SPP-4B100 Equivalent & Substitute Parts

Part Overview

The SPP-4B100 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 100A at 700V operation. This component is classified as obsolete, requiring identification of active equivalent parts for continued system support and procurement. The part requires a dedicated holder for installation and is part of the Semitron™ SPP series. Locating suitable substitutes is essential for maintaining electrical system functionality where this fuse link is specified.

Substiute Parts

SPP-4B100

Eaton - Bussmann Electrical DivisionIn Stock: 741SPP-4B100 Datasheet

Current PartRFQ

170M3612

Eaton - Bussmann Electrical DivisionIn Stock: 1233170M3612 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPP-4B100 is determined by the following critical parameters:

• Current Rating: 100A (exact match required)
• Voltage Rating: 700V AC (exact match required)
• Manufacturer: Eaton - Bussmann Electrical Division (same manufacturer ensures design compatibility)
• Regulatory Compliance: REACH and ECCN classification alignment

The substitute part 170M3612 meets these core electrical specifications. While the mounting configuration differs (bolt mount versus holder-based), both parts share identical electrical ratings and are manufactured by the same supplier, establishing functional equivalence for circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

The 170M3612 is the active equivalent for the obsolete SPP-4B100. Both components are manufactured by Eaton - Bussmann Electrical Division and share identical electrical specifications: 100A current rating and 700V AC voltage rating. The 170M3612 holds active product status, ensuring ongoing availability and support.

The primary distinction is mounting configuration: the SPP-4B100 requires a dedicated holder, while the 170M3612 uses bolt mount installation. This difference necessitates mechanical integration review during substitution. The 170M3612 provides additional documented performance data, including 200kA breaking capacity and 360 melting I²t rating, supporting design verification.

Both parts carry EAR99 ECCN classification. The 170M3612 is RoHS compliant, meeting current environmental compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can the 170M3612 directly replace the SPP-4B100 in existing installations?

A: Electrical compatibility is confirmed through matching 100A and 700V ratings. Mechanical compatibility depends on the mounting infrastructure. The SPP-4B100 requires a holder-type mount, while the 170M3612 uses bolt mount. Installation feasibility must be evaluated based on the specific equipment design.

Q: What are the key parameters that define substitution eligibility?

A: Current rating (100A), voltage rating (700V AC), and manufacturer (Eaton - Bussmann Electrical Division) are the primary criteria. Both parts meet these specifications, establishing functional equivalence for circuit protection.

Q: Why is the SPP-4B100 listed as obsolete?

A: Obsolete status indicates the part is no longer in active production. The 170M3612 represents the active alternative from the same manufacturer with identical electrical performance.

Q: Are there compliance differences between these parts?

A: Both parts carry EAR99 ECCN classification. The 170M3612 is documented as RoHS compliant, while the SPP-4B100 RoHS status is not specified. Current procurement should prioritize the 170M3612 for regulatory alignment.

Q: What is the significance of the breaking capacity and melting I²t values?

A: The 170M3612 specifies 200kA breaking capacity and 360 melting I²t. These parameters define fault current handling and thermal response characteristics. The SPP-4B100 does not provide these values in available documentation.