A2Y40

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40A 250VAC Class K5/H Non-Renewable One-Time Cartridge Fuse, Amp-Trap Monolithic Industrial Safety Protection Series, 10,000A Interrupting Sinking Capacity Breaking Threshold, High -Conductivity Heavy-Duty Brass Contact End Caps, Rigid Moisture-Resistant Melamine or Fiber Tubing Enclosure Shell, Core Overcurrent and Severe Short-Circuit Thermal Safety Barrier, Code-Compliant Industrial Branch Circuit Disconnect Protection, High Stability Main Switchboard Power Node | High-performance industrial-grade non-renewable one-time cartridge power fuse manufactured by Ferraz Shawmut (now Mersen). Symmetrical repeated configuration slot tracking the exact electrical breaking thresholds, mechanical dimensional envelope parameters, and multi-brand drop-in substitution patterns matching the primary 40A 250V row entry block above. | Industry Exact Equivalents: Ferraz Shawmut A2Y40, Mersen A2Y40, Gould A2Y40, Bussmann NON-40, Littelfuse NON40, Edison KON40 | Industry Functional Cross-References: Class K5 Fuses, Class H 40A Fuses, 250V 40A Cartridge Fuses, Mersen NON40, Littelfuse NLN40 | Military Specification National Stock Number (NSN): 5920-00-112-9210 Show more