NIB – Bussmann – FRS-R-400 – 400A Class Rk5 Dual Element Fuse The Eaton Bussmann series FRS-R fuse is rated at 400A. This non-indicating RK5 class fuse features blade end connections and offers high interrupt ratings. Product Name: Eaton Bussmann series FRS-R fuse Amperage Rating: 400A Interrupt Rating: 200 kAIC at 600 Vac 20 kAIC at 300 Vdc Response Time: 10 sec at 500% Voltage Rating: 600 Vac, 300 Vdc Class: RK5 Connection: Blade end x blade end Fuse Indicator: Non-indicating Number of Elements: Dual LiveWire Electrical Supply has been serving electrical distributors across the United States since 2005. With thousands of items in stock and ready to ship. LiveWire is the trusted need-it-now power distribution partner for leading electrical distributors for new-in-box circuit breakers, fittings, fuses, motor control and switchgear. We stock a $60+ million inventory of new-in-box, products across Square-D, Eaton, GE, Siemens, Allen-Bradley, Crouse-Hinds, Appleton, Bussmann, Hammond Power, and ACME. Through our core values of Customer First, Integrity, and Commitment to Premium Vendor Relationships, LWES is committed to your success.