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The MPG-AA10VSO45DR30RF1V close-coupled unit is part of the MPGB-A10VSO Close-Coupled Motor Pumps series from Bosch Rexroth. It combines an axial piston variable displacement pump with a TEFC electric motor to supply controllable hydraulic power in automation circuits. The pump section delivers 45 cm³ per revolution, which allows a maximum flow of 76 L/min when the motor runs at its rated 1800 rpm. The motor operates on 230 or 460 V three-phase supply, and its frame follows the NEMA standard for straightforward interchange with industrial mounts. A female motor shaft mates directly to the pump coupling, minimizing alignment work and conserving installation space.
The hydraulic side uses a keyed pump shaft to transmit torque inside the housing while securing the rotor set against slip. Fluid enters through a 1.50 in Code 61 suction flange and exits the pressure side through a 1.00 in Code 61 flange for line connection to valves or actuators. Excess case oil is returned through an SAE 10 case drain port sized 7/8-14 UNF-2B, and system control lines can be tied to the SAE 04 DR port threaded 7/16-20 UNF-2B. These port selections simplify manifold design and keep pressure losses low during continuous duty.
Case Drain Port
SAE 10 (7/8-14 UNF-2B)
Displacement
45 cm³/rev (2.75 in³/rev)
Dr Port
SAE 04 (7/16-20 UNF-2B)
Max Flow
76 L/min (20 gpm)
Motor Enclosure
TEFC
Motor Frame Standard
NEMA
Motor Shaft
Female
Motor Speed
1800 rpm
Motor Voltage
230/460 V
Pressure Port
1.00 in Flange (Code 61)
Pump Shaft
Keyed
Pump Type
Axial Piston Variable Displacement
Suction Port
1.50 in Flange (Code 61)
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