Description
Isolating switch explosion proof 16A – 32A
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 : 400V.AC. 50/60Hz.
Electrical rating range : 16 – 32A. 3 Poles
Type : SIS
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 SIS isolating switches re suitable 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 connectb and disconnect operation in a specific hazardous atmospheres.
For manual disconnecting means of small AC or DC appliances.
For indoor or outdoor in damp, wet or corrosive locations.
Features:
– Enclosure in corrosion resistant copper-free aluminium alloy.
– Prevent entrance of moisture or liquid by neoprene gasket.
– Two mounting lugs.
– Through-feed conduit hub.
– ABB switches or equivalent.
Standard Materials:
– Body and cover – Copper-free aluminium
– Bolts and mechanism – Stainless steel
Standard Finishes:
– Copper-free aluminium – Epoxy-polyester powder
– Stainless steel – Natural
