Editorial Technical Reference

Pump Motor

This page explains how Pump Motor is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electric motor specifically designed to power pump mechanisms within air intake and pumping systems, converting electrical energy into mechanical rotation to drive impellers, pistons, or other pumping elements for fluid movement and pressure generation.

Product Specifications

Technical details and manufacturing context for Pump Motor

Definition
An electric motor specifically designed to power pump mechanisms within air intake and pumping systems, converting electrical energy into mechanical rotation to drive impellers, pistons, or other pumping elements for fluid movement and pressure generation. This product is a component intended for integration into pump assemblies, not a standalone pump. It is available in a range of configurations to suit various duty points, with rated power from 0.75 to 250 kW, rated voltage of 380 V AC ±10% (other voltages on request), and dual frequency capability of 50/60 Hz. The motor is typically a 4-pole design with speeds of 1450/1750 rpm, though other speeds are available. Efficiency class is IE3 as standard, with IE4 available on request. Insulation class is F, with class H optional. Protection degree is IP55, with IP65 available for harsh environments. Ambient temperature range is -20 to +40 °C, with derating above 40 °C. Mounting types include foot (IM B3), flange (IM B5), or combined (IM B35). Frame sizes range from 80 to 355 mm shaft height, and weight varies from 20 to 1500 kg depending on power and frame size. Noise level at 1 meter distance, no load, is 55 to 85 dB(A). All parameters are reference values that must be confirmed for the specific model and application. Standards listed (IEC 60034-1, IEC 60038, IEC 60034-30-1, IEC 60085, IEC 60529, IEC 60034-7, IEC 60072-1, ISO 1680) are procurement references; they do not imply certification or compliance of any particular unit. Verify all specifications with the legal manufacturer or supplier before purchase.
Working Principle
The motor converts electrical energy into rotational mechanical energy through electromagnetic induction. When alternating current flows through the stator windings, it creates a rotating magnetic field that induces a current in the rotor, producing torque. The rotating shaft connects to the pump's driving mechanism, such as an impeller or piston, causing fluid displacement and creating pressure differentials. The motor's design, including winding configuration and rotor construction, determines its speed-torque characteristics, which must match the pump's duty point for efficient operation.
Common Materials
Copper windings, Steel laminations, Aluminum housing
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Power0.75–250 kWSelect based on pump duty pointIEC 60034-1
Rated Voltage380 V AC ±10% VOther voltages available on requestIEC 60038
Frequency50/60 HzDual frequency capabilityIEC 60034-1
Speed1450/1750 rpm4-pole motor; other speeds availableIEC 60034-1
Efficiency ClassIE3IE4 available on requestIEC 60034-30-1
Insulation ClassFClass H optionalIEC 60085
Protection DegreeIP55IP65 available for harsh environmentsIEC 60529
Ambient Temperature-20–+40 °CDerating above 40°CIEC 60034-1
Mounting TypeIM B3 / IM B5 / IM B35Foot, flange, or combinedIEC 60034-7
Frame Size80–355 mmShaft heightIEC 60072-1
Weight20–1500 kgDepends on power and frame size
Noise Level55–85 dB(A)At 1m distance, no loadISO 1680

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Stator
    Stationary part containing windings that create rotating magnetic field
    Material: Electrical steel laminations with copper windings
  • Rotor
    Rotating part that converts electromagnetic force into mechanical rotation
    Material: Steel laminations with aluminum or copper conductors
  • Shaft Part
    Transmits rotational torque from motor to pump mechanism
    Material: Carbon steel or stainless steel
  • Bearings
    Support the rotating shaft and reduce friction
    Material: Steel with lubricated surfaces
  • Housing Part
    Protects internal components and provides mounting structure
    Material: Cast iron or aluminum alloy

