ABB RG4640THPI — Fusable Bus Plug

Part numberRG4640THPI
BrandABB
DescriptionFusable Bus Plug
ManufacturerABB
Product TypeFusable bus plug
Product LineReliaGear
Part NumberRG4640THPI
UPC783175239401
ClassH class
Trip Current400 Amps
Voltage Rating480 or 600 VAC
Interrupting Rating10 kAIC
Phase3 phase
Wire4-wire
Spare Part/AccessoryYes
Operating Temperature32 to 104 degrees Fahrenheit
Max. Operating Humidity80% (Non-Condensing)
Storage Temperature32 to 122 degrees Fahrenheit
Max. Storage Humidity80% (Non-Condensing)

The RG4640THPI from ABB's ReliaGear series is a fusable bus plug capable of handling a trip current of 400 Amps. This unit supports voltage ratings of either 480 or 600 VAC and is designed for 3-phase, 4-wire systems.

Also written as

783175239401

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.

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