{"product_id":"bussmann-170l4958-125a-ar-fuses","title":"Eaton (Bussmann) 170L5020 High‑Speed Square‑Body Fuse-Link — 250A, 660 V AC aR Semiconductor Protection, Compact Size 1 (43×58×140 mm), Bolted Tag, Top Indicator — Pack of 6","description":"\u003cp\u003eThe Eaton (Bussmann) 170L5020 is a high‑speed square‑body fuse‑link engineered for semiconductor protection in industrial power systems. Classified as Class aR, it provides fast clearing characteristics tailored to protect power semiconductors, rectifiers and converters. This listing is for a pack of six (6) pieces.\u003c\/p\u003e\n\u003cp\u003eKey specifications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer \/ Brand: Eaton (Bussmann)\u003c\/li\u003e\n\u003cli\u003ePart \/ Catalog number: 170L5020 (Global Catalog: 170L5020)\u003c\/li\u003e\n\u003cli\u003eProduct type: High‑speed square‑body fuse-link (bolted tag) — Class aR (semiconductor protection)\u003c\/li\u003e\n\u003cli\u003eApplication: Semiconductor protection, power converters, rectifiers, industrial AC systems\u003c\/li\u003e\n\u003cli\u003eAmperage rating: 250 A\u003c\/li\u003e\n\u003cli\u003eVoltage rating: 660 V AC\u003c\/li\u003e\n\u003cli\u003eUtilization category \/ Class: aR (accompanied semiconductor protection), Class aR\u003c\/li\u003e\n\u003cli\u003eFuse size: Compact Size 1 (listed as Size 1) — nominal compact dimensions: 43 × 58 × 140 mm (compact size 1)\u003c\/li\u003e\n\u003cli\u003eConstruction \/ Body: Square body with slotted center bolted tags; bolted tag fuse type (DIN 43653 compatible)\u003c\/li\u003e\n\u003cli\u003eFuse indicator: Top fuse status indicator (single indicator)\u003c\/li\u003e\n\u003cli\u003eBreaking capacity: 200 kA\u003c\/li\u003e\n\u003cli\u003eCurrent type: AC\u003c\/li\u003e\n\u003cli\u003eCenter‑to‑center distance of connections: 108 mm\u003c\/li\u003e\n\u003cli\u003eMounting \/ Terminals: Bolted tag, mounting dimension M10\u003c\/li\u003e\n\u003cli\u003eWatt losses at rated current: 50 W\u003c\/li\u003e\n\u003cli\u003eProduct dimensions (as packaged\/product listing): Length\/Depth 305 mm × Width 145 mm × Height 65 mm\u003c\/li\u003e\n\u003cli\u003eProduct weight: 58.2 g (per unit)\u003c\/li\u003e\n\u003cli\u003ePackaging: Standard; sell pack quantity: 6 pcs\u003c\/li\u003e\n\u003cli\u003eCompliance: RoHS compliant; consult Eaton for additional certifications (contact factory)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFeatures \u0026amp; benefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh breaking capacity (200 kA) for robust fault interruption in high‑energy systems.\u003c\/li\u003e\n\u003cli\u003eaR characteristic specifically optimized for fast clearing of faults affecting semiconductor devices.\u003c\/li\u003e\n\u003cli\u003eBolted tag construction with slotted center tags and top visual indicator for reliable connection and quick status check.\u003c\/li\u003e\n\u003cli\u003eCompact Size 1 form factor for space‑efficient installations while maintaining high performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation \u0026amp; safety notes\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify mechanical and electrical compatibility with DIN 43653 \/ bolted tag fuse holders and mounting hardware; ensure M10 bolt clearance and 108 mm center‑to‑center spacing.\u003c\/li\u003e\n\u003cli\u003eUse time‑current curves and coordination tables from Eaton to confirm selectivity and system protection; consult datasheet for full T‑I characteristics.\u003c\/li\u003e\n\u003cli\u003eObserve rated voltage 660 V AC and rated current 250 A; ensure proper derating and ambient conditions per Eaton guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDocumentation \u0026amp; support\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor full technical documentation, time‑current curves, installation instructions and certification details, refer to Eaton (Bussmann) datasheet for part 170L5020 or contact Eaton technical support.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":47568939286807,"sku":"170L5020","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/bussmann-general-industrial-fuses-eaton-bussmann-170l5020-high-speed-square-body-fuse-link-250a-660-v-ac-ar-semiconductor-protection-compact-size-1-43x58x140-mm-bolted-tag-top-indicator-pack-of-6-1212527846.jpg?v=1766698331","url":"https:\/\/www.apexonsupply.com\/products\/bussmann-170l4958-125a-ar-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}