EP-Automotive Power Steering Pump Driving Motor 130 Series
This Automotive Power Steering Pump Driving Motor 130 Series operates within a voltage range of 540-700 VDC and provides a peak output of 4.5 kW, achieving a 91.1% efficiency rate. With a maximum speed of 1500 RPM and a rated torque of 9.5 Nm, this motor is designed to deliver high performance under varied load conditions.
In terms of electrical characteristics, it operates with a rated current of 3.1 A and a low resistance of 2.8 ohms, ensuring minimal energy loss. The motor also supports a wide working temperature range from -15°C to 55°C, making it suitable for diverse operating environments. The motor is rated with an IP67 protection class, ensuring durability in challenging conditions.
1. Technical Specifications of Automotive Power Steering Pump Driving Motor 130 Series
| Model | 130ST-SNT220-010-15A | 130ST-SNT220-015-15A | 130ST-SNT380-015-15A | 130ST-SNT220-023-15A | 130ST-SNT380-023-15A |
|---|---|---|---|---|---|
| Controller Voltage Range (VDC) | 320-420 | 320-420 | 540-700 | 320-420 | 540-700 |
| Base Number | 130 | 130 | 130 | 130 | 130 |
| Rated Voltage (V) | 220 | 220 | 380 | 220 | 380 |
| Rated Power (kW) | 1 | 1.5 | 1.5 | 2.3 | 2.3 |
| Rated Torque (Nm) | 6.4 | 9.5 | 9.5 | 15 | 15 |
| Rated Speed (rpm) | 1500 | 1500 | 1500 | 1500 | 1500 |
| Rated Current (A) | 3.8 | 5.4 | 3.1 | 7.8 | 4.7 |
| Rated Efficiency (%) | 90.6 | 91.2 | 91.1 | 92.0 | 91.8 |
| Peak Power (kW) | 3 | 4.5 | 4.5 | 6.9 | 6.9 |
| Number of Poles | 10 | 10 | 10 | 10 | 10 |
| Back EMF (20°C) (V/krpm) | 107.5 | 113 | 198 | 118 | 197 |
| Phase Resistance (75°C) (Ω) | 1.28 | 0.902 | 2.8 | 0.524 | 1.52 |
| Phase Inductance (mH) | 19.3 | 15 | 46.8 | 10.5 | 29.4 |
| Electrical Time Constant (ms) | 7.54 | 8.31 | 8.36 | 10.02 | 9.67 |
| Torque Constant (Nm/A) | 1.7 | 1.77 | 3.09 | 1.92 | 3.19 |
| Protection Rating | IP67 | IP67 | IP67 | IP67 | IP67 |
| Insulation Class | H | H | H | H | H |
| Duty Cycle | S2-3min | S2-3min | S2-3min | S2-3min | S2-3min |
*Please consult the EVER-POWER engineering team for detailed 2D/3D drawings and customization options regarding the automotive power steering pump driving motor diagram.
1.5kW automotive power steering pump driving motor diagram
1.5 kW motor efficiency map and power factor map
| Controller Voltage Range (VDC) | 540-700 | Number of Poles | 10 |
|---|---|---|---|
| Frame Size | 130 | Back EMF (20℃) (v/krpm) | 198 |
| Rated Voltage (V) | 380 | Phase Resistance (75℃) (Ω) | 2.8 |
| Rated Power (kW) | 1.5 | Line-to-Line Inductance (mH) | 46.8 |
| Rated Torque (Nm) | 9.5 | Electrical Time Constant (ms) | 8.36 |
| Rated Speed (rpm) | 1500 | Torque Constant (Nm/A) | 3.09 |
| Rated Current (A) | 3.1 | Protection Class | IP67 |
| Rated Efficiency (%) | 91.1 | Insulation Class | H |
| Peak Power (kW) | 4.5 | Duty Cycle | S2-3min |
2. Product working principle, materials, and application scenarios
2.1. Working Principle of the 130 Series Motor
The working principle of the Automotive Power Steering Pump Driving Motor 130 Series revolves around the efficient conversion of electrical energy into mechanical energy to drive the hydraulic fluid within the power steering system. Unlike traditional belt-driven pumps that parasitically drain engine power, this motor is an independent unit controlled by the vehicle's ECU. It utilizes Permanent Magnet Synchronous Motor (PMSM) technology, which employs high-strength permanent magnets in the rotor to create a constant magnetic field. When the stator windings are energized by the inverter, a rotating magnetic field is generated, causing the rotor to spin in synchronization.
