UL 1077 Rated Terminal Block Supplementary Protectors (EURO Series) 
DN-FE series terminal block sockets accept separately available circuit disconnects or supplementary protectors.
EURO series mini single-pole UL 1077 supplementary protector breakers (DN-SUPP-xx), UL, CSA and VDE agency approvals
Disconnect Blade (DN-DIS-BLADE)
The DN-FE blocks are available either with or without a trip indicating LED.