Eaton (Bussmann) 170L4909 Square‑Body High‑Speed Specialty Fuse‑Link — 25A, 660 V AC, aR Semiconductor Protection, Blade/Square‑Body — Pack of 6

Product overview The Eaton (Bussmann) 170L4909 is a square‑body, high‑speed specialty fuse‑link from the 170L series designed for semiconductor and power‑electronics protection in industrial applications. The 170L family features robust square‑body blade construction for reliable interruption performance and flexible mounting options. This listing is for a pack of six (6) pieces.

Key specifications

• Manufacturer / Brand: Eaton (Bussmann)
• Part / Catalog number: 170L4909
• Product type: Specialty high‑speed fuse‑link — square‑body blade style (170L series)
• Application: Semiconductor protection, power converters, industrial power systems and specialty protection applications
• Amperage rating: 25 A
• Voltage rating: 660 V AC
• Utilization category / Characteristic: aR (accompanied semiconductor protection)
• Body style: Square‑body blade fuse (170L series) — blade terminals for clip/holder mounting
• Packaging: Bulk; sell pack quantity: 6 pcs
• Compliance: RoHS (where applicable); consult Eaton for detailed certifications and approvals

Features & benefits

• Designed for fast clearing and optimized protection of semiconductor devices and power‑electronic circuits.
• Square‑body blade form factor (170L series) offers robust mechanical stability and compatibility with multiple mounting styles.
• Eaton (Bussmann) quality and global support for industrial protection components.

Installation & safety notes

• Confirm mechanical compatibility with your fuse holders/clip mounts and blade terminal arrangement prior to installation.
• Use Eaton time‑current data and coordination charts to verify selectivity and system protection; consult the Eaton datasheet for full technical curves and installation instructions.
• Observe rated current (25 A) and rated voltage (660 V AC) in application design and derating considerations.

Documentation & support

• For full technical documentation, certifications, time‑current curves and mounting details, refer to Eaton (Bussmann) datasheet for part 170L4909 or contact Eaton technical support.