Eaton 7.2WKNHO22X200 Motor Fuse - BS 2692-1 Back-up
Part Number: 7.2WKNHO22X200
Quick Summary
The Eaton Bussmann series medium voltage motor fuse is a reliable motor protection device for medium-voltage drives. In busy industrial environments, nuisance trips and unplanned downtime can erode productivity and inflate maintenance costs. This product achieves BS 2692-1 compliance and is designed for up to 360 A at 7.2 kV, featuring a two-barrel back-up construction for selective protection. It also integrates with standard fuse clips and mounting practices, simplifying installation and asset standardization. By combining robust electrical protection with straightforward deployment, this fuse supports safer operations, reduced downtime, and a lower total cost of ownership while aligning with core motor-protection workflows and industrial safety expectations.
Product Information
Extended Description
7.2WKNHO22X200 Eaton: Motor fuse-link, medium voltage, 360 A, AC 7.2 kV, 76 x 403mm, back-up, BS, with striker
Product Name
Eaton Bussmann series medium voltage motor fuse
Catalog Number
7.2WKNHO22X200
UPC
051712277549
EAN
5027590054751
Product Length/Depth
403 mm
Product Height
76 mm
Product Width
76 mm
Product Weight
0.001 g
Warranty
Not Applicable
Compliances
BS 2692-1
Amperage Rating
360 A
Voltage rating
7.2 kV
Application
Motor protection
Barrels
2
Class
Class back-up
Construction size
76 x 403 mm
Fuse indicator
Non Indicating
Fuse type
WKNH
Used with
A3354730 Nickel-plated copper fuse clip
Packaging type
Standard
Type
fuse
7.2WKNHO2 2X200~7-2WKNHO22X200~7.2KV 2 X 200A MOTOR START FUSE
7.2WKNHO2 2X200~7-2WKNHO22X200~7.2KV 2 X 200A MOTOR START FUSE
Feature → Business Impact → Application: High current and voltage rating enable robust motor protection for demanding drives, reducing nuisance trips and prolonging motor life in light to heavy industrial cycles; ideal for medium-voltage motor circuits in manufacturing plants. Feature → Business Impact → Application: Back-up class, WKNH fuse type provides selective protection with rapid fault isolation, minimizing collateral damage to drive trains and downstream equipment; perfect for motor starters and starter-fuse assemblies in steel, mining, and process industries. Feature → Business Impact → Application: BS 2692-1 compliance supports regulatory alignment and safer maintenance routines; efficient inspection and service planning in electrical protection panels. Feature → Business Impact → Application: Compatibility with A3354730 nickel-plated copper fuse clips enables straightforward retrofits and standardized installations across Eaton Bussmann series products; reduces supplier diversity and stocking complexity in maintenance depots. Feature → Business Impact → Application: Compact construction at 76 x 403 mm and two-barrel design streamline panel layout and wiring, improving installation efficiency and enabling scalable protection across multi-motor systems in water treatment, pulp & paper, and material handling. These benefits address common objections about downtime, regulatory gaps, and integration workload while delivering measurable reliability and cost efficiency.
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FAQs
This motor fuse is a two-barrel back-up type (WKNH) designed for use with the Nickel-plated copper fuse clip A3354730. For installation, mount in standard fuse holders with the 76 x 403 mm body footprint, ensuring correct alignment with clips and safe clearance. Verify electrical ratings (360 A, 7.2 kV) match the protected motor circuit and integrate with BS 2692-1 compliant panels.
Key specs include an amperage rating of 360 A and a voltage rating of 7.2 kV, with a construction size of 76 x 403 mm and two barrels. It is a back-up class fuse of type WKNH, designed for motor protection in medium-voltage applications and documented under BS 2692-1 compliance.
Yes, the 7.2WKNHO22X200 is engineered for motor protection in medium-voltage drives and motor starters, delivering 360 A at 7.2 kV. Its BS 2692-1 compliance supports safety and reliability in harsh industrial settings, making it suitable for mining, metals, and manufacturing facilities where consistent fault isolation reduces downtime.
The product lists BS 2692-1 compliance as its primary certification. CE, SIL, or IP ratings are not shown in the provided data; for full regulatory markings and applicability to specific regions, consult Eaton’s official catalogs or technical support to confirm additional certifications relevant to your project.
By delivering reliable motor protection at high voltage and current, this fuse reduces unplanned outages and maintenance overhead. Its compatibility with standard clips and clear mounting footprint simplifies stocking and replacement, contributing to lower lifecycle costs and faster repair times in busy industrial environments.