TLB series is a powder coat mild steel enclosed load break switch. It comes with line and load side terminal covers, as well as an opaque lift-off lid. This switch is designed for 3 ph AC applications with a voltage rating of 690 V. The current rating for AC21 A is 250 A, while the current rating for AC23 A is also 250 A. Additionally, the power rating for AC23 A is 138kW. The recommended cable size for this switch is 150 sq-mm. It has an IP65 protection rating and its dimensions are 300 W x 400 H x 210 D mm.