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Bussmann
For over a century, Cooper Bussmann, now part of Eaton, has been a trusted global leader in fuse protection, circuit protection, and power distribution solutions. The Bussmann series fuses safeguard industrial, commercial, and renewable power systems with precision-engineered components designed to deliver maximum reliability, safety, and performance. By maintaining proper rejection features and voltage consistency, Bussmann ensures the right fuse is always installed—protecting critical systems from overloads and short circuits. Engineers and buyers can easily source authentic Bussmann components through IBS Electronics.
Bussmann’s product portfolio covers a wide range of protection needs: high-speed semiconductor fuses for sensitive electronics, time-delay fuses for motor circuits, fast-acting fuses for general protection, and photovoltaic fuses designed for modern solar installations. The 170M and FWH Series are renowned for their aR characteristics, ensuring ultra-fast operation and semiconductor safety, while the LP-CC and FRN-R Series provide dependable, dual-element protection for industrial and commercial systems. Bussmann’s compact, high-interrupting designs help minimize downtime, improve safety, and extend equipment life.
With solutions tested to meet global UL, CSA, and IEC standards, Bussmann fuses are used across industries—from manufacturing and energy to telecommunications and transportation. Benefits include enhanced short-circuit protection, modular compatibility, and high interrupt ratings. Whether for motor control panels, solar arrays, or power conversion systems, Bussmann fuses and holders ensure dependable protection and compliance. IBS Electronics provides access to the full range of Bussmann series products for professional-grade electrical protection and design integration.
| Series / Product Line | Specs | Benefits | Applications | Key Products |
|---|---|---|---|---|
| 170M Series (Square Body High-Speed) | 690–1000V AC, 125–1600A, aR characteristic | Superior semiconductor protection, low I²t, compact DIN design | Drives, UPS, inverters, power electronics | 170M3394, 170M4461, 170M4810, 170M6024, 170M6689, 170M6789 |
| FWH / FWJ Series (High-Speed Fuses) | 500V AC/DC, 30–90A | Ultra-fast acting, low watts loss, compact bolted connection | Semiconductors, converters, rectifiers | FWH-90B, FWH-90BC, FWJ-30A14F |
| FRN-R Series (Dual-Element Time-Delay) | 250V AC, 3–100A, Class RK5 | Time-delay design protects motors and transformers | Industrial panels, HVAC, machinery | FRN-R-3, FRN-R-15, FRN-R-100 |
| FNQ / FNQ-R Series (Class CC Time-Delay) | 250–600V AC, 0.25–30A | Compact dual-element, rejection feature ensures correct replacement | Control circuits, industrial control panels | FNQ-5, FNQ-R-2, FNQ-R-5, FNQ-R-15, FNQ-R-20-30 |
| LP-CC / LPJ Series (Low-Peak Time-Delay) | 600V AC, 1–600A | Current-limiting, high interrupting rating, energy efficiency | Switchboards, control cabinets, distribution | LP-CC-12, LP-CC-15, LP-CC-30, LPJ-80SP |
| KTK / KTK-R Series (Fast-Acting Fuses) | 600V AC, 1–30A | Compact size, rapid response to short circuits | Control panels, lighting, instrumentation | KTK-4, KTK-R-6, KTK-R-10, KTK-20 |
| LET Series (Limitron) | 600V AC, 1–600A | High-speed, Class RK1 protection for motors | Motor circuits, industrial drives | 50LET |
| PV / CHPV Series (Photovoltaic Fuses) | 1000V DC, 2.5–450A | gPV rated, long life, optimized for solar strings | Solar PV systems, renewable energy | CHPV15L85, PV-2-5A10F85L, PV-15A10F, PV-125A-1XL-15, PV-250A-2XL3B-15, PV-450A-3L-BU-15 |
| 0603FA Series (Surface-Mount Fuses) | 32V DC, 1–3A | Compact SMD design, precise PCB protection | Consumer electronics, automotive modules | TR/0603FA1-R, TR/0603FA3-R |
| MDA / MDL Series (Glass Tube Fuses) | 250V AC, 0.25–12A | Time-delay or fast-acting, visual indication | Electronics, test equipment | MDA-12-R, MDL-1/2-R |
| CH Series (Fuse Holders) | 14×51 mm, 690V AC, DIN-rail | Safe, quick installation, compact design | Panels, power distribution | ACH141DU |
| JJS Series (Class T Time-Delay) | 600V AC, up to 600A | Compact, fast-response, current-limiting | Drives, power panels | JJS-100 |
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