SPP-4E175 Equivalent & Substitute Parts

Part Overview

The SPP-4E175 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 175A at 700V. This component is classified as obsolete, requiring identification of suitable alternatives for continued system support. The part operates as a blade-mounted fuse element designed for use within a fuse holder assembly. Due to its obsolete status, sourcing equivalent or substitute components is necessary for maintenance, repair, and replacement applications in electrical systems requiring this current and voltage rating.

Substiute Parts

SPP-4E175

Eaton - Bussmann Electrical DivisionIn Stock: 841SPP-4E175 Datasheet

Current PartRFQ

170M3665

Eaton - Bussmann Electrical DivisionIn Stock: 1022170M3665 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 170M3665 is identified based on the following substitution criteria:

Common Electrical Parameters:

• Voltage Rating: Both parts operate at 700V AC
• Manufacturer: Both manufactured by Eaton - Bussmann Electrical Division
• Regulatory Compliance: Both classified under HTSUS 8536.10.0040 and ECCN EAR99

Substitution Basis: The 170M3665 provides equivalent voltage protection at 700VAC. While the current rating differs (200A versus 175A), this represents an uprated alternative suitable for systems where the higher current capacity does not create operational conflicts. Both components share the same manufacturer source and regulatory classification, ensuring consistency in procurement and compliance documentation.

Parameter Comparison

Engineering Selection Recommendations

The 170M3665 is an active product with current manufacturing support from Eaton - Bussmann Electrical Division, providing supply continuity for the obsolete SPP-4E175. Both components share identical voltage ratings (700V) and manufacturer source, ensuring regulatory and compliance alignment.

The 170M3665 carries RoHS Compliant status and CSA/UR approvals, meeting modern environmental and safety standards. The uprated current capacity (200A versus 175A) positions this substitute as suitable for applications where the original 175A specification can accommodate the higher rating without system redesign.

Mounting configuration differs between the parts: the SPP-4E175 requires a holder assembly, while the 170M3665 uses bolt mount construction. System integration must account for this mechanical difference during component replacement.

Frequently Asked Questions (FAQ)

Q: Can the 170M3665 directly replace the SPP-4E175 in existing installations?

A: Both components operate at 700V and are manufactured by Eaton - Bussmann Electrical Division. However, the mounting type differs: SPP-4E175 requires a holder assembly, while 170M3665 uses bolt mount. Mechanical integration must be evaluated for your specific installation.

Q: What is the significance of the current rating difference (175A vs. 200A)?

A: The 170M3665 provides a higher current rating. Substitution is appropriate when system design permits the uprated capacity without operational conflicts. The higher rating does not reduce protection capability for circuits designed for 175A operation.

Q: Are both parts compliant with current regulatory requirements?

A: The 170M3665 is RoHS Compliant and carries CSA/UR approvals. The SPP-4E175, being obsolete, may not meet current environmental standards. The 170M3665 is recommended for new installations and long-term system support.

Q: What is the difference between blade and square fuse types?

A: Blade and square refer to physical form factors. The SPP-4E175 uses blade configuration; the 170M3665 uses square configuration. These are mechanically distinct and require different mounting hardware and holder assemblies.

Q: Are there inventory considerations for these parts?

A: SPP-4E175 inventory is limited (788 pcs) due to obsolete status. The 170M3665 is actively manufactured with current inventory (972 pcs), providing reliable supply for ongoing requirements.