Eaton 3MFS400RB ETN 3MFS400RB 400A 3PH MAIN FUSIBLE

Product Description

Eaton produces the 3MFS400RB, a 400 Amp main fusible switch suitable for three-phase applications. This switch is designed for installations in underground environments and meets NEMA 3R standards. The robust aluminum construction ensures durability while handling high current demands.

• Rated for 400 Amps at 120/208 Volts
• Three-phase operation with a four-wire setup
• Designed for bottom feed installations with barrier kits available

Product Highlights

This main fusible switch is ideal for electrical assemblies, panels, and original equipment manufacturers (OEM). It features an interrupt rating of 100 kAIC, making it suitable for high-load scenarios.

Product Information

Standard Information

• Brand: Eaton
• Manufacturer: Cutler-Hammer / Eaton

Technical Specifications

• Catalog Number: 3MFS400RB
• Amperage Rating: 400 Amp
• Voltage Rating: 120/208 Volt
• NEMA Size: 3R
• Enclosure Material: Aluminum
• Phase: 3
• Weight: 70 lb
• Width: 16.64 in
• Height: 15.25 in
• Length: 17.09 in
• Applications: Electrical Assemblies, Panels & EOEM
• UPC: 78684905363
• GTIN: 00786849053635
• Standard: UL Listed
• Wire Size: 300 kcmil
• Number of Wires: 4 Wire
• Feed Type: Bottom