Terminal Fused or Disconnect Blocks: Type - Fused Terminal Block; Configuration/Wiring - Single Tier 2-Circuit; Construction Style - IEC; Rating - Voltage - 600V; Rating - Current - 30A; Wire Range - 18-4 AWG; Model Type - WSI 25/1; Contact Style - Screw Clamp; Housing Material - Wemid; Housing Finish - Dark Beige; Mounting - DIN Rail, TS 35; Temperature Rating - max - 120 deg C (248 deg F); Temperature Rating - min - -50 deg C (-58 deg F); Block Width - mm - 18 mm; Block Width - in - 0.70"; Manufacturer Series - W-Series