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Notes:
1. The associated intrinsically safe barriers or galvanic isolators must be FM approved and the
manufacturers' installation drawings must be followed when installing this equipment.
2. The unclassified location equipment connected to the associated intrinsically safe barriers
must not use or generate more than 250V rms or 250V dc.
3. Installation should be in accordance with ANSI/ISA RP 12.06.01 "Installation of Intrinsically
Safe Systems for Hazardous (Classified) Locations" and the National Electrical Code
ANSI/NFPA 70.
4. One single channel or one channel of a dual channel barrier or galvanic isolator
with entity parameters complying with the following requirements:
Uo or Vt equal to or less than Ui
Io or It equal to or less than Ii
Po equal to or less than Pi
La equal to or greater than Li
Ca equal to or greater than Ci
5. Hazardous (classified) location equipment complying with the requirements of note 4 and
the input parameters listed on Sheets 1 and 2 for Terminals 3 and 4, and 5 and 6, or
simple apparatus.
6. Simple apparatus or FM approved associated apparatus with contacts having entity
parameters complying with the following requirements:
Uo or Vt equal to or less than Ui
Io or It equal to or less than Ii
La equal to or greater than Li
Ca equal to or greater than Ci
7. To maintain NEMA 4X between the BA338C and the mounting panel:
Four panel mounting clips should be used
Minimum panel thickness should be 2mm (0.08inches) Steel
3mm (0.12inches) Aluminium
Outside panel finish should be smooth, free from particle inclusions, runs or
build-up around cut-out.
Panel cut-out should be 66.2 x 136.0mm -0.0 +0.5
(2.60 x 5.35 inches -0.00 +0.02)
Edges of panel cut-out should be deburred and clean
Each panel mounting clip should be tighened to between: 20 and 22cNm (1.77 to 1.95 inLb)
Cont.
Summary of Contents for BA334D
Page 12: ...12 Fig 7 Dimensions and terminal connections ...
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