Lamb 116213 ametek motor is a very common motor in many central vacuum brands and models. 116213 motor is a Lamb Ametek original motor. Specifications: Operating Voltage: ~240 v AC; Fan System:2 stage; Size: 5.7" (145 mm) diameter; Bearings: Double ball bearings. Physical Parameters: Max Amp: 5.0; Max R.P.M.: 24,160; Cycle: 50/60 Hz; Suction (in. H20): 97.4; Air Flow (cfm): 99.1; Air- Watts: 304; Input Power (watt): 1100; Max. Efficiency: 28%.