Terminal Fused or Disconnect Blocks: Type - Fused Terminal Block; Fuse Provision - 5x20, 5x25mm; Configuration/Wiring - Single Tier 2-Circuit; Construction Style - IEC; Rating - Voltage - 1000V; Rating - Current - 6.3A; Wire Range - 22-10 AWG; Model Type - CF4U; Contact Style - Screw Clamp; Housing Material - Polyamide 6.6; Housing Finish - Gray; Mounting - 32mm C Rail or 35mm DIN Rail; Temperature Rating - max - 105 deg C (221 deg F); Temperature Rating - min - -50 deg C (-58 deg F); Block Width - mm - 8 mm; Block Width - in - 0.31"; Manufacturer Series - CF Series