GTL240S Distribution Box 1,GT Model 2,Can install GE MCB 3,Metallic Material. 4,1.0-1.5mm Thickness. GTL240S Distribution Box GT 70 Amp 2/4 Circuit Main Lug Load Center These Load Centers are designed and built for faster installation and more dependable performance. UL Listed. Single-phase, Three-wire, 120/240 Volts ac. Factory Installed Main Lug. All holes are rated for 6-3 wire. 100% rated ...