Industry-Verified Manufacturing Data (2026)

Refrigerator Evaporator Fan Motor

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Refrigerator Evaporator Fan Motor used in the Manufacture of Domestic Appliances sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Refrigerator Evaporator Fan Motor is characterized by the integration of Stator Assembly and Rotor. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper winding wire construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Electric motor driving airflow across refrigerator evaporator coils

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Product Specifications

Technical details and manufacturing context for Refrigerator Evaporator Fan Motor

Definition
A compact electric motor specifically designed to power the fan that circulates cold air across the evaporator coils in domestic refrigerators and freezers. This component is critical for maintaining uniform temperature distribution throughout the appliance's storage compartments. It operates continuously during cooling cycles to ensure efficient heat exchange and prevent frost buildup. The motor must balance reliable performance with minimal noise and vibration in household environments.
Working Principle
Converts electrical energy into rotational mechanical energy through electromagnetic induction, spinning a fan blade assembly to create directed airflow across heat exchange surfaces.
Common Materials
Copper winding wire, Laminated silicon steel, PBT plastic housing, Stainless steel shaft
Technical Parameters
  • Rotational speed under load (RPM) Customizable
  • Operating voltage range (V) Customizable
Components / BOM
  • Stator Assembly
    Creates rotating magnetic field
    Material: Laminated silicon steel with copper windings
  • Rotor
    Rotates within magnetic field to produce torque
    Material: Steel laminations with aluminum conductors
  • Shaft
    Transmits rotational force to fan blades
    Material: Stainless steel
  • Bearings
    Supports shaft rotation with minimal friction
    Material: Sintered bronze or ball bearings
  • Housing
    Protects internal components and provides mounting
    Material: PBT plastic or aluminum
Engineering Reasoning
0.5-1.2 m³/min airflow at 1200-1800 RPM, 12-24 VDC, -30°C to +70°C ambient
Lubricant viscosity breakdown at 85°C, bearing clearance exceeds 0.05 mm, winding insulation breakdown at 150°C
Design Rationale: Grease separation and polymer chain scission at elevated temperatures (Arrhenius degradation), electrolytic corrosion from moisture condensation at dew point transitions
Risk Mitigation (FMEA)
Trigger Condensate ingress exceeding 0.1 ml/hour at evaporator coil interface
Mode: Stator winding inter-turn short circuit via electrolytic corrosion
Strategy: IP54-rated encapsulation with epoxy potting compound (UL94 V-0)
Trigger Ball bearing lubricant shear thinning below 40 cSt at operating temperature
Mode: Rotor eccentricity exceeding 0.3 mm causing stator-rotor contact
Strategy: PTFE-reinforced polyalphaolefin grease with 180°C drop point

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Refrigerator Evaporator Fan Motor.

evaporator blower motor refrigerator circulation fan motor cooling fan motor quiet refrigerator evaporator fan motor replacement copper winding evaporator fan motor 120V AC low noise refrigerator cooling fan motor PBT housing evaporator fan motor OEM stainless steel shaft refrigerator fan motor

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressurized environment)
other spec: Airflow rate: 50-300 CFM, Voltage: 115V AC ±10%, Humidity: 0-95% RH non-condensing
temperature: -40°C to +70°C
Media Compatibility
✓ Refrigerant-cooled air (R134a, R404A environments) ✓ Dry air in sealed refrigeration systems ✓ Low-particulate commercial/industrial air
Unsuitable: High-moisture condensing environments or direct liquid contact
Sizing Data Required
  • Required airflow (CFM) for evaporator coil
  • Available voltage and electrical characteristics
  • Physical mounting constraints and shaft dimensions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Lubricant degradation due to high humidity and temperature cycling, leading to increased friction and wear
Winding insulation breakdown
Cause: Moisture ingress and condensation forming on windings, causing short circuits and electrical failure
Maintenance Indicators
  • Unusual grinding or scraping noises from the motor housing
  • Reduced airflow from refrigerator vents despite normal compressor operation
Engineering Tips
  • Install a moisture-resistant seal around the motor housing to prevent condensation accumulation
  • Implement periodic infrared thermography inspections to detect abnormal heat patterns in motor windings before failure

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems IEC 60034-1:2022 - Rotating Electrical Machines UL 1004-1:2021 - Standard for Electric Motors
Manufacturing Precision
  • Shaft Runout: ≤0.05mm
  • Bearing Clearance: +0.01/-0.00mm
Quality Inspection
  • Vibration Analysis Test
  • Insulation Resistance Test

Factories Producing Refrigerator Evaporator Fan Motor

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Feb 17, 2026
★★★★★
"As a professional in the Manufacture of Domestic Appliances sector, I confirm this Refrigerator Evaporator Fan Motor meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 14, 2026
★★★★☆
"Standard OEM quality for Manufacture of Domestic Appliances applications. The Refrigerator Evaporator Fan Motor arrived with full certification. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Feb 11, 2026
★★★★★
"Great transparency on the Refrigerator Evaporator Fan Motor components. Essential for our Manufacture of Domestic Appliances supply chain."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

5 sourcing managers are analyzing this specification now. Last inquiry for Refrigerator Evaporator Fan Motor from Germany (1h ago).

Frequently Asked Questions

What is the typical lifespan of a refrigerator evaporator fan motor?

Properly installed evaporator fan motors typically last 7-12 years, depending on usage patterns and maintenance. Our motors feature copper windings and quality bearings for extended durability.

How do I know if my refrigerator evaporator fan motor needs replacement?

Common signs include reduced cooling efficiency, unusual noises (grinding or buzzing), frost buildup in the freezer, or the refrigerator not maintaining consistent temperatures. Always consult a technician for proper diagnosis.

Are these motors compatible with all refrigerator brands?

While our motors are designed to industry standards, compatibility varies by refrigerator model. Check specifications for voltage (V AC), shaft diameter (mm), mounting configuration, and electrical connections before purchasing.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Manufacture of Domestic Appliances sector.

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