LT340033 3 Pole 400A 600V The newest from Cutler-Hammer, State of the Art Electronic LS Digitrip 310+, install into LG frame, 3 pole, 400 ampere, long time pickup with long delay time/short delay time adjustment, approval ul, csa, applicable standard iec When installing trip unit, be sure bolts are seated to specified torque. CAUTION: Breaker will not work properly and will arc, flash and burn. Trip units not properly installed are not warranteed by the factory or breakeroutlet. Not all electricians or maintenance personelle are trained with this type of installations. Ask for assistance if needed.