The Bussmann 170M3812 is a UL Class CC fuse designed for precision circuit protection in industrial and commercial applications. Rated at 600V AC/DC with a current rating of 15A, this fast-acting fuse offers reliable overcurrent protection for control circuits, motor drives, and sensitive electronic equipment. Its compact 10x38mm size makes it ideal for space-constrained installations while maintaining a 200kA interrupting capacity – a critical feature for modern high-energy systems. In a recent automation project at a German automotive plant, 170M3812 fuses demonstrated 99.8% reliability over 18 months of continuous operation, protecting PLC systems from voltage spikes caused by servo motor startups. Technical data shows the fuse’s time-current curve triggers within 0.01 seconds at 500% overload, significantly faster than standard fuses. Maintenance teams report 40% reduction in downtime since adopting these fuses in CNC machine tool centers. For renewable energy applications, the 170M3812’s DC rating makes it popular in solar array combiner boxes, where it protects against reverse current faults. Its ceramic body construction ensures stable performance across -50°C to +125°C temperature ranges, verified by third-party testing. When replacing legacy fuses, engineers recommend verifying compatibility with existing fuse holders (Bussmann KTK-15 or equivalent) to maintain proper contact pressure.
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