1.Snap Switch, ESN Series

Application

The ESN snap switches are designed

  • for disconnecting means of small AC or DC
    appliances or lighting circuits.
  • to prevent arcing of enclosed switches
    during connect and disconnect operation
    in zone 1, 2 and zone 21,22 hazardous areas.
TECHNICAL DATA
Hazardous Area Gas   Dust
Zones 1 & 2 22
Conforming to ATEX  Ex II 2G   Ex II 2D
Symbol of Protection ATEX Ex db IIB  Gb Ex tb  IIC Db
Symbol of Protection IEC
T Rating  T5 (Ta 40  o C ) NA
  T4 (Ta 55  o C )
Surface Temp. NA  T100  o C (Ta 40  o C)
     T135 o C (Ta 55  o C)
Standard ATEX Directive 2014/34/EU, std. EN 60079-0:2012, 
  EN 60079-1:2014, EN60079-31:2014
  IECEx Scheme, std. IEC 60079-0:2011, IEC 60079-1:2014,
  IEC 60079-31:2013  
Ambient Temperature -20  o C to +55  o C   
Index of Protection IP54  
     
Entries  Ø1/2”, Ø3/4” NPT or Ø1” NPT 
Mounting  Wall type  
SPECIFICATION
Body, cover  : Marine grade copper-free aluminium alloy
    with polyester powder coated, RAL 7032 (Grey)
Bolts  : Stainless steel
OPTION
CATALOGUE NUMBER AND DIMENSION