Bosch Rexroth | SYDFEE1145RKB4-10V3CX2M-040
SYDFEE11/45RKB4-10V3CX2M-040
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The SYDFEE11/45RKB4-10V3CX2M-040 belongs to the SYD Hydraulic Control Systems series from Bosch Rexroth and is intended for precise pressure and flow regulation in automated hydraulic circuits. Its working displacement is 45 cm³, and the integrated electronics draw a nominal 24 VDC supply while presenting a 100 Ω load to the analog current input. The unit tolerates operating pressures up to 280 bar and delivers 68 l/min at 1500 rpm. Minimum shaft speed is 250 rpm, whereas the maximum speed with the volume set to its highest value is limited to 2600 rpm. A rotor inertia of 0.0033 kg·m² supports rapid speed changes, and the IP65 enclosure protects the assembly from dust and water spray.
The housing contains 1.0 l of hydraulic fluid for internal lubrication, and the drive shaft can accept axial forces to 1500 N. Flow increases to 117 l/min when the pump runs at rated speed, consuming 55 kW under those conditions; at 1500 rpm the power requirement is 32 kW. Torque capacity reaches 200 Nm under full pressure, and the permissible speed rises to 3100 rpm when displacement is reduced, improving power density in variable-volume operation. These characteristics allow the SYDFEE11/45RKB4-10V3CX2M-040 to integrate into presses, test stands, and other hydraulic automation equipment where stable output and high mechanical strength are required.
Technical Specifications
Analog Current Input Load
100 Ω
Displacement
45 cm³
Housing Filling Quantity
1.0 l
Max Axial Force
1500 N
Max Flow (1500 Rpm)
68 l/min
Max Flow (rated Speed)
117 l/min
Max Operating Pressure
280 bar
Max Power (1500 Rpm, 280 Bar)
32 kW
Max Power (rated, 280 Bar)
55 kW
Max Speed (reduced Vg)
3100 rpm
Max Speed (vg Max)
2600 rpm
Max Torque (Δp 280 Bar)
200 Nm
Minimum Speed
250 rpm
Moment Of Inertia
0.0033 kg·m²
Protection Class
IP65
Supply Voltage (nominal)
24 VDC
1620 Old Apex Road
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