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Guang Dong Lihua Mechatronics Co.,Ltd 86-0769‌-8124525 sell02@hcsmotors.com
4123 BLDC 41mm 24V Water Pump Brushless DC Motor 6 Slot Low Noise Integrated Drive 20000 Hour Life

4123 BLDC 41mm 24V Water Pump Brushless DC Motor 6 Slot Low Noise Integrated Drive 20000 Hour Life

  • Highlight

    quiet 41mm water pump motor

    ,

    24V brushless pump motor 20000h

    ,

    low noise integrated drive motor

  • Motor Type
    Brushless DC Motor With Integrated PWM Drive Board
  • Rated Voltage
    24V DC (custom)
  • Stator Size
    41 Mm (custom)
  • Stator Slots
    6 Slots (custom)
  • Stator Resistance
    1.08 - 1.12 Ohm At 23-26 C
  • Stator Inductance
    980 +/- 30 UH
  • Polar Difference
    <= 0.01 Ohm
  • Shaft Diameter
    2 Mm (custom)
  • Rotor Structure
    Inner Rotor Permanent Magnet
  • Bearing Type
    Ball Bearing / Oil-impregnated, Per Duty
  • Noise Control
    6 Slot Low Ripple, Integrated Drive, Damped Bearing Fit
  • Service Life
    Up To 20000 Hours
  • Drive Board
    Integrated PWM Brushless Driver
  • Mounting Dimensions
    Per 2D Drawing, Pump Flange On Request
  • Customization
    Voltage, Speed, Torque, Resistance, Slots, PWM Drive Board
  • Place of Origin
    Dongguan, Guangdong, China
  • Brand Name
    Lihua Motor / HCS Motors
  • Certification
    ISO 9001, CE, RoHS, REACH
  • Model Number
    4123 BLDC
  • Minimum Order Quantity
    500 Pieces
  • Price
    Negotiation
  • Packaging Details
    Foam box or plastic box, export carton
  • Delivery Time
    30-45 days
  • Payment Terms
    L/C, T/T, D/A, D/P, Western Union,
  • Supply Ability
    50000 Pieces per Day

4123 BLDC 41mm 24V Water Pump Brushless DC Motor 6 Slot Low Noise Integrated Drive 20000 Hour Life

4123 Brushless Water Pump Motor 24V 41mm

6 slot stator on a 41mm frame with an integrated PWM drive board, built for continuous pump duty where noise, vibration and drive simplicity all matter.

Integrated PWM drive board6 slot low vibrationUp to 20000 hours

Design Focus: Low Noise and Long Life

Water pumps run for hours at a time, so the two things that decide field returns are noise and bearing life. The 6 slot concentrated winding on this 41mm stator keeps torque ripple low, which removes the low frequency hum that resonates through pump housings. The integrated PWM drive removes long motor leads and the electrical noise they pick up, and matched bearings plus tight rotor balance are what support the 20,000 hour rating.

1. Electrical Specifications

Rated voltage24V DC (custom voltage available)
Stator resistance1.08 - 1.12 Ohm at 23-26 C
Stator inductance980 +/- 30 uH
Polar difference<= 0.01 Ohm
Commutationbrushless PWM drive, CW / CCW
Drive boardintegrated PWM brushless driver
Service lifeup to 20000 hours

2. Stator & Winding Design

Stator slots6 slots (custom)
Stator size41 mm (custom)
Winding configuration3-phase concentrated winding
Winding turnson request
Wire diameteron request
Number of polesmatched to 6 slot layout
Winding connection3-phase PWM brushless drive

3. Mechanical Structure & Noise Control

Motor outer diameter41 mm
Motor lengthper 2D drawing
Shaft diameter2 mm (custom)
Rotor structureinner rotor permanent magnet
Bearing typeball bearing / oil-impregnated, per duty
Noise control6 slot ripple reduction, integrated drive, damped bearing fit
Mounting dimensionsper 2D drawing, pump flange on request
Operating temperature-20 C to +80 C

4. Customization Capabilities

Custom voltageWinding changed to 12V, 24V or your rated voltage
Custom stator sizeStator stack and diameter adjusted per pump head
Custom windingTurns, wire diameter and resistance set by drawing
Drive boardIntegrated or external PWM driver, speed feedback on request
Shaft and flangeShaft, impeller coupling and pump flange per drawing
OEM and ODM supportLogo, packaging and label per customer requirement

Need a quiet, long-life motor for your project?

Send us your target voltage, speed, load and duty cycle. We will confirm winding, bearing and driver options and return a sample plan within one working day.