OFD500EA - ABB - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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Become part of our mission to advance intelligent manufacturing. We provide a platform where professional growth aligns with sustainable impact. Beyond a rewarding career, our unique program for controller recycling and education extends the value of technology while cultivating future talent. Together, we can ensure that technological progress and environmental stewardship grow hand in hand.

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OFD500EA

The ABB OFD500EA is an electronic fuse status monitor (DC fuse monitor) designed as an accessory for electrical protection and distribution equipment. It monitors the condition of cylindrical fuses used in low‑voltage switchgear or switch‑fuse combinations and provides a change‑of‑state output when a fuse element opens (blows), enabling remote indication or protective control.

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Key Parameters Specification Value / Description Product Name OFD500EA Electronic Fuse Monitor ABB Order Code 1SCA121776R1001 Function Status monitoring of DC fuses (detects blown fuse) Rated Supply Voltage 110–500 V DC (for fuse status detection) Output(s) Auxiliary contact output indicating fuse open/closed Contact Configuration Typically 1 NO + 1 NC (change‑of‑state on fuse condition) Mounting Panel / switchgear accessory mounting Mounting Options DIN‑rail or accessory plate (depending on system) Net Weight ~0.155 kg Housing Dimensions ~95 mm × 55 mm × 115 mm (approx.) Application Low‑voltage switchgear, fuse switch accessories Environmental Class Industrial control environment