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Created with Pixso. ElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air Motor

ElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air Motor

Brand Name: ElectroCraft
Model Number: E39AFG-3C
MOQ: 1 Piece
Price: Negotiable
Delivery Time: 3–7 Working Days
Payment Terms: T/T
Detail Information
Place of Origin:
CHINA&JAPEN
Brand:
ElectroCraft
Model:
E39AFG-3C
Part Number:
5209822
Product Type:
Reflow Oven Hot Air Motor
Motor Type:
Three Phase Induction Motor
Rated Voltage:
208/240V AC
Frequency:
50/60Hz
Rated Output:
1/8 HP
Application:
BTU Reflow Oven Hot Air Circulation System
Packaging Details:
CARTON
Supply Ability:
1000PCS/YEAR
Highlight:

ElectroCraft E39AFG-3C reflow oven motor

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SMT machine hot air motor

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5209822 BTU reflow oven motor

Product Description

ElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air Motor

The ElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air Motor is an industrial induction motor used to drive the hot-air circulation blower inside compatible BTU reflow soldering ovens. It is designed for 208/240V AC, three-phase, 50/60Hz operation, with approximately 1/8 HP output and high rotational speed suitable for continuous circulation applications.

During SMT reflow soldering, controlled airflow is essential for transferring heat evenly through each processing zone. The E39AFG-3C motor provides the mechanical rotation required by the blower assembly, helping maintain continuous convection inside the oven. It is suitable for maintenance replacement, preventive spare-part inventory, and repair applications where model E39AFG-3C or part number 5209822 matches the existing installation.

For accurate replacement, buyers should confirm the motor nameplate, voltage, shaft dimensions, mounting position, wiring configuration and original oven model before ordering.


Cause

Why a Reflow Oven Hot Air Motor May Need Replacement

Reflow ovens frequently operate for long production cycles under elevated-temperature conditions. The circulation motor can therefore experience gradual mechanical and electrical wear.

Common causes include:

Cause Possible Effect
Bearing Wear Increasing noise, vibration or unstable rotation
Long Operating Hours Gradual mechanical and insulation aging
High Temperature Increased stress on bearings and windings
Blower Contamination Higher mechanical load on the motor
Shaft Misalignment Vibration and premature bearing wear
Electrical Imbalance Motor heating or unstable operation
Loose Mounting Excessive vibration during operation
Damaged Blower Wheel Reduced airflow and additional motor load

Typical maintenance symptoms may include abnormal noise, excessive vibration, reduced airflow, unstable motor speed, overheating, slow startup or complete failure to rotate.

These symptoms should be checked carefully because airflow problems may also originate from the blower wheel, heater, filter, air duct, electrical supply or control system.


Solution

The ElectroCraft E39AFG-3C 5209822 provides a practical replacement solution when the original reflow oven motor has reached the end of its service life or no longer provides reliable circulation.

Correct motor replacement helps restore the blower system's mechanical drive and supports normal oven airflow.

Replacement Benefits

  • Helps restore stable blower rotation.
  • Supports continuous hot-air circulation.
  • Reduces problems caused by worn motor bearings.
  • Suitable for preventive maintenance inventory.
  • Clear model and part-number identification.
  • Simplifies maintenance purchasing.
  • Suitable for industrial SMT production environments.
  • Helps reduce unexpected oven downtime.

The replacement should always match the original electrical and mechanical configuration.


Specifications

Specification Details
Brand ElectroCraft
Model E39AFG-3C
Part Number 5209822
Product Type Hot Air Circulation Motor
Motor Type AC Induction Motor
Application BTU Reflow Oven
Rated Voltage 208/240V AC
Frequency 50/60Hz
Phase Three Phase
Rated Output 1/8 HP
Rated Current Approx. 0.6/0.5A
Rated Speed Approx. 2800/3400 RPM
Main Function Reflow Oven Blower Drive
Industry SMT PCB Assembly
Replacement Method Match Original Motor Specification

Key Identification Information

Check Item Recommended Verification
Motor Model E39AFG-3C
Part Number 5209822
Voltage 208/240V
Frequency 50/60Hz
Phase Three Phase
Output 1/8 HP
Shaft Compare with original
Mounting Compare hole positions
Wiring Confirm original connection
Oven Model Provide before ordering

A motor with similar external dimensions should not automatically be considered interchangeable. Electrical rating, shaft structure and mounting configuration must also match.


Application

The E39AFG-3C hot air motor is mainly intended for the circulation system of compatible BTU reflow soldering ovens.

Typical applications include:

SMT PCB Assembly Lines

Used in reflow ovens installed after pick-and-place equipment for solder paste reflow.

Electronics Manufacturing

Suitable for production environments manufacturing:

  • Automotive electronics.
  • Consumer electronics.
  • Industrial control boards.
  • Communication products.
  • LED assemblies.
  • Power electronics.
  • Electronic modules.
  • EMS contract manufacturing products.

Reflow Oven Maintenance

It can be kept as a maintenance spare for factories operating compatible BTU reflow ovens.

Machine Repair Projects

Suitable for replacement when the existing motor has bearing damage, electrical failure, unstable speed or mechanical deterioration.


How It Works

1. Three-Phase Power Energizes the Motor

The E39AFG-3C operates using a three-phase AC power supply. When electrical power is applied, the motor generates rotational force.

2. The Shaft Drives the Blower

The rotating motor shaft is mechanically connected to the associated circulation blower or fan assembly.

