Terminal Fused or Disconnect Blocks: Type - Fused Terminal Block; Fuse Provision - 5x20mm; Configuration/Wiring - Single Tier 1-Circuit; Construction Style - IEC; Rating - Voltage - 500V; Rating - Current - 6.3A; Wire Range - 28-10 AWG; Model Type - ST 4-HESI (5X20); Contact Style - Spring Clamp; Housing Material - Polyamide; Housing Finish - Black; Mounting - 35mm DIN Rail; Block Width - mm - 6.2 mm; Block Width - in - 0.24"; Manufacturer Series - ST Series