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- Warranty: 365 days
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MTL2220 Brief Overview
MTL2220 is an Eaton MTL earth leakage detector from the MTL2000 series, an intrinsically safe DIN-rail mounted module designed for earth fault monitoring in hazardous process areas. It is a discontinued industrial spare part widely used for safety loop supervision.

Key Functions
- Monitor earth leakage resistance on intrinsically safe field circuits
- Change relay contact state and trigger alarm when earth fault occurs
- Built-in LED status indicator for normal / fault status visualization
- Integrated test function to verify detector health on site
- Fast response for safety protection of IS circuits in explosive zones
Application Scenarios
- Oil & gas, petrochemical hazardous area control systems
- Chemical plants with ATEX / IECEx classified zones
- Refineries and process safety instrumented systems
- Intrinsically safe field wiring supervision cabinets
- Legacy MTL2000 system maintenance and spare replacement
FAQ
Q: What is MTL2220 used for?
A: It is an earth leakage detector to monitor earth faults on intrinsically safe circuits.
Q: Is MTL2220 still in production?
A: No, this model has been discontinued and supplied as aftermarket spare only.
Q: When will the relay trip?
A: The relay de-energises when earth fault resistance drops below 10kΩ.
Q: Can it work in explosion hazardous areas?
A: It is intrinsically safe certified for monitoring IS circuits in hazardous locations.



