Intrinsic Safety Barriers - Series 691A6x

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• Approved intrinsic safety barriers are required to uphold hazardous area use approval of industrial accelerometers by FM, CSA, Cenelec or Mine Safety & Health Administration.

• Intrinsic safety barriers utilize zener diodes to safeguard against electrical potential risks associated with powering ICP® accelerometers in hazardous, combustible environments. DIN rail mountable zener barrier modules are available separately or installed into NEMA-4X enclosures.

• Model 691A60 
  Single channel, intrinsically safe, zener barrier module with DIN rail mounting 

• Model 691A61 
  Composite NEMA-4X enclosure with DIN rail 
  Accommodates and available with up to 12 Model 691A60 zener barriers 
  7 x 7 x 6 inches 

• Model 691A62 
  Composite NEMA-4X enclosure with DIN rail 
  Accommodates and available with up to 24 Model 691A60 zener barriers 
  12.2 x 7.9 x 6.8 inches