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pump Motor.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 16 bar (standard), up to 40 bar (high-pressure variants)
flow rate: 0.5 to 500 m³/h (depending on pump type and motor size)
temperature: -20°C to 80°C (ambient), -10°C to 120°C (fluid)
Media Compatibility
✓ Clean water and aqueous solutions ✓ Light oils and hydrocarbons ✓ Mild chemical solutions (pH 5-9)
Unsuitable: Highly corrosive acids (e.g., concentrated sulfuric acid) without specialized metallurgy
Sizing Data Required
  • Required flow rate (m³/h or GPM)
  • System pressure/head (bar or psi)
  • Fluid properties (viscosity, density, temperature)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Lubrication breakdown due to contamination, overgreasing, or thermal degradation leading to metal-to-metal contact and eventual seizure
Winding insulation breakdown
Cause: Thermal overload from excessive current, voltage imbalance, or poor ventilation causing insulation degradation and short circuits
Maintenance Indicators
  • Abnormal high-pitched whining or grinding noise from motor housing indicating bearing wear
  • Excessive vibration or visible wobble in motor shaft during operation suggesting imbalance or misalignment
Engineering Tips
  • Implement precision laser alignment during installation and re-alignment after maintenance to reduce bearing loads and vibration
  • Establish infrared thermography monitoring program to detect abnormal heat patterns in windings and bearings before catastrophic failure

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5199:2016 - Technical specifications for centrifugal pumps ANSI/HI 1.1-1.6 - American National Standard for Rotodynamic Centrifugal Pumps DIN EN ISO 9906:2012 - Rotodynamic pumps - Hydraulic performance acceptance tests

Quoted from the published standard.

Manufacturing Precision
  • Shaft runout: ≤0.025mm
  • Motor frame mounting flatness: ≤0.1mm per 300mm
Quality Inspection
  • Vibration analysis per ISO 10816
  • Insulation resistance test per IEC 60034-1

Manufacturers of Pump Motor

12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Poocca Hydraulics (Shenzhen) Co., Ltd.
Shenzhen, Guangdong, CN
Founded 200680 staff8,000 square meters
GB/T19001-2016/ISO9001:2015
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “poocca pump motor”
View source page ↗ pooccahydraulic.com · checked 2026-08-22
Shijiazhuang Chongmu Fluid Machine Co., Ltd.
Hebei, CN
Also makes: Centrifugal Pump, Water Pump, Industrial Pumps and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Electric Pump Motor”
View source page ↗ cmzoompump.com · checked 2026-08-22
Donjoy Technology
Wenzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Twin screw pump with motor directly”
View source page ↗ cndonjoy.com · checked 2026-08-26
HANZHOU CANDID I/E CO.,LTD
Hangzhou, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Rear Oil Pump With Motor”
View source page ↗ china-equipments.com · checked 2026-08-28
Huifeng Motors
Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “JET Pump Motors”
View source page ↗ hfmotor.com.cn · checked 2026-09-13
iMotorcore
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Pump motor core”
View source page ↗ imotorcore.com · checked 2026-09-13
Jiangsu Super Hydraulics Co.,Ltd
Nanjing, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Pump & Motor Parts”
View source page ↗ super-hyd.com · checked 2026-09-08
Lam365
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Pump Motor Cores”
View source page ↗ lam365.com · checked 2026-08-31
Lammotor
Jiaxing, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Pump Motor Laminations”
View source page ↗ lammotor.com · checked 2026-08-31
Ningbo Flag-up Hydraulic Co., Ltd.
Ningbo, Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Pump&motor”
View source page ↗ flagup-hydraulic.com · checked 2026-09-08
Poocca Hydraulic (Shenzhen) Co., Ltd.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “rexroth pump motor”
View source page ↗ poocca.com · checked 2026-09-08
Target Hydraulics
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Hydraulic Pump and Motor”
View source page ↗ target-hydraulics.com · checked 2026-08-22
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Frequently Asked Questions

What is the typical power range for this pump motor?

The rated power ranges from 0.75 to 250 kW, but the exact value must be selected based on the pump duty point and confirmed with the manufacturer.

Can the motor operate at both 50 Hz and 60 Hz?

Yes, the motor has dual frequency capability of 50/60 Hz, with corresponding speeds of 1450/1750 rpm for a 4-pole design. Other speeds may be available on request.

What protection degree is standard?

The standard protection degree is IP55, but IP65 is available for harsh environments. Confirm the required protection with the supplier.

Are the listed standards certifications?

No, the standards (e.g., IEC 60034-1) are reference documents for design and testing. They do not guarantee that a specific motor is certified or compliant. Always verify compliance with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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