PART CROSS REFERENCE · ELECTRICAL, SPECIALTY FUSES

170M5266Eaton Bussmann cross reference & alternatives

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Eaton Bussmann 170M5266 has 1 recorded cross-reference match across 1 manufacturer. Research equivalent, alternate or similar parts using the listed candidates, and check their source notes before selecting a replacement.

1Direct crosses
Updating2nd-degree candidates · Unverified
1alternate manufacturers
1reference sources
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170M5266 equivalents, alternate parts & cross references

Recorded alternatives for this lookup direction. Each source may carry conditions or differences.

Technical notes
Technical notes

Eaton Bussmann 170M5266 versus Mersen 6,9URD32D11A1000:

Mersen manufacturer-published selection comparison, source PDF page 41. The exact original 170M5266 also appears in Eaton Bussmann IEC high-speed fuse catalog on PDF page(s) 99, 420. Mersen describes this guide as selection guidance for similar products and warns that size and performance may differ. This is a documented comparison requiring application review, not an independently verified drop-in replacement. The guide does not give same-row current, voltage, interrupting capacity, time-current curves or dimensional comparison. Verify exact ampere rating, AC/DC voltage, breaking capacity, utilization class, time-current/I²t and coordination, blade/bolt dimensions and mounting centers, indicator arrangement, thermal behavior and approvals against both current datasheets before substitution. Missing fit/rating evidence remains unresolved; panel or PCB modifications are not accepted as compatible mounting. Original source orientation is Eaton Bussmann to Mersen; reverse lookup does not establish reverse substitution approval. Historical listings do not establish current availability. No variants or amperages were generated. Excluded from second-degree inference.

Source: Mersen — Fuses, Blocks, Holders and Accessories Cross Reference Guide → (Undated historical manufacturer guide; retrieved 2026-11-01)
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Second-degree candidates

Find additional research candidates through a shared connecting part. Each result is labeled Second-degree candidate · Unverified and shows both recorded source relationships.

Two recorded crosses do not establish a verified equivalent. Compare current specifications, interfaces, ratings, cable requirements and the same PCB footprint or panel fit before substitution. Candidate counts are separate from direct-cross and part totals.

170M5266 replacement and similar-part research

Looking for an equivalent or alternate to Eaton Bussmann 170M5266? The 1 recorded candidate above links to individual part pages and the evidence behind each relationship.

A recorded cross reference does not establish a drop-in replacement. Compare current datasheets, package or mounting dimensions, pinout, electrical ratings and operating conditions for your application. Similar parts can differ in critical specifications.

Browse more Eaton Bussmann cross references → · Request help researching this part →

MANUFACTURER DOCUMENTATION

Eaton Bussmann 170M5266 specifications & datasheets

Documentation links are provided above. Confirm the exact ordering code and current revision.

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Source coverage & limitations

Counts describe recorded relationships, not stock, sales, testing or independent qualification. Manufacturer-and-part identities remain separate. Indexing dates do not establish current specifications or availability.

Check current manufacturer documents and electrical, mechanical, environmental and application requirements before selecting a replacement.

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