Cut out diag. for 3? - 4W TTB Mounting : Dav Test Terminal Block are designed, for projection mounting suitable for front or back connection. Two holes of 5mm diameter on opposite sides are provided for panel fixing. Technical Data : Voltage Rating : 1100vCurrent Rating :50 Amp continuous at 50 degree CelsiusDiameter of Entries : 4mmTypes & Code No :Test Terminal Block for 3 phase 4 wire Front Connection, Link Type : 4LFTest Terminal Block for 3 phase 4 wire Back Connection, Link Type : 4LBTest Terminal Block for 3 phase 4 wire Front Connection, Screw Type : 4SFTest Terminal Block for 3 phase 4 wire Back Connection, Screw Type : 4SB ---------------------------------------------------------------------------------------------------------- Cut out diag. for 3? - 4W TTB Cut out diag. for 3? - 4W TTB Compact model Cut out diag. for 3? - 3W TTB Export Type TTB ---------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- Test Terminal Block | Cut out diag. for 3? - 4W TTB | Cut out diag. for 3? - 4W TTB Compact model || Cut out diag. for 3? - 3W TTB | Export Type TTB | | OMHB Discrepancy Switches | HRC Fuse Holders | Indicating Lamps | | Push Buttons & Contact Elements | Semaphore Indicator