Intrinsic Safety Barriers

General information

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.

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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 markedPart #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 markedPart #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 markedPart #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

- Each system features excitation, sense and signal barriers
- Available in an enclosure for external mounting or in a chassis mount version
- R Stahl® or equivalent barriers that are approved by Factory Mutual (FM)
Booklet Intrinsic Safety Barriers

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unnamed 2 2 fba0439c Intrinsic Safety Barriers

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Intrinsic Safety Barriers

Intrinsically Safe Barriers

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