![[Yuken] — ASR1 AC Servo Motor Driven Pump (4.5 kW, 39.5 L/min, 21 MPa)](https://img.prosourcemro.com/2026/05/002-17-1024x789.png)
Servo Pumps
Yuken
[Yuken] — ASR1 AC Servo Motor Driven Pump (4.5 kW, 39.5 L/min, 21 MPa)
Family ID: YKN-ASR1-SERVO
'ASR' Series AC Servo Motor Driven Pumps (ASR1). Max flow: 39.5 L/min. Max working pressure: 21 MPa. AC servo motor output: 4.5 kW. Available in 1-displacement and 2-displacement types. Flow/pressure controlled to high precision by the dedicated AMSR controller. Configured-to-order (RFQ): supply voltage (no-code AC200V / 4 AC400V), port direction, solenoid valve coil voltage, electrical wiring type, function select (A standalone / B summation), parameter number.
2 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| ASR1-C-HX-12 | ASR1 servo pump, 4.5kW, 1-displacement (single), 21 MPa | Yuken | Series: ASR1 | Type: AC Servo Motor Driven Piston Pump (system: pump + AMSR controller + regenerative resistor) | Power Capacity Code: C (4.5 kW) | Displacement Type: X = 1-displacement (single) | Max Flow: 39.5 L/min | Min Control Flow: 1% | Flow Hysteresis/Repeatability: <=1% / <=1% | Flow Command Signal: 31.6 L/min/5V (max 39.5 L/min/6.25V) | Max Working Pressure: 21 MPa (code H) | Min Adjustable Pressure: 0.1 MPa | Pressure Command Signal: 17.5 MPa/5V (max 21 MPa/6V) | AC Servo Motor Output: 4.5 kW | Insulation Class: F | Cooling: Totally enclosed, self-cooled | Ambient: 0 to +40C (no freezing), <=80%RH (no condensation) | Mass (approx): 54 kg | Matched Controller: AMSR-C series | Design No: 12 | Options: Configured-to-order (RFQ): supply voltage (no-code AC200V / 4 AC400V), port direction, solenoid valve coil voltage, electrical wiring type, function select (A standalone / B summation), parameter number | Note: Maintenance/pump-only orders prefix 'N-' (function & parameter set to no-code) | ||
| ASR1-C-HW-12 | ASR1 servo pump, 4.5kW, 2-displacement (dual), 21 MPa | Yuken | Series: ASR1 | Type: AC Servo Motor Driven Piston Pump (system: pump + AMSR controller + regenerative resistor) | Power Capacity Code: C (4.5 kW) | Displacement Type: W = 2-displacement (dual) | Max Flow: 39.5 L/min | Min Control Flow: 1% | Flow Hysteresis/Repeatability: <=1% / <=1% | Flow Command Signal: 31.6 L/min/5V (max 39.5 L/min/6.25V) | Max Working Pressure: 21 MPa (code H) | Min Adjustable Pressure: 0.1 MPa | Pressure Command Signal: 17.5 MPa/5V (max 21 MPa/6V) | AC Servo Motor Output: 4.5 kW | Insulation Class: F | Cooling: Totally enclosed, self-cooled | Ambient: 0 to +40C (no freezing), <=80%RH (no condensation) | Mass (approx): 55 kg | Matched Controller: AMSR-C series | Design No: 12 | Options: Configured-to-order (RFQ): supply voltage (no-code AC200V / 4 AC400V), port direction, solenoid valve coil voltage, electrical wiring type, function select (A standalone / B summation), parameter number | Note: Maintenance/pump-only orders prefix 'N-' (function & parameter set to no-code) |
