Intrinsic Safety Barriers
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 # | Voltage Range | Nominal Resistance | Open Circuit Voltage | Short Circuit Current |
Classifications |
|---|---|---|---|---|---|
| 31201: + Excitation 9001/01-158-390-101 |
+12 VDC | 55 ohm | 15.8 VDC | 390 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 31202: ± Excitation 9002/10-187-270-001 |
±6 VDC | 46 ohm | 9.3 VDC | 270 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 31540: + Excitation 9001/01-083-442-101 |
+6 VDC | 26 ohm | 8.3 VDC | 442 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 199867: + Sense 9001/01-086-075-101 |
+6 VDC | 129 ohm | 8.6 VDC | 41 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 30263: ± Signal 9002/77-093-040-001 |
±6 VDC | 519 ohm | 9.3 VDC | 20 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 31542: RS-232 9002/77-093-300-001 |
±6 VDC | 76.6 ohm | 9.3 VDC | 150 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 30264: ± Sense 9002/10-187-020-001 |
±6 VDC | 516.5 ohm | 9.33 VDC | 20 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 30266: - Excitation 9001/00-086-390-101 |
-6 VDC | 30 ohm | 8.6 VDC | 390 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 69491: - Excitation 9001/02-016-150-111 |
±0.7 VDC | 20 ohm | 1.64 VDC | 150 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 69492: + Sense 9001/01-168-020-101 |
+12 VDC | 918 ohm | 16.8 VDC | 20 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 69493: - Sense 9001/02-016-015-101 |
±0.7 VDC | 127 ohm | 1.64 VDC | 15 mA | FM approved, UL listed, CSA certified, SA, CE marked |
| 72521: + Excitation 9001/01-199-390-101 |
+16 VDC | 67 ohm | 19.9 VDC | 390 mA | FM approved, CSA certified, CE marked |
| 30265: + Excitation 9001/01-086-390-101 |
+6 VDC | 30 ohm | 8.6 VDC | 390 mA | FM approved, CSA certified, CE marked |
| 221779: + Excitation Barrier, Z713 |
+13.7 VDC | 22 ohm | 15.75 VDC | 160 mA | FM Approved, cULus, ATEX, IECEX |
| 221663: - Excitation Barrier, Z813 |
-13.7 VDC | 22 ohm | 15.75 VDC | 160 mA | FM Approved, cULus, ATEX, IECEX |
| 221662: ± EX Barrier, Z966 |
±10 VDC | 166 ohm | 12 VDC | 50 mA | FM Approved, cULus, ATEX, IECEX |
| 221660: ± Signal Barrier, Z961 |
±6.5 VDC | 100 ohm | 8.7 VDC | 100 mA | FM Approved, cULus, ATEX, IECEX |
| 221661: ± Sense Barrier, Z964 |
±10 VDC | 1000 ohm | 12 VDC | 50 mA | FM Approved, cULus, ATEX, IECEX |
Parts
| Part # | Description |
|---|---|
| R Stahl Barriers #1: For models with ± 5 Volt excitation (10 volt) | |
| 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 |
| 109663 | Barrier Set, Uncased Uncased barrier kit #1 |
| Barrier Kit #2: (For models with + 10 Volt excitation) | |
| 31201 | Barrier, IS Load Cell + Excitation 9001/01-158-390-101 |
| 69491 | Barrier, IS Load Cell -Excitation 9001/02-016-150-111 |
| 69492 | Barrier,IS Load Cell +Sense 9001/01-168-020-10 |
| 69493 | Barrier, IS Load Cell -Sense 9001/02-016-015-101 |
| 30263 | Barrier, IS Load Cell +/-Signal 9002/77-093-040-001 |
| Barrier Kit #3: (For models with + 5 Volt excitation) | |
| 31540 | Barrier, IS Load Cell +Excitation 9001/01-083-442-101 |
| 69491 | Barrier, IS Load Cell -Excitation 9001/02-016-150-111 |
| 30263 | Barrier, IS Load Cell +/-Signal 9002/77-093-040-001 |
| 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: | |
| 30266 | Barrier, IS Load Cell -Excitation 9001/00-086-390-10 Single Channel. |
| 30265 | Barrier, IS Load Cell +Excitation 9001/01-086-390-10 Single Channel. |
| 72521 | Barrier,IS Load Cell +Excitation 9001/01-199-390-10 |
| 197643 | Barrier,Dual Channel RS-422 Stahl 9002/22-032-300-111 |
| 31542 | Barrier,Dual Channel 9002/77-093-300-001, RS232 |
| 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 |
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