Intrinsically Safe Power Supplies

 The 9460-ET Series delivers Intrinsically Safe “Power over Ethernet” (PoEx) with a single Cat 5e or Cat 6 cable, allowing live connection and disconnection of the end device in Zone 0 or Zone 1.

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The 949x-PS range of MTL intrinsically safe (IS) isolated power supplies are ideal for providing power to instrumentation in hazardous process areas. They offer a wide range of different IS output voltages, ranging from 4.8V – 17.7V, offering flexibility of options to best suit a variety of applications. The 9492-PS-PLUS is the preferred method for supplying the 946x-ET range of MTL IS Ethernet devices to provide direct power or IS Power over Ethernet (PoExTM), a method which allows a single cable to provide both the data connection and electrical power to devices, in turn, reducing installation costs.

  • Wide range of output voltages 4.8V – 17.7V
  • Wide operating temperature range of -40 ̊C to +70 ̊C for 9492-PS-PLUS and 9493-PS-xxx
  • Zone 2 mountable
  • DIN-rail or backplane mounting
  • ATEX / IECEx certified

Additionally, the 9491-PS is FM and FMC approved for installation in Class 1 Division 2 hazardous locations with the Ex ia output certified for connection into Class 1 Division 1 Groups C, D hazardous locations. The 9493-PS-xxx provides versions for connections into both Gas Group IIB and Gas Group IIC hazardous areas.

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Symbol denotes that the equipment is suitable for use in hazardous area applications.
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Symbol denotes that the product has been assessed for functional safety applications

9491-PS   IS power supply Ex ia/ib IIB, Uo 12.4V Datasheet  Manual 
9492-PS-PLUS   IS power supply Ex ia/ib IIB, Uo 12.8V Datasheet  Manual 
9493-PS-XXX   IS power supplies Ex ia IIB or IIC, Uo 5.4 to 18V Datasheet  Manual