UL Class Fuse, RK1 Class, Time-Delay, 500A, 250V AC, Indicating MPN:A2D500R
UL Class Fuse, RK1 Class, Time-Delay, 500A, 250V AC, Indicating
Protect your electrical systems with the Mersen A2D-R time-delay fuse, designed for heavy-duty applications. This UL Class RK1 fuse is rated for 500A and 250V AC, with an indicating feature to ensure easy identification of blown fuses. Its robust construction and dual-element design provide reliable performance and long lifespan. The A2D-R fuse is ideal for use in commercial and industrial settings, such as in electrical panels, switchgear, and motor control systems. Its time-delay feature helps prevent nuisance tripping, reducing downtime and increasing overall system efficiency. Compatible with various fuse block styles, this fuse is a reliable choice for demanding electrical applications.
Top product features:
- Time-Delay functionality to prevent damage from voltage surges
- Indicating feature to visually signal when the fuse has blown
- Interrupt Rating of 100kA at 250V DC and 200kA at 250V AC to safely handle high currents
Top product applications:
- Industrial control panels
- Motor control centers
- Power distribution units
Fuse, 500 A, 250 V AC, 250 V DC, Class RK1, A2D-R Series, Indicating, Time-Delay, Body Style Blade, Fits Fuse Block Style Rejection, Interrupt Rating 100kA at 250V DC, 200kA at 250V AC, Fuse Size 10-3/8 in L x 2-9/16 in dia, Length 10 3/8 in, Diameter 2 9/16 in, Equivalent Brand and Series Bussmann LPN-RK-SPI, Littelfuse LLNRK-ID, Mersen A2D-R, Equivalent Series A2D-R, LLNRK-ID, LPN-RK-SPI, Compatible Fuse Block Series 2HKRFB, Body Material Polyester, Dual Element
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 75 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.50
- Package Width: 2.50
- Package Height: 10.70
- Package Weight: 3.00
Product info last updated on February 7, 2026 2:30am UTC
Category: Fuses and Accessories