Product Overview

The K30 Backward-Curved Range Hood Motor is an industrial-grade, single-phase AC centrifugal blower engineered for heavy-duty kitchen ventilation. systems requiring uncompromising thermal stability and high-pressure airflow. Encased in an industrial fire-retardant plastic housing compliant with stringent needle-flame standards, the unit features a highly specialized single backward-curved impeller. This aerodynamic configuration is optimized to deliver consistent extraction volumes even when pushing air through restrictive, high-resistance duct networks. Fortified with exceptional Class 180 winding insulation and an in-line thermal protector, the K30 is built to withstand prolonged thermal stress during continuous-duty cycles. With its highly adaptable 1-to-8 speed control matrix, this capacitor-less motor provides OEM manufacturers with a highly durable, adaptable core for next-generation, heavy-duty range hoods.

Key Benefits

Extreme Thermodynamic Endurance: Engineered with Class 180 (Class H) insulation, offering exceptionally high resistance to thermal degradation. This ensures a prolonged operational lifespan and reliable performance during continuous, heavy-duty extraction cycles.

High Static Pressure Capability: The single backward-curved impeller geometry inherently resists stalling, maintaining strong and stable volumetric airflow even in complex or highly restrictive exhaust ducting systems.

Rigorous Fire Safety Standards: The motor chassis is constructed from advanced fire-retardant plastic that successfully meets needle-flame testing standards, mitigating fire risks in commercial and high-end residential applications.

Acoustic & Vibration Control: The precision-balanced backward impeller delivers a low-noise operational footprint while significantly reducing mechanical vibration during high-speed extraction.

Variable Extraction Control: Features a universally compatible 1-to-8 speed variable matrix, allowing OEM engineers to map precise, energy-efficient airflow profiles tailored to specific heavy-duty appliance tiers.

Technical Specifications

Specification	Value
Model Series	K30 (1111 / 1115)
Motor Type	Single-Phase AC
Voltage	220 V – 240 V
Frequency	50 Hz – 60 Hz
Speed Settings	1 to 8 Speeds
Insulation Class	Class 180
Housing Material	Fire-Retardant Plastic (Needle-Flame Standard)
Impeller Configuration	Single (1) Impeller
Impeller Type	Backward-Curved
Thermal Protection	Integrated (Yes)
Capacitor	Not Included (No)
Compatibility	Universal Switch Compatible
Warranty	24 Months

Product Features

Backward-Curved Aerodynamics: Engineered with a single backward-curved impeller, this motor geometry inherently generates high static pressure. This ensures that volumetric airflow remains stable and powerful, preventing the motor from stalling even when exhausting through long, restrictive, or multi-bend ducting networks.

Class 180 Winding Insulation: Fortified with industrial-grade Class 180 (Class H) insulation, providing exceptional thermodynamic resilience. This allows the copper windings to operate safely under intense, continuous-duty thermal loads without degrading, making it ideal for heavy-duty cooking environments.

Needle-Flame Resistant Polymer Housing: The motor casing is injection-molded from an advanced, lightweight fire-retardant plastic that complies strictly with international needle-flame safety standards, eliminating the risk of combustion propagation within the appliance chassis.

Capacitor-Less Architecture: Designed without an internal capacitor, this configuration provides OEM electrical engineers with streamlined integration pathways, allowing for direct external capacitance control via proprietary appliance PCB switchboards.

Dynamic Variable Speed Control (1 to 8 Stages): The single-phase AC architecture supports a broad configuration matrix from 1 to 8 distinct RPM speeds. This flexibility allows manufacturers to map highly precise extraction curves for premium, multi-tiered ventilation systems.

Broad Voltage and Frequency Tolerance: Dual-rated for 50 Hz and 60 Hz operation within a 220V–240V envelope, allowing for seamless international distribution and eliminating the need for localized motor rewiring across diverse electrical grids.

Integrated Thermal Overload Protection: Features a built-in thermal protector that continuously monitors internal coil temperatures. In the event of temporary duct blockages or ambient heat spikes, the circuit safely interrupts and automatically resets, preventing catastrophic motor failure.

Applications

The exceptional static pressure capabilities and thermal stability of the K30 Series make it the primary choice for:

Heavy-Duty & Prosumer Range Hoods: Designed for high-output residential gas ranges that demand continuous, long-term extraction without thermal degradation.

Complex Architectural Ventilation: The backward-curved impeller is mandatory for high-density apartment blocks or custom homes requiring long, complex ducting runs where standard motors would stall.

Light-Commercial Kitchen Extraction: Suitable for localized workstation ventilation requiring consistent, uninterrupted heavy-duty airflow.