This synchronous operation ensures precise speed control and high torque density. When the driver turns the steering wheel, sensors detect the torque and speed of the input. The system controller then commands the power steering motor to spin at the exact RPM required to generate the necessary hydraulic pressure via the attached pump. This "on-demand" functionality means the motor consumes minimal energy when the vehicle is driving straight, drastically improving the overall energy efficiency of the electric vehicle. The 130 Series is engineered to handle rapid changes in load, providing instant torque to assist steering maneuvers, ensuring safety and comfort for the driver.
2.2. Material & Robust Construction
The durability of an automotive power steering pump driving motor replacement unit is defined by the quality of its materials. EVER-POWER utilizes premium-grade materials to ensure the 130 Series withstands the harsh operational environments of commercial vehicles. The stator core is manufactured from high-permeability cold-rolled silicon steel laminations, which significantly reduce eddy current losses and improve magnetic efficiency. The winding wire is composed of high-purity copper with Class H insulation enamel, capable of resisting temperatures up to 180°C, preventing thermal breakdown during peak load operations.
The rotor features high-grade Neodymium Iron Boron (NdFeB) rare-earth magnets, selected for their exceptional magnetic field strength and resistance to demagnetization at high temperatures. The motor housing is cast from high-strength aluminum alloy, which provides a lightweight yet rigid structure that excellent thermal conductivity for heat dissipation. To achieve the IP67 protection rating, all mating surfaces are sealed with automotive-grade silicone gaskets and high-performance shaft seals, effectively preventing the ingress of dust, road salts, and water. This meticulous material selection ensures that the power steering pump driving motor for EV applications delivers a long service life with minimal maintenance requirements.
2.3. Application Scenarios
The versatility of the EP-Automotive Power Steering Pump Driving Motor 130 Series makes it the preferred choice across a wide spectrum of new energy commercial vehicles. Its primary application lies in Electric Buses and Public Transit Vehicles, where reliability and noise reduction are paramount. The quiet operation of our motor enhances passenger comfort, while its high efficiency supports the extended range requirements of daily city routes. It is also extensively used in Electric Logistics Trucks and Delivery Vans, providing the necessary steering assist for maneuvering heavy payloads in tight urban spaces.
Beyond standard road vehicles, the 130 Series serves as a robust power steering pump replacement solution for specialized industrial machinery, including electric forklifts, municipal street sweepers, and airport ground support equipment. These applications often require motors that can endure stop-and-go cycles and exposure to outdoor elements. The 130 Series’ high torque output is also ideal for retrofitting older hydraulic steering systems in vehicle electrification projects, allowing fleet operators to modernize their assets with cleaner, more efficient technology. Whether for OEM assembly or aftermarket automotive power steering pump driving motor replacement, EVER-POWER provides a solution that adapts to diverse operational demands.
3. Advantages and Features of the Automotive Power Steering Pump Driving Motor 130 Series
The 1.5kW permanent magnet synchronous motor is designed for electric vehicles, offering a range of advanced features. This motor operates within a voltage range of 540-700V and delivers a nominal power output of 1.5kW with a maximum torque of 9.5Nm. It provides consistent high efficiency, with a peak efficiency of 91.1%, making it a reliable choice for electric vehicle applications. The motor operates at a speed of 1500 rpm, providing a robust power delivery. The current at nominal power is 3.1A, ensuring efficient performance. Additionally, the motor is equipped with IP67 protection, ensuring that it is dust-tight and can withstand water immersion to a certain depth, providing excellent durability in various environmental conditions. This motor also boasts a high-performance power factor, ensuring efficient energy use. Furthermore, the motor’s compact design, with a size of 130mm in diameter and 170mm in length, makes it a versatile and space-efficient option for electric vehicle integration. The motor operates under an S2-3min duty cycle, suitable for most short-term applications.
4. How to install the Automotive Power Steering Pump Driving Motor 130 Series
Motor Mounting: Secure the motor onto the mounting base, ensuring that it aligns with the provided specifications. For the 1.5 kW model (130ST-SNT380-015-15A), it operates within a voltage range of 540-700 VDC and a rated speed of 1500 RPM. The motor has a rated current of 3.1 A and an efficiency of 91.1%. Ensure that the motor is fixed at the appropriate mounting points as per the design.
Electrical Connections: Connect the motor’s power input and control wires. For the 1.5 kW version, the recommended wiring is 540-700 VDC with the appropriate power rating (3.1 A). The connection should be handled with care, ensuring secure and correct wiring to avoid electrical failures.
Cooling: Make sure the motor operates within the temperature range of -15°C to 55°C, as per the specifications. The motor uses natural cooling to maintain optimal performance, ensuring efficient heat dissipation during operation.
Protection Class: The motor is rated IP67, offering protection against dust and water ingress, making it suitable for various automotive applications, especially in challenging environments.
Testing: Once installation is complete, verify the motor's operation under controlled conditions, ensuring it meets the required power and performance metrics, including maximum torque of 9.5 Nm and a peak power rating of 4.5 kW.
