DESC: 200 qt. mixing capacity, 550 watts, 15,000 RPM. Includes ON/OFF (locking) and SAFETY buttons, plus a separate LOCK button to maintain mixer operation. Accepts BN 15Â', BL 18Â' and BXL 21Â' tubes. Each appliance is supplied with a bracket that mounts to the wall and holds the mixer when not in use. Blade removal tool includ-ed (tube on model TR250 is not removable). ON/OFF buttons and SAFETY buttons must be depressed together to start operation. Mixer stops when ON/OFF is released. Red plastic motor housing and all-stainless steel immersion tubes and beater arm. 120/50-60/ 1-phase. Cord supplied. Also available 220/50-60-1-phase. Bowl clamp also available. UL and NSF Listed.