Phoenix ContactImplementing intrinsically safe circuits
The 'Ex i' type of intrinsic safety has become established worldwide for measurement and control technology in systems with potentially explosive atmospheres. Compared to other types of protection, it is more cost-effective in terms of design.
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<p>Figure 4: The MACX MCR-... Ex i isolator series and the FA MCR... process indicators and field devices have been developed for use in safety-related circuits in accordance with EN 61508. Independent test bodies certify their use in applications up to SIL 2 or SIL 3.</p> © Phoenix Contact