d IIA T6
Conforming to : Standards IEC 60079-0 /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
Rated Voltage : 220-240V.AC. 50/60Hz.
Electrical rating range : 5- 30A. 2 Poles
Type :SMN
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
Applications:
The SMN snap switches are designed
For use in hazardous areas due to the presence of flammable gases or vapors,combustible dusts or ignitible fibers.
To prevent arcing of enclosed switches during connect and disconnect operation in a specific hazardous atmospheres.
For disconnecting means of small AC or DC appliances or lihgting circuits.
For indoor or outdoor in damp, wet or corrosive locations.
Features:
– Compact rectangular shape enclosure.
– Two mounting lugs.
– Dead-end or through-feed conduit hub.
– Two mounting lugs
– Safety breaker switch for automatically shut down the circuit in the event of an overcurrent or short circuit current.
– Switch can be locked in ‘ON’ or ‘OFF’ position.
– Single gang , two gang or three gangs on request.
Standard Materials:
– Body, cover and operating handle – Copper-free aluminium
– Bolts and mechanism – Stainless steel
Standard Finishes:
– Copper-free aluminium – Epoxy-polyester powder
– Stainless steel – Natural
