Equivalent & Substitute Parts Reference: SPP-4F275

Part Overview

Manufacturer part number SPP-4F275 from Eaton - Bussmann Electrical Division is a 275A, 700V blade-type fuse link, categorized as requiring a holder for installation. The part is currently listed as obsolete, necessitating identification of compatible substitute components for ongoing or future designs. Alternative models are required to ensure supply continuity and maintain compliance with application requirements.

Substiute Parts

SPP-4F275

Eaton - Bussmann Electrical DivisionIn Stock: 794SPP-4F275 Datasheet

Current PartRFQ

170M3717

Eaton - Bussmann Electrical DivisionIn Stock: 935170M3717 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute part selection is determined strictly by electrical and mechanical compatibility, including manufacturer equivalence, current rating, voltage rating, mounting type, package style, regulatory compliance, and inventory status. Only parameters explicitly provided are considered. The substitute part, 170M3717, matches the category requirements for voltage rating, manufacturer, and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Replacement selection can be based on product status, inventory availability, and compliance with ECCN and HTSUS codes. The substitute part 170M3717 is active, with RoHS compliance and relevant approval agencies (CSA, UR) indicated. All substitute choices must observe the provided mounting and format fields. No parameters outside those given are treated as selection criteria.

Frequently Asked Questions (FAQ)

Q: What is the main criteria for selecting substitute fuse links for SPP-4F275?
A: Only electrical ratings (current, voltage), manufacturer compatibility, mounting type, package/case style, compliance status, and part status are evaluated per explicit specifications.

Q: Is the 170M3717 a direct mechanical replacement?
A: Based on provided information, the package/case style and mounting type must be compared. 170M3717 uses a rectangular, blade format with bolt mounting. Compatibility with installation hardware must be verified.

Q: Are there regulatory differences between SPP-4F275 and 170M3717?
A: Both parts list ECCN EAR99 and HTSUS 8536.10.0040. 170M3717 is also RoHS compliant and lists CSA, UR approvals.

Q: Does current rating affect substitution?
A: SPP-4F275 is rated for 275A, while 170M3717 is rated for 315A. Electrical compatibility depends strictly on specified ratings for the application.

Q: What inventory statuses are relevant?
A: SPP-4F275 is obsolete. 170M3717 is active with stock available, meeting supply continuity requirements.