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Model: ARL-BR-IS-PWR
1-Channel Barrier
Entity Parameters
Ch 1
V = U = 4.935V
oc
o
I = I = 1.70A
sc
o
P = 760mW
o
C = C = 100uF
a
o
L = L = 12.3uH
a
o
Ch 2, 10 - Ground
HAZARDOUS AREA
UNCLASSIFIED AREA
OVERVIEW
The following wiring diagrams illustrate the connectivity of each model
of the ARL-BR-IS Series of Safety Barriers. The models demonstrated are:
(a) ARL-BR-IS-PWR (1-channel)
(b) ARL-BR-IS-RS (2-channel)
(c) ARL-BR-IS-PWR-RS (3-channel)
(d) ARL-BR-IS-LC (4-channel)
(e) ARL-BR-IS-PWR-LC (5-channel)
The Entity Concept stated below as well the Hazardous Area Approvals
apply to all models listed here.
9
10
1
2
ARL-BR-IS-PWR
INTRINSICALLY SAFE BARRIER
J1
J3
0V
(a)
Associated or
Non-Hazardous
Location
Apparatus
Hazardous
Location
Apparatus
ENTITY CONCEPT (ALL SHEETS)
The Entity Concept allows interconnection of intrinsically safe apparatus with
associated apparatus when the following is true:
Vmax (or Ui)
≥
Voc, Vt, or Uo
Imax (or Ii)
≥
Isc, It or Io (*Combined Isc, It or Io for ALL BARRIERS
≤
Imax)
Po
≤
Pi
Ca (or Co)
≥
Ci + Ccable
La (or Lo)
≥
Li + Lcable
HAZARDOUS AREA APPROVALS
This system, when installed in accordance with this document, has
been approved by Factory Mutual for use in the following classified
areas:
Associated intrinsically safe apparatus providing connections for
Class I, II, III, Division 1, Groups A, B, C, D, E, F and G
Class I, Zone 0, Aex ia IIC Ga
Associated non-incendive apparatus providing connections for
Class I, II, III Division 2, Groups A, B, C, D, F, and G
Hazardous (Classified) Locations
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INFORMATION AND SHOULD NOT BE USED
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COPYRIGHT © 2019, ALL RIGHTS RESERVED
DRAWN
MMK
TITLE
ARL-BR-IS SERIES SAFETY BARRIERS
INSTALLATION AND WIRING DIAGRAM
CHECKED
MMK
DRG NO
DOC 5213
SHEET
1 of 4
THIS IS A FACTORY MUTUAL DOCUMENT. NO MODIFICATIONS OR REVISIONS ARE
ALLOWED WITHOUT PRIOR APPROVAL FROM FACTORY MUTUAL.
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