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MTL7787+

Parameter Specification Product Model MTL7787+ Product Line Eaton MTL Signal Conditioners & Isolators Function Dual-channel 2-wire transmitter isolator & power supply Input Signal 4-20 mA from hazardous-area transmitters Output Signal Isolated 4-20 mA (dual channels) Power Supply 20-30 V DC (typical) Isolation Galvanic isolation (input/output/power) Intrinsic Safety (IS) Certification ATEX, IECEx, FM, CSA (entity parameters required for design) Line Fault Detection Open/short circuit detection Accuracy ±0.1% of span (typical) Mounting DIN-rail (35 mm) Operating Temperature -20°C to +60°C

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Eaton MTL7787+ is a dual-channel, DIN-rail mounted safety isolator and repeater power supply from Eaton's MTL (Measurement Technology Limited) product line. It is designed to provide intrinsic safety (IS) protection for 2-wire 4-20 mA transmitters installed in hazardous areas (e.g., Zone 0/1/2 for gas and dust). The device ensures safe energy limitation to the field while delivering isolated and conditioned 4-20 mA signals to the control system in safe areas. The "+" suffix indicates an enhanced version with improved performance or certifications.