This is a leakage breaker from Kawamura Electric (kawamura). Model number: ZR153-125TLA-K Rated current: 125A Rated voltage: AC100/200V With single-phase 3-wire neutral wire missing phase protection This item was stored for on-site use and is almost new, unused or never energized/installed. [Included items] ・Main unit ・Terminals ・Terminal guard ・Terminal cover ・Instruction manual ・Mounting screws ※Everything in the photos is included. The outer box and accessory bag have some scratches from storage, but the main unit is in very clean condition. Please purchase this item if you have specialized knowledge. Please check the condition in the photos. Thank you.