SPP-5E325 Equivalent & Substitute Parts

Part Overview

The SPP-5E325 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 325A at 700V with blade mounting. This component is classified as obsolete, requiring identification of active equivalent parts for continued system support and procurement. Substitute parts must maintain electrical compatibility within the specified voltage and current parameters while accommodating available mounting configurations.

Substiute Parts

SPP-5E325

Eaton - Bussmann Electrical DivisionIn Stock: 968SPP-5E325 Datasheet

Current PartRFQ

170M4661

Eaton - Bussmann Electrical DivisionIn Stock: 1081170M4661 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The 170M4661 serves as an electrical substitute based on the following criteria:

• Voltage rating compatibility: Both parts operate at 700V AC
• Current capacity: 170M4661 rated at 350A exceeds the 325A requirement, providing operational margin within the same voltage class
• Manufacturer continuity: Both parts sourced from Eaton - Bussmann Electrical Division
• Regulatory alignment: Identical ECCN and HTSUS classifications ensure compliance consistency
• Product status: 170M4661 is active with confirmed inventory availability

Substitution is valid where the higher current rating of 170M4661 does not create system design conflicts. Mounting configuration differs (bolt mount vs. holder requirement), requiring mechanical integration assessment.

Parameter Comparison

Engineering Selection Recommendations

The 170M4661 is the active equivalent for SPP-5E325 applications. Selection is supported by:

• Voltage class alignment at 700V ensures electrical compatibility
• Current rating of 350A accommodates the 325A requirement with operational headroom
• Active product status with confirmed inventory availability (1051 pcs)
• Identical regulatory classification (ECCN EAR99, HTSUS 8536.10.0040)
• RoHS compliance of 170M4661 provides environmental standard alignment

Mechanical integration requires verification: the transition from holder-mounted blade configuration to bolt-mount square configuration necessitates enclosure and circuit design compatibility assessment. Breaking capacity (200kA) and melting I²t (8500) specifications of 170M4661 must be validated against system protection requirements.

Frequently Asked Questions (FAQ)

Q: Can 170M4661 directly replace SPP-5E325 in existing installations?

A: Electrical compatibility is established through matching 700V voltage rating and 350A current capacity exceeding the 325A requirement. Mechanical compatibility requires verification of mounting infrastructure, as SPP-5E325 uses holder mounting while 170M4661 requires bolt mount configuration.

Q: What is the significance of the current rating difference (325A vs. 350A)?

A: The 170M4661 rating of 350A exceeds the SPP-5E325 requirement of 325A. This provides operational margin within the same voltage class. System design must confirm that the higher current rating does not conflict with circuit protection objectives.

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

A: Both parts share identical ECCN (EAR99) and HTSUS (8536.10.0040) classifications. The 170M4661 carries RoHS compliance certification, while the SPP-5E325 specification does not include this designation.

Q: What mounting considerations apply to substitution?

A: SPP-5E325 requires a dedicated holder assembly, while 170M4661 uses bolt mount configuration. Enclosure design and circuit layout must accommodate the different mechanical interface before substitution.

Q: Is inventory availability a factor in part selection?

A: The 170M4661 is active with 1051 pcs in stock, while SPP-5E325 is obsolete. Availability supports transition to the active equivalent for new procurement and system maintenance.