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Eaton 800A Main Fusible Switch, Aluminum, NEMA 3R
The Eaton 800A Main Fusible Switch is a three-phase, aluminum-bus service entrance switch engineered for underground utility installations. Rated 120/208V with an 800A amperage rating and a 100 kAIC interrupt rating, this switch accepts Class T and Class L fuses and is housed in a NEMA 3R enclosure for outdoor and wet-location protection. It is UL Listed and built for reliable, code-compliant power distribution in commercial and multi-family metering applications.
Key Features
- Amperage Rating: 800A three-phase switch rated 120/208V for main service disconnect applications.
- Durable Construction: Aluminum bus bar construction delivers reliable current-carrying performance.
- Fuse Clip Type: Class T fuse clips are field-convertible to Class L by simply repositioning — no conversion kit is needed.
- Interrupt Rating: 100 kAIC interrupt rating supports high fault-current utility service applications.
- Feed Type: Bottom feed configuration suited for underground service entrance wiring.
- Wire Size: Accepts (4) #3/0 AWG-750 kcmil conductors across 4 wire positions.
- Enclosure: NEMA 3R enclosure rated for outdoor and underground installations.
- Dimensions: 20.17 in wide x 17.09 in deep x 47.7 in high, sized for accurate panel and pad placement.
Certifications & Compliance
- UL Listed
- NEMA 3R Rated Enclosure
- Utility Approved: NC - Dominion
Technical Specifications
- Number of wires: 4
- Department: Electrical
Typical Applications
- Underground Utility Service Entrances
- Multiple Metering and Commercial Distribution Equipment
- Outdoor and Wet-Location Installations
- Panelboard and Load Center Main Disconnects
- New Construction and Utility Service Upgrades
Why Eaton?
Eaton backs this main fusible switch with UL Listed certification, an aluminum bus, and a 100 kAIC interrupt rating for demanding underground service applications. Field-convertible Class T to Class L fuse clips simplify inventory and installation, while the NEMA 3R enclosure ensures dependable performance in outdoor environments. Eaton's engineering and utility approvals help ensure code-compliant, reliable power distribution for professional electrical installations.
Manufacturer Resources
Product Specs
- Product Width:
- 20.17 in
- Voltage Rating:
- 120/208V
- Amperage Rating:
- 800A
- Product Length/Depth:
- 17.09 in
- Fuse clip type:
- Class T, Class L
- Product Height:
- 47.7 in
- Phase:
- Three-phase
- Feed type:
- Bottom
- Interrupt rating:
- 100 kAIC
- Bus material:
- Aluminum
- Product Size:
- (4) #3/0 AWG-750 kcmil
- Number of wires:
- 4
- Utility approvals:
- NC : Dominion
- Configuration:
- NEMA 3R Enclosure
- Certifications:
- UL Listed
- Product Type:
- Fusible Switch
- Department:
- Electrical
- Product Material:
- Aluminum
- Listing:
- UL Listed
- Product Group:
- Wiring Devices