Intrinsic Safety Barriers

As of: Thursday, November 21, 2024

Standard Features

Each system features excitation, sense and signal barriers
Available in an enclosure for external mounting or in a chassis mount version
R Stahl® and Pepperl&Fuchs barriers that are approved by Factory Mutual (FM)

Intrinsically Safe Barriers

Install these barriers in your safe area to limit the current to the hazardous environment, and insure voltage remains at an intrinsically safe level.

Intrinsic Safety Barriers Specifications

Part #31201:
+ Excitation 9001/01-158-390-101
Voltage Range:
+12 VDC
Internal Resistance:
55 ohm
Open Circuit Voltage:
15.7 VDC
Short Circuit Current:
390 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #31202:
± Excitation 9002/10-187-270-001
Voltage Range:
±6 VDC
Internal Resistance:
46 ohm
Open Circuit Voltage:
18.7 VDC
Short Circuit Current:
278.8 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #31540:
+ Excitation 9001/01-083-442-10
Voltage Range:
+6 VDC
Internal Resistance:
48 ohm
Open Circuit Voltage:
8.4 VDC
Short Circuit Current:
442 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #70724:
+ Sense 9001/01-086-020-101
Voltage Range:
+6 VDC
Internal Resistance:
470 ohm
Open Circuit Voltage:
8.6 VDC
Short Circuit Current:
18.3 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #30263:
± Signal 9002/77-093-040-001
Voltage Range:
±6 VDC
Internal Resistance:
482 ohm
Open Circuit Voltage:
9.6 VDC
Short Circuit Current:
40.9 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #31542:
RS-232 9002/22-093-300-001
Voltage Range:
±6 VDC
Internal Resistance:
75.8 ohm
Open Circuit Voltage:
9.6 VDC
Short Circuit Current:
297.5 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #30264:
± Sense 9002/10-187-020-001
Voltage Range:
±6 VDC
Internal Resistance:
482 ohm
Open Circuit Voltage:
18.7 VDC
Short Circuit Current:
22 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #30266:
- Excitation 9001/00-086-390-101
Voltage Range:
-0.6 VDC
Internal Resistance:
30 ohm
Open Circuit Voltage:
8.6 VDC
Short Circuit Current:
377.6 mA
Classifications:
FM approved

Part #69491:
- Excitation 9001/02-016-150-111
Voltage Range:
±0.7 VDC
Internal Resistance:
12.8 ohm
Open Circuit Voltage:
1.64 VDC
Short Circuit Current:
127.4 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #69492:
+ Sense 9001/01-168-020-101
Voltage Range:
±12 VDC
Internal Resistance:
898 ohm
Open Circuit Voltage:
16.8 VDC
Short Circuit Current:
18.7 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #69493:
- Sense 9001/02-016-015-101
Voltage Range:
+0.7 VDC
Internal Resistance:
127 ohm
Open Circuit Voltage:
1.64 VDC
Short Circuit Current:
13.7 mA
Classifications:
FM approved, UL listed,
CSA certified, SA, CE marked

Part #72521:
- Excitation 9001/01-199-390-101
Voltage Range:
+16 VDC
Internal Resistance:
67 ohm
Open Circuit Voltage:
-19.9 VDC
Short Circuit Current:
382.7 mA
Classifications:
FM approved, CSA-certified,
CE marked

Part #30265:
+ Excitation 9001/01-086-390-101
Voltage Range:
+6 VDC
Internal Resistance:
30 ohm
Open Circuit Voltage:
8.6 VDC
Short Circuit Current:
377.6 mA
Classifications:
FM approved

Parts

Part #	Description
Stahl Barriers #1: For models with ± 5 Volt excitation (10 volt)
109663	Barrier Set, Uncased Uncased barrier kit #1
31202	Barrier, IS Dual Channel +/-Excitation or 4-20 mA CL 9002/10-187-270-001
30264	Barrier, IS Load Cell +/-Sense 9002/10-187-020-001
30263	Barrier, IS Load Cell +/-Signal 9002/77-093-040-001
Barrier Kit #2: (For models with + 10 Volt excitation)
69493	Barrier, IS Load Cell -Sense 9001/02-016-015-101
30263	Barrier, IS Load Cell +/-Signal 9002/77-093-040-001
69491	Barrier, IS Load Cell -Excitation 9001/02-016-150-111
69492	Barrier,IS Load Cell +Sense 9001/01-168-020-10
31201	Barrier, IS Load Cell + Excitation 9001/01-158-390-101
Barrier Kit #3: (For models with + 5 Volt excitation)
69491	Barrier, IS Load Cell -Excitation 9001/02-016-150-111
30263	Barrier, IS Load Cell +/-Signal 9002/77-093-040-001
31540	Barrier, IS Load Cell +Excitation 9001/01-083-442-101
If sense leads are for the above, use the following:
199867	Barrier, IS Load Cell + Sense, 9001/01-086-075-101 Single Channel
69493	Barrier, IS Load Cell -Sense 9001/02-016-015-101
Miscellaneous Barriers:
30265	Barrier, IS Load Cell +Excitation 9001/01-086-390-10 Single Channel.
30266	Barrier, IS Load Cell -Excitation 9001/00-086-390-10 Single Channel.
31542	Barrier,Dual Channel 9002/77-093-300-001, RS232
72521	Barrier,IS Load Cell +Excitation 9001/01-199-390-10
197643	Barrier,Dual Channel RS-422 Stahl 9002/22-032-300-111
Pepprl-Fuchs Barrier Kit #1 for multiple load cell applications:
221779	Barrier, Z713 +Excitation Pepperl-Fuchs high power excitation barrier
221663	Barrier, Z813 -Excitation Pepperl-Fuchs high power excitation barrier
221661	Barrier, Z964 +/- Sense Pepperl-Fuchs sense barrier
221660	Barrier, Z961 +/- Signal Pepperl-Fuchs signal barrier
Pepprl-Fuchs Barrier Kit #2 for single load cell applications:
221662	Barrier, Z966 +/- EX Pepperl-Fuchs excitation barrier
221661	Barrier, Z964 +/- Sense Pepperl-Fuchs sense barrier
221660	Barrier, Z961 +/- Signal Pepperl-Fuchs signal barrier

Options

Part #	Description

33531	Rail,DIN 6" Length 35mm Width x 7.5mm High
35815	LIT, Manual IS Barrier Instruction Sheet
110424	Enclosure Assy,IS Barrier FRP Enclosure, Din Rail, 2 Cord Grips Grounding Material * Barriers Not Included *
22828	Terminal Block,Grounding Universal DIN Rail Mounted
42219	Fuse,IS Barrier 160mA for Stahl barriers
208123	Isolator, Barrier Mount Din Rail Mounting Clips To Isolate Ground