Extreme Ambient Temperature Regions: The Class 180 insulation provides a critical safety margin for appliances deployed in the Middle East and other high-heat geographical markets.

Why Choose This Product

For international procurement managers and HVAC engineers, the K30 (1111/1115) resolves the two most critical failure points in high-end appliance ventilation: airflow degradation in restrictive ducts and thermal burnout during extended use. The backward-curved impeller ensures that your range hood delivers the advertised suction power regardless of the end-user’s complex ducting setup. Simultaneously, the Class 180 insulation guarantees that the motor will outlast conventional models during continuous, heavy-duty operation. By integrating this durable, 1-to-8 speed motor, OEM brands can drastically reduce post-installation warranty claims while offering premium, highly reliable extraction solutions.

Why Choose This Manufacturer

Securing heavy-duty appliance components requires a manufacturing partner with absolute engineering control. Nam Avarane Sanaye Arvin Co. (Electro NASA) has been a primary industrial manufacturer of centrifugal blowers since 1999. We bypass the quality control inconsistencies of intermediary trading firms by managing the entire production and assembly lifecycle in-house. Operating strictly under ISO 9001:2015 Quality Management Systems and producing CE-compliant components, we routinely export over 30% of our capacity. We provide OEM buyers with documented export expertise, predictable lead times, and the financial stability necessary to fulfill high-volume, long-term global supply agreements.

Product Comparison

Parameter	Electro NASA K30 (1111/1115)	Conventional Market Standards	Procurement Impact
Impeller Geometry	Backward-Curved	Forward-Curved	Prevents airflow stalling in long or highly restrictive exhaust ducts
Thermal Insulation	Class 180 (Class H)	Class 130 / 155	Maximum protection against coil burnout during heavy-duty cycles
Housing Material	Needle-Flame Standard Polymer	Standard ABS Plastic	Ensures strict international fire safety compliance
Speed Configurations	Customizable (1 to 8 Speeds)	Fixed (Typically 3 Speeds)	Enables extensive OEM product tiering from a single SKU
Capacitor Integration	External / Capacitor-less	Internally Mounted	Streamlines proprietary PCB integration
Warranty Protection	24 Months Direct Factory	6 to 12 Months Limited	Minimizes early component failure costs

Quality Assurance & Manufacturing

To guarantee the heavy-duty thermodynamic and aerodynamic performance of the K30 series, every unit undergoes rigorous, multi-stage factory validation:

Extreme Thermal Load Testing: The Class 180 winding insulation and integrated thermal protectors are validated under simulated continuous-duty, high-heat scenarios to ensure uninterrupted long-term operation.

Static Pressure & Aerodynamic Mapping: Backward-curved impellers are tested against highly restricted simulated ducting to verify stable volumetric airflow and resistance to motor stalling.

Needle-Flame Compliance Verification: Material batches for the plastic housing undergo strict fire-retardant testing to ensure total compliance with international combustion safety standards.

Dielectric Withstand Testing (Hi-Pot): Ensuring the electrical architecture maintains absolute integrity and insulation safety under peak voltage stress.

Installation & Maintenance

Assembly Line Integration for OEMs: The K30 (1111/1115) Motor is designed for streamlined, high-volume manufacturing. The lightweight, needle-flame standard plastic housing reduces operator fatigue during assembly and minimizes the overall appliance weight without compromising structural integrity. Furthermore, the capacitor-less electrical architecture simplifies wiring protocols, allowing OEM engineers to route power directly through proprietary appliance control boards, eliminating the spatial constraints of internally mounted capacitors.

Maintenance Profile in Heavy-Duty Applications: Heavy-duty extraction environments typically require frequent servicing due to thermal burnout and grease particulate accumulation. The K30 inherently mitigates these issues. The aerodynamic geometry of the backward-curved impeller is naturally resistant to grease buildup and particulate imbalance compared to traditional forward-curved blades. Combined with the extreme thermodynamic resilience of the Class 180 insulation and the auto-resetting in-line thermal protector, the K30 operates with a near-zero maintenance footprint, significantly reducing post-sale warranty interventions for OEM brands.

FAQ

Why is a backward-curved impeller required for heavy-duty or complex range hood installations? Forward-curved motors typically lose suction volume and can physically stall when faced with the high static pressure of long, restrictive, or multi-bend exhaust ducts. A backward-curved impeller is aerodynamically engineered to overcome high static pressure, ensuring the range hood delivers consistent, powerful volumetric extraction regardless of the end-user’s complex ducting architecture.

What specific thermodynamic advantage does Class 180 (Class H) insulation offer? Class 180 insulation allows the motor’s copper windings to safely operate at extreme temperatures up to 180°C without risking thermal degradