OFD500EA_ABB_PRODUCT_吉林易择科技技术发展有限公司

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

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DESCRIBE

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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