Eaton SP/NOS-90 NOS fuse - 90 A cartridge fuse

Part Number: SP/NOS-90
Manufacturer
Eaton
Part number
SP/NOS-90

Quick Summary

Eaton SP/NOS-90 NOS fuse provides reliable overcurrent protection for electrical panels and motor circuits. In compact enclosures, protecting against nuisance trips and space constraints can derail protection design; this 90 A cartridge fuse offers consistent protection with minimal space. No specific SIL, CE, or IP certifications are listed for this model in the data, but it aligns with Bussmann series design practices widely accepted in industrial settings. Leveraging a compact footprint and silver-plated fuse caps, it delivers dependable performance with straightforward installation, reducing downtime and maintenance costs. This combination supports efficient procurement and dependable protection in modern industrial installations.

Product Information

Extended Description

SP/NOS-90 Eaton: Eaton Bussmann series NOS fuse, Cartridge fuse, 90 A
Product Name
Eaton Bussmann series NOS fuse
Catalog Number
SP/NOS-90
UPC
051712523110
Product Length/Depth
7.9 in
Product Height
1.34 in
Product Width
1.34 in
Product Weight
0.55 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
90 A
Special features
Silver-plated fuse caps
Feature → Business Impact → Application: The SP/NOS-90 delivers 90 A amperage rating as a cartridge fuse, enabling precise overcurrent protection for panels and motor circuits, reducing the risk of equipment damage and unplanned downtime. This translates to improved line uptime and predictable maintenance intervals in manufacturing environments where single-point protection matters. Application-wise, it fits standard Bussmann series protection schemes, streamlining replacement parts and simplifying maintenance planning for panel builders and OEMs. Feature → Compatibility and installation → The fuse’s design aligns with the Bussmann family, offering straightforward sourcing and common mounting practices. This reduces installation time and field engineering effort when upgrading or replacing protection in control panels, drive enclosures, and switchgear. Feature → Durability in harsh environments → Silver-plated fuse caps improve conductivity and resistance to oxidation, boosting reliable performance in environments with humidity or corrosive industrial atmospheres, while preserving contact integrity during high-current events. Application includes process plants, packaging lines, and automation cabinets. Feature → Compact footprint → Product Length/Depth 7.9 in, Product Height 1.34 in, Product Width 1.34 in, and weight 0.55 lb together enable efficient enclosure use and cleaner cable routing, aiding installers in crowded electrical rooms. This compactness supports retrofits and upgrades where space is at a premium, without compromising protection or accessibility. Feature → Documentation and reference cases → Access to the Bussmann series catalog and Eaton specification sheets aids engineers during design review and procurement, improving audit readiness and ensuring consistent protection strategies across multiple sites.

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FAQs

SP/NOS-90 is a 90 A cartridge fuse designed for Bussmann series protection devices and standard panel protection schemes. It is compatible with Eaton Bussmann catalogs and is easy to source as a replacement for compatible fuse holders in electrical enclosures, control panels, and motor control centers.
Key specs include a 90 A amperage rating, 7.9 in length, 1.34 in width and height, and a weight of 0.55 lb. The fuse features silver-plated caps for improved contact reliability. It is intended for cartridge fuse applications within Bussmann series protection families and typical panel protection layouts.
The product data highlights silver-plated fuse caps which aid conductivity and corrosion resistance, beneficial in humid or demanding environments. For broader protection against harsh conditions, verify enclosure ratings and ambient specs in your project documentation and ensure compatibility with your control panel environment.
The data lists Compliances as Not Applicable and does not specify SIL, CE, or IP certifications. While this means no listed certifications in the data, engineers should confirm site-specific regulatory requirements and consult Eaton/Bussmann catalogs for any regional or industry certifications relevant to their installation.
Using a standardized 90 A cartridge fuse from the Bussmann series simplifies procurement, reduces stocking complexity, and accelerates maintenance, leading to lower downtime and faster spares replacement. The compact footprint eases enclosure design, while silver-plated caps improve reliability, contributing to consistent protection and reduced repair costs over the system’s life cycle.