5. About EVER-POWER
At EVER-POWER, we are the Automotive Power Steering Pump Driving Motor manufacturers. We have a team of over 800 dedicated employees, including more than 100 professional technical experts who form our elite R&D team focused on new energy vehicle motor and control technologies.
We have advanced simulation tools to optimize all aspects of motor power consumption and mechanical performance. Our manufacturing system is equipped with high-speed stamping machines, continuous vacuum impregnation equipment, and automated assembly lines. We hold ISO9001 and IATF16949 quality certifications, ensuring that every product meets the highest automotive industry standards.
Our products, including automotive power steering pump drive motors, air compressor motors, and servo drives, are widely used in the main drive systems, air conditioning systems, and steering assist systems of new energy vehicles worldwide.
Why Choose EVER-POWER?
- 30+ Years of Manufacturing Excellence
- Elite R&D Team with 100+ Experts
- Comprehensive ISO Quality Management
- Global OEM/ODM Capability
6. Related Products
Gearboxes
Precision gearboxes and transmission components compatible with our motor series for industrial automation.
FAQ
Q1. What are the primary benefits of using a power steering pump driving motor for EV buses in urban transport?
A1. Using a dedicated power steering pump driving motor for EV buses offers significant energy savings because it operates on-demand rather than continuously. This extends the bus's battery range, reduces noise pollution in urban environments, and provides smoother steering control for drivers navigating tight city streets.
Q2. How does the Automotive Power Steering Pump Driving Motor 130 Series handle heat dissipation during heavy-duty cycles?
A2. The 130 Series is designed with a high-grade aluminum alloy housing that acts as an efficient heat sink. Combined with Class H insulation materials that withstand high temperatures, the motor effectively manages thermal loads even during continuous heavy-duty cycles, ensuring reliability without overheating.
Q3. Can I use the 130 Series as a direct automotive power steering pump driving motor replacement for older hydraulic systems?
A3. Yes, the 130 Series is an excellent candidate for automotive power steering pump driving motor replacement in retrofit projects. Its standard flange interface and compact 130mm frame allow it to be integrated into many existing chassis layouts, upgrading the vehicle to a more efficient electrified steering system.
Q4. Which specific industries or vehicle types are most suitable for the SNT380-023-15A motor model?
A4. The SNT380-023-15A model, with its 380V input and 2.3kW power, is ideally suited for heavy commercial electric vehicles such as logistics trucks, sanitation trucks, and medium-sized electric buses. It provides the high torque necessary for steering heavier payloads effectively.
Q5. What makes EVER-POWER a reliable automotive power steering pump drive motors manufacturer for international OEM partners?
A5. EVER-POWER stands out as a reliable automotive power steering pump drive motors manufacturer due to our 30 years of experience, massive 80,000 sqm production capacity, and strict ISO quality control. We offer customizable solutions and have a proven track record of supplying major new energy vehicle brands globally.
Q6. Does the IP67 protection rating guarantee the motor can survive water submersion in flood-prone areas?
A6. The IP67 rating ensures the power steering motor is dust-tight and can withstand temporary immersion in water up to 1 meter deep for 30 minutes. While it protects against heavy rain, road splash, and brief flooding, sustained deep underwater operation is not recommended without additional specialized sealing.
Q7. Where can I find the wiring of the automotive power steering pump driving motor for installation and integration?
A7. For the specific automotive power steering pump driving motor diagram, including pinout definitions and mounting dimensions, please contact our technical support team. We provide detailed CAD drawings and manuals to ensure seamless integration with your vehicle's electronic control system.
Q8. How does the maintenance schedule of this electric motor compare to traditional belt-driven steering pumps?
A8. This electric Automotive Power Steering Pump Driving Motor is virtually maintenance-free compared to belt-driven pumps. It eliminates the need for belt replacements, tension adjustments, and fluid checks associated with engine-driven pumps, significantly lowering long-term operational costs for fleet owners.
Q9. What is the expected lifespan of the 130 Series motor under normal urban driving conditions?
A9. Designed for durability, the 130 Series motor typically offers a lifespan exceeding 20,000 operating hours under normal urban driving conditions. Its brushless design and high-quality bearings reduce wear and tear, ensuring it lasts the vehicle's service life in most commercial applications.
Q10. When should I consider a power steering pump replacement for my electric forklift fleet?
A10. You should consider a power steering pump replacement if you notice increased steering effort, unusual noise, or if the current motors are overheating frequently. Upgrading to the high-efficiency 130 Series can restore precise control and reduce energy consumption for your electric forklift fleet.
Additional information
| Edited by | PXY |
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Product Quick Detail:
- Standard and non-standard available
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Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.
Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port
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