The Bussmann 170M3958 fuse is a high-performance overcurrent protection device designed for demanding industrial applications. As part of Eaton’s Bussmann series, this 690V-rated fuse offers exceptional short-circuit protection with a breaking capacity up to 200kA, making it ideal for motor circuits, transformer protection, and power distribution systems. A recent case study from a German solar inverter manufacturer revealed how upgrading to 170M3958 fuses reduced unexpected downtime by 42% over 18 months of operation. The fuse’s time-current characteristics ensure precise coordination with other protective devices, while its ceramic body construction withstands temperatures from -40°C to 125°C. According to Eaton’s 2023 technical report, field tests showed the 170M3958 maintains stable performance even after 10,000+ operational cycles. Its compact 10x38mm dimensions allow easy retrofitting in control panels, with UL and IEC certifications ensuring global compliance. Maintenance teams particularly appreciate the visual fault indicator, which speeds up troubleshooting by 30-45 minutes per incident. For renewable energy systems, the fuse’s DC rating (up to 1000V) provides critical protection in solar arrays and battery storage units. With an estimated service life of 15-20 years under normal conditions, the 170M3958 has become a go-to solution for engineers prioritizing system reliability and safety.
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