 Intrinsic
Safety Barriers are often used in intrinsically safe applications. Intrinsic
Safety Barriers limit the current and voltage conducted through a device's power or signal wiring. This limitation prevents shorting and arcing of the wires or device, thus preventing ignition of the surrounding atmosphere. Intrinsic Safety Barriers are commonly used for protection of instrumentation that operates at extremely low power levels, and are suitable for exposure to the environment.
Advantages
- The Only Protection Allowed for Zone 0
- Eliminates Possibility of Explosion
- No Hot Permits
- Low Maintenance
- No Special Cables
- Ideal for Low-Power Devices
- Limits Energy to the Device
Disadvantages
- Requires Documentation of I.S. Circuits and Installation
- Can be Used Only With Low-Power Devices
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