PowerMark Gold convertible load centers arrive as main lug, but have the capability to have a main breaker installed. All ABB load centers are rated up to 60 degree/75 degree centrigrade and is suitable for use with service entrance equipment when installed in accordance with electrical code. The TLM812RCU features space for 8, 1" breakers, 125 A bus ampere rating, a copper bus, and an outdoor suitable enclosure. Specifications 1" Space 8 1/2" Space 16 Amperage 125 A Circuit Breaker Style Plug-In Device type Main Lug Door Yes Enclosure Outdoor Enclosure Type Outdoor, Surface Mount Factory Installed Ground Kit No Feed Either Input/Output Voltage 120/240V ac Interrupting Capacity Rating 65 Load Center Type Standard NEMA Rating NEMA 3R Phase 1 Phase Service & Voltage 1 Phase, 3 Wire, 120/240V ac Wires 3 Wire Classifications UL/CUL Listing UL