Ideal 358 300 Series Fuse Block, Amperage Rating: 30 AMP, Voltage Rating: 600 V, Number Of Fuses: 1, Phenolic, Filled, Flame Retardant Housing, Copper Alloy Contact, Steel Plated Screw, Mounting: Direct Mount (Flat Base), Size: 13/32 X 1-1/2 IN, Operating Temperature 302 DEG F