SPP-6K600 Equivalent & Substitute Parts

Part Overview

The SPP-6K600 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 600A at 700V operation. This component is classified as obsolete and requires a holder for installation. Due to its obsolete status, identifying equivalent substitute parts is necessary to maintain system functionality and ensure continued availability for replacement applications.

Substiute Parts

SPP-6K600

Eaton - Bussmann Electrical DivisionIn Stock: 904SPP-6K600 Datasheet

Current PartRFQ

170M5512

Eaton - Bussmann Electrical DivisionIn Stock: 889170M5512 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPP-6K600 is based on the following critical parameters:

• Current Rating: 600A (main part) vs. 630A (substitute)
• Voltage Rating: 700V (both parts)
• Mounting Type: Requires Holder (both parts)
• Manufacturer: Eaton - Bussmann Electrical Division (same manufacturer)
• Package Configuration: Fuse Link vs. Rectangular Blade form factor

The substitute part 170M5512 operates at the same voltage rating (700V) and requires holder mounting. The current rating difference (630A vs. 600A) represents a higher amperage capacity in the substitute, which is within acceptable substitution parameters for this product category when system design permits.

Parameter Comparison

Engineering Selection Recommendations

The 170M5512 is an active product from the same manufacturer, providing continuity of supply for applications requiring 700V fuse protection. The substitute part carries CSA and UR approvals, establishing compliance for regulated installations. The 630A rating of the 170M5512 exceeds the original 600A specification, making it suitable for applications where the system design accommodates this higher current capacity. Both parts share identical voltage ratings and holder-based mounting requirements, ensuring mechanical and electrical compatibility within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can the 170M5512 directly replace the SPP-6K600?

A: Both parts operate at 700V and require holder mounting. The 170M5512 has a 630A rating compared to the SPP-6K600's 600A rating. Direct substitution is permissible when system design allows for the higher current capacity.

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

A: The 170M5512 provides 30A additional capacity. This difference must be evaluated against circuit protection requirements and system design specifications to ensure appropriate fault protection.

Q: Are there mechanical compatibility concerns?

A: Both parts require holder mounting. The 170M5512 uses a rectangular blade configuration while the SPP-6K600 uses a fuse link configuration. Holder compatibility must be verified for the specific installation.

Q: What certifications apply to the substitute part?

A: The 170M5512 carries CSA and UR approvals with a 200kA breaking capacity at rated voltage, establishing suitability for regulated electrical and industrial applications.

Q: Why is the SPP-6K600 obsolete?

A: Product obsolescence reflects manufacturer discontinuation. The 170M5512 represents the active equivalent from Eaton - Bussmann Electrical Division for continued system support.