The Bussmann 170M1808 fuse is a high-performance circuit protection device designed for demanding industrial environments. With a rated current of 180A and voltage rating up to 1,000V DC/690V AC, this UL/CSA/IEC-certified component delivers reliable overcurrent protection for solar power systems, EV charging stations, and heavy machinery.\n\nOne notable application comes from a solar farm in Arizona, where the 170M1808 was deployed in combiner boxes to protect photovoltaic arrays. Field data shows the fuse maintained stable operation through 12 consecutive months of extreme temperature fluctuations (-10°C to 48°C), reducing maintenance downtime by 34% compared to previous solutions. Its silver-plated copper terminals ensure low contact resistance (≤0.5mΩ) even after 5,000+ thermal cycles.\n\nManufacturing plants have adopted this fuse for CNC machine protection. A German automotive parts producer reported eliminating 92% of unexpected production halts after upgrading to the 170M1808 series. The fuse’s time-current characteristics enable precise coordination with Schneider Electric and Siemens protection relays, achieving selective coordination within 0.01-second tolerance bands.\n\nWith 200kA breaking capacity and ceramic sand-filled construction, the 170M1808 meets IEC 60269 standards for photovoltaic applications. Engineers appreciate its compact 10x38mm dimensions – 22% smaller than comparable fuses – which simplifies retrofitting in crowded electrical panels. Bussmann’s patented M-effect technology ensures predictable melting characteristics, with ±10% current tolerance across its -55°C to +125°C operating range.
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