SPP-7F450 Equivalent & Substitute Parts Reference

Part Overview

The Eaton - Bussmann Electrical Division SPP-7F450 is a fuse link with a current rating of 450A and a voltage rating of 700V, designed for use with a holder in electrical and industrial applications. This component belongs to the Semitron™ SPP Series and is supplied in bulk packaging. The SPP-7F450 is classified as obsolete, necessitating the identification of alternative or directly substitutable models to support equipment longevity and ensure ongoing system integrity where this fuse link is required.

Substiute Parts

SPP-7F450

Eaton - Bussmann Electrical DivisionIn Stock: 1070SPP-7F450 Datasheet

Current PartRFQ

170M6708

Eaton - Bussmann Electrical DivisionIn Stock: 981170M6708 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution within fuse link and industrial fuse categories is determined by strict matching of key parameters. For SPP-7F450, the allowable substitutable attributes include current rating, voltage rating, package type, mounting configuration, and regulatory compliance data. Alternate selections such as 170M6708 are identified when these core attributes—manufacturer, current capacity, voltage compatibility, physical format, and compliance status—align within defined specifications.

Parameter Comparison

Engineering Selection Recommendations

Given the obsolete status of SPP-7F450, substitute selection shall be based exclusively on available part status and compliance criteria, including ECCN and HTSUS codes. The substitute part 170M6708 is currently active and meets the required compliance and regulatory classification parameters as specified. Only manufacturer-provided compliance and stock status data are evaluated for selection in this context.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters when identifying substitutes for the SPP-7F450 fuse link?
A1: Substitute suitability is determined by matching current rating, voltage rating, manufacturer, package/case style, mounting type, regulatory compliance, and part status.

Q2: Are the package and mounting types identical between SPP-7F450 and 170M6708?
A2: The SPP-7F450 requires a holder and is classified as a “Fuse Link”, while the 170M6708 uses a bolt mount and is in a “Rectangular, Blade” package.

Q3: Is the 170M6708 approved for use in the same regulatory environments as the SPP-7F450?
A3: Both parts share the same ECCN (EAR99) and HTSUS (8536.10.0040) codes, and each meets at least one compliance standard (REACH or RoHS).

Q4: How does the electrical performance compare between SPP-7F450 and 170M6708?
A4: SPP-7F450 is rated for 450A and 700V; 170M6708 is rated for 500A and 700 VAC. Only manufacturer-stated values are considered.

Q5: What factors limit substitutability between these fuse links?
A5: Substitutability is confined to the provided parameters, specifically electrical ratings, package/case, mounting method, regulatory codes, compliance status, and part lifecycle status.

Q6: Does inventory status impact selection?
A6: Only current inventory status and lifecycle classification are taken into account for selection per provided data.