3. The Blower Moves Air

The blower pushes process air through the internal circulation path of the reflow oven.

4. Air Passes Through the Heating Area

Heating elements raise the air temperature according to the settings of each reflow zone.

5. Heated Air Circulates Around the PCB

The circulating air transfers thermal energy to the PCB, components and solder paste as the board passes through the oven.

6. Continuous Rotation Supports Thermal Stability

Stable blower rotation contributes to repeatable convection and predictable thermal transfer.

The motor itself does not regulate temperature. It works together with the oven heaters, sensors, controllers, blowers and air ducts.



ElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air MotorElectroCraft E39AFG-3C 5209822 BTU Reflow Oven Hot Air Motor

System Relationship

Component Main Function
Hot Air Motor Provides rotational drive
Blower Wheel Produces airflow
Heater Generates thermal energy
Air Duct Directs circulation
Temperature Sensor Detects oven temperature
Controller Regulates thermal conditions
Conveyor Transfers PCB assemblies
Exhaust System Removes process gases

This is why motor diagnosis should be combined with inspection of the complete circulation system.


How To Choose

1. Confirm the Exact Model

Check whether the original motor nameplate shows:

E39AFG-3C

Model identification should be the first comparison point.

2. Confirm Part Number

Verify whether the machine documentation or existing spare part references:

5209822

3. Check Voltage

The required reference is:

208/240V AC

A different voltage rating should not be installed without engineering confirmation.

4. Check Frequency

Confirm:

50/60Hz

Frequency directly affects induction motor operating speed.

5. Confirm Three-Phase Power

The motor is intended for a three-phase electrical configuration.

6. Compare Motor Speed

Reference speed is approximately:

2800/3400 RPM

A major speed difference can affect blower airflow and oven performance.

7. Compare the Shaft

Check:

  • Shaft diameter.
  • Shaft length.
  • Shaft end design.
  • Blower connection.
  • Rotation direction.

8. Compare Mounting Dimensions

Verify:

  • Mounting-hole spacing.
  • Motor body size.
  • Bracket structure.
  • Installation orientation.

9. Provide Machine Information

For more efficient confirmation, provide:

Information Recommended
Motor Model Required
Part Number Required
Oven Model Recommended
Machine Serial Number Recommended
Nameplate Photo Highly Recommended
Shaft Photo Recommended
Mounting Photo Recommended
Quantity Required

Providing these details can reduce the risk of ordering an incorrect motor.


Common Replacement Symptoms

Abnormal Motor Noise

Grinding or metallic noise may indicate bearing deterioration.

Increasing Vibration

Check the motor, shaft, mounting and blower balance.

Reduced Airflow

A motor with unstable or reduced speed may affect circulation.

Motor Overheating

Possible causes include mechanical resistance, incorrect voltage, bearing wear or electrical problems.

Failure to Start

Inspect the electrical supply, phase condition, wiring, motor winding and mechanical load before replacement.


Maintenance Recommendations

Regular inspection can help identify motor deterioration before a production interruption occurs.

Maintenance Item Suggested Check
Motor Noise Check for abnormal sound
Bearing Condition Check smoothness and movement
Vibration Inspect for excessive vibration
Motor Temperature Check abnormal overheating
Shaft Check wear and alignment
Blower Remove contamination if required
Wiring Inspect connections
Mounting Screws Confirm tightness
Airflow Compare with normal operation

Maintenance and electrical work should be performed by qualified technicians following applicable equipment safety procedures.


Why Accurate Replacement Matters

Selecting a reflow oven motor only according to appearance can lead to incorrect purchasing.

Two similar motors may differ in:

  • Voltage.
  • Current.
  • Phase.
  • Frequency.
  • Speed.
  • Output power.
  • Shaft diameter.
  • Shaft length.
  • Rotation direction.
  • Mounting pattern.
  • Electrical connection.

For this reason, the combination of ElectroCraft E39AFG-3C and 5209822 should be checked together with the physical motor configuration.


FAQ

Q1. What is the ElectroCraft E39AFG-3C 5209822 used for?

It is used to drive the hot-air circulation blower in compatible BTU reflow ovens, helping maintain continuous airflow through the thermal processing zones during SMT PCB soldering production.

Q2. What electrical specifications should be checked before ordering?

Verify 208/240V AC, 50/60Hz, three-phase operation, approximately 1/8 HP output and the original motor nameplate specifications before purchasing the replacement.

Q3. Can this motor fit every BTU reflow oven?

No. BTU ovens may use different motor configurations depending on machine model and revision. Always confirm model, part number, shaft, mounting dimensions, electrical specification and machine information.

Q4. What information should I send for compatibility confirmation?

Please provide E39AFG-3C, part number 5209822, required quantity, oven model, machine serial number, motor nameplate photo, shaft photo and installation photos whenever possible.

Q5. When should the hot air motor be replaced?

Replacement may be necessary when inspection confirms bearing noise, excessive vibration, overheating, unstable rotation, low blower speed, electrical failure or inability to start during normal oven operation.


Contact Us

For price, stock availability, delivery schedule or compatibility confirmation, please send the product model, part number, required quantity and original motor photos.

For BTU reflow oven maintenance projects, providing the oven model and machine serial number can help improve replacement-part identification accuracy. Bulk quantities and maintenance spare requirements can also be quoted according to your purchasing plan.