Eaton OLI365FWJC-0000 OEM Line Isolation Switch - UL Listed
Part Number: OLI365FWJC-0000
Quick Summary
The Eaton OEM Line Isolation Switch (OLI365FWJC-0000) is a rugged 400 A, 600 V three-pole device designed to safely disconnect power in industrial electrical systems. Maintenance teams often grapple with downtime and safety risks when isolation is unreliable; this switch addresses those challenges with a robust 304 stainless steel NEMA 4X enclosure and proven UL Listed compliance. Built for harsh environments, its corrosion-resistant body and fusible Class J configuration provide dependable protection while simplifying compliance for heavy industry applications. By combining reliable isolation with straightforward installation, it delivers business value through reduced downtime, improved safety, and long-term cost savings for OEMs and end users.
Product Information
Extended Description
OLI365FWJC-0000 Eaton: Eaton OEM line isolation switch, 400 A, 600 V, NEMA 4X, 304 stainless steel, Class J fusible, Fusible without neutral, Three-pole, Three-wire, (2)#1/0-(2)300 kcmil; or (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton oem line isolation switch
Catalog Number
OLI365FWJC-0000
UPC
786676034777
Product Length/Depth
50.15 in
Product Height
9.24 in
Product Width
21.3 in
Product Weight
100 lb
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
OEM line isolation switch
Amperage Rating
400A
Fuse class provision
Class J fusible
Voltage rating
600 V
OEM Line Isolation Switch (OLI)
OEM Line Isolation Switch (OLI)
OEM Line Isolation Switch (OLI)
OEM Line Isolation Switch (OLI)
OEM Line Isolation Switch (OLI)
Eaton Specification Sheet - OLI365FWJC-0000
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The OLI365FWJC-0000 delivers 400 A at 600 V in a three-pole, fusible without neutral configuration, enabling safe, high-current disconnection for large motors and process lines. Impact: reduces fault propagation risk and minimizes unplanned downtime, supporting higher equipment availability in manufacturing environments. Application: suitable for line isolation in metal, chemical, and packaging conveyors where reliable power shutdown is critical. Feature → Business Impact → Application: NEMA 4X enclosure in 304 stainless steel provides superior corrosion resistance and washdown durability. Impact: lowers maintenance costs and extends service life in harsh outdoor or wet environments. Application: ideal for outdoor substations, food & beverage facilities, and chemical plants. Feature → Business Impact → Application: Class J fusible configuration with fusible without neutral and wire-size options up to (2) 300 kcmil Cu/Al or (1) 750 kcmil Cu/Al. Impact: ensures proper overcurrent protection and flexible wiring for diverse switchgear configurations. Application: effective in heavy-duty feeders and panel boards with mixed conductor sizes. Feature → Business Impact → Application: large physical footprint (50.15 in L × 21.3 in W × 9.24 in H) and 100 lb weight. Impact: predictable space planning and robust handling during installation in constrained industrial layouts. Application: service disconnects in assembly lines or OEM switchgear enclosures where a dedicated isolation device is required. Feature → Business Impact → Application: UL Listed certification and 304 stainless steel construction. Impact: simplifies procurement compliance and supports long-term reliability in regulated industries. Application: plant-wide electrical safety programs, regulated facilities, and maintenance contracts.
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FAQs
The OLI365FWJC-0000 is a three-pole, three-wire fusible line isolation switch designed for heavy-current service. Wiring options support conductor sizes up to (2) 300 kcmil copper or aluminum per phase or a single configuration of (1) 750 kcmil Cu/Al. With a length of 50.15 in, width of 21.3 in, and height of 9.24 in, it is compatible with standard switchgear footprints and can be mounted in outdoor or indoor applications thanks to the NEMA 4X enclosure.
This model is rated for 400 A and 600 V, making it suitable for high-current line isolation in industrial facilities. The fuse configuration is Class J fusible and it is fusible without neutral, supporting reliable overcurrent protection for feeders and motor circuits. The three-pole, three-wire design aligns with typical commercial and industrial distribution schemes.
Yes. The enclosure is NEMA 4X and constructed from 304 stainless steel, providing corrosion resistance and washdown durability. UL Listed certification further supports suitability for harsh environments. It is well-suited for outdoor substations, food & beverage facilities, chemical plants, and other areas requiring rugged, service-disconnect capability with dependable protection.
The OLI365FWJC-0000 carries UL Listed certification, indicating compliance with safety standards for electrical devices. Its NEMA 4X enclosure with 304 stainless steel construction reinforces environmental protection and reliability in demanding settings. These certifications help simplify procurement, safety approvals, and regulatory audits for industrial installations.
Installation benefits include a clearly defined three-pole, three-wire configuration with robust housing that reduces field modifications. The 50.15 in length and 100 lb weight indicate a sturdy, service-durable unit that minimizes misalignment during installation. With Class J fusible protection and long service life, maintenance intervals are extended, lowering downtime costs and improving overall return on investment for industrial facilities.