SPP-6F300 Equivalent & Substitute Parts

Part Overview

The SPP-6F300 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 300A at 700V operation. This component is classified as obsolete and requires a holder for installation. Due to its obsolete status, identifying functionally equivalent substitute parts is essential for system maintenance, repair, and continued operational support where original inventory is depleted or unavailable.

Substiute Parts

SPP-6F300

Eaton - Bussmann Electrical DivisionIn Stock: 1075SPP-6F300 Datasheet

Current PartRFQ

170M4710

Eaton - Bussmann Electrical DivisionIn Stock: 1012170M4710 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 170M4710 is identified as a functional alternative based on the following substitution criteria:

Voltage Compatibility: Both parts operate at 700V AC, meeting the primary voltage requirement for circuit protection in high-voltage industrial applications.

Current Rating Proximity: The SPP-6F300 is rated at 300A, while the 170M4710 is rated at 315A. This 15A differential represents a 5% variance within acceptable tolerance for fuse substitution in industrial electrical systems where the substitute provides equivalent or slightly enhanced protection capacity.

Manufacturer Consistency: Both components are manufactured by Eaton - Bussmann Electrical Division, ensuring design philosophy, quality standards, and regulatory compliance alignment.

Regulatory & Compliance Alignment: Both parts share identical ECCN (EAR99) and HTSUS (8536.10.0040) classifications, confirming they operate within the same regulatory framework for export control and tariff purposes.

Mounting & Installation: While the SPP-6F300 requires a holder and the 170M4710 features bolt mount capability, both are designed for industrial electrical installations and can be integrated into appropriate mounting infrastructure.

Parameter Comparison

Engineering Selection Recommendations

The 170M4710 is identified as an active substitute for the obsolete SPP-6F300 based on voltage and current rating compatibility within industrial electrical protection standards. The substitute maintains the same manufacturer lineage and regulatory classification (ECCN EAR99, HTSUS 8536.10.0040), ensuring continuity in supply chain compliance and component qualification.

The 170M4710 is currently in active production status, providing assured availability for replacement and maintenance applications. The component carries RoHS compliance certification, meeting modern environmental and material restriction requirements applicable to electrical components in industrial markets.

The 15A current rating increase (300A to 315A) represents a marginal enhancement in protection capacity suitable for applications where the original 300A specification can accommodate the substitute rating within system design parameters.

Frequently Asked Questions (FAQ)

Q: Can the 170M4710 directly replace the SPP-6F300 in existing installations?

A: Electrical compatibility is established through matching 700V voltage ratings and proximate current ratings (300A vs. 315A). However, mechanical installation differences must be evaluated. The SPP-6F300 requires a holder, while the 170M4710 features bolt mount capability. Installation feasibility depends on the existing mounting infrastructure and holder compatibility with the substitute's rectangular blade package form factor.

Q: What is the significance of the 15A current rating difference?

A: The 170M4710 is rated at 315A compared to the SPP-6F300's 300A rating. This 5% variance places the substitute in a higher protection class. In applications where the circuit is designed for 300A operation, the substitute provides equivalent or enhanced protection. System design review is necessary to confirm the higher rating does not conflict with upstream protection coordination requirements.

Q: Why is the SPP-6F300 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The 170M4710, maintained in active production by the same manufacturer, represents the current-generation equivalent for this protection class and voltage rating.

Q: Are there compliance or certification differences between these parts?

A: Both components share identical ECCN (EAR99) and HTSUS (8536.10.0040) classifications. The 170M4710 carries RoHS compliance certification. Both are manufactured by Eaton - Bussmann Electrical Division under consistent quality and regulatory standards.

Q: What mounting considerations apply to substitution?

A: The SPP-6F300 is a fuse link requiring a separate holder assembly. The 170M4710 is a square fuse with bolt mount capability, featuring rectangular blade package dimensions (1.969" L x 2.087" W x 2.717" H). Substitution requires confirmation that the mounting infrastructure can accommodate the bolt mount configuration and package dimensions of the replacement component.