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Rice Lake Intrinsic Safety Barriers are designed to limit electrical energy in hazardous areas, preventing sparks or excessive heat that could lead to ignition. These barriers ensure safe and compliant operation in environments where flammable gases, vapors, or dust are present.
Each barrier controls voltage and current levels to maintain intrinsic safety, making them ideal for process automation, industrial weighing, and hazardous location control panels. Rice Lake offers multiple part numbers with different voltage ranges and internal resistances, ensuring compatibility with a variety of applications.
| Part Number | Function | Model | Voltage Range | Internal Resistance | Open Circuit Voltage | Ā Ā | Short Circuit Current | Certifications |
|---|---|---|---|---|---|---|---|---|
| 31201 | Excitation | 9001/01-158-390-101 | +12 VDC | 55 ohm | 15.7 VDC | 390 mA | FM, UL, CSA, SA, CE | |
| 31202 | Excitation | 9002/10-187-270-001 | Ā±6 VDC | 46 ohm | 18.7 VDC | 278.8 mA | FM, UL, CSA, SA, CE | |
| 31540 | Excitation | 9001/01-083-442-10 | +6 VDC | 48 ohm | 8.4 VDC | 442 mA | FM, UL, CSA, SA, CE | |
| 70724 | Sense | 9001/01-086-020-101 | +6 VDC | 470 ohm | 8.6 VDC | 18.3 mA | FM, UL, CSA, SA, CE | |
| 30263 | Signal | 9002/77-093-040-001 | Ā±6 VDC | 482 ohm | 9.6 VDC | 40.9 mA | FM, UL, CSA, SA, CE | |
| 31542 | RS-232 | 9002/22-093-300-001 | Ā±6 VDC | 75.8 ohm | 9.6 VDC | 297.5 mA | FM, UL, CSA, SA, CE | |
| 30264 | Sense | 9002/10-187-020-001 | Ā±6 VDC | 482 ohm | 18.7 VDC | 22 mA | FM, UL, CSA, SA, CE | |
| 30266 | Excitation | 9001/00-086-390-101 | -0.6 VDC | 30 ohm | 8.6 VDC | 377.6 mA | FM Approved | |
| 69491 | Excitation | 9001/02-016-150-111 | Ā±0.7 VDC | 12.8 ohm | 1.64 VDC | 127.4 mA | FM, UL, CSA, SA, CE | |
| 69492 | Sense | 9001/01-168-020-101 | Ā±12 VDC | 898 ohm | 16.8 VDC | 18.7 mA | FM, UL, CSA, SA, CE | |
| 69493 | Sense | 9001/02-016-015-101 | +0.7 VDC | 127 ohm | 1.64 VDC | 13.7 mA | FM, UL, CSA, SA, CE | |
| 72521 | Excitation | 9001/01-199-390-101 | +16 VDC | 67 ohm | -19.9 VDC | 382.7 mA | FM, CSA, CE | |
| 30265 | Excitation | 9001/01-086-390-101 | +6 VDC | 30 ohm | 8.6 VDC | 377.6 mA | FM Approved |
Rice Lake's Intrinsic Safety Barriers provide superior protection for industrial environments where hazardous conditions require intrinsically safe voltage levels. With multiple configurations, FM-approved components, and seamless integration with existing systems, these barriers help ensure safety and compliance in hazardous locations.
Enhance safety in your operationsāorder Rice Lake Intrinsic Safety Barriers today! Contact us for more details.
Free shipping: To the 48 contiguous states (residential, farm and rural deliveries may carry a carrier surcharge).
Ship date: Rice Lake Weighing Systems products ship on the maker's own lead time; we confirm the date when you order, or call 844-735-5386 before you buy.
Tracking: Emailed the moment your order ships.
Questions: (844) 735-5386 or info@selletonscales.com.
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