




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
Marathon Special Products R100A2B is a Class R two-pole fuseblock rated 100 A at 250 V for panel-mount circuit protection. It features a phenolic base with box lug terminals and reinforced spring clips, accommodates Class R power fuses (accepts RK1 and RK5 rejection-type fuses), and carries UL, CSA, and CE approvals. DIN rail adapters and covers are available for installation flexibility; wire range supports 2/0â#14 AWG copper and 2/0â#12 AWG aluminum.
Panel-mount Class R fuseblock, phenolic body, box lug connections, 2-pole 100A/250V, UL/CSA/CE certified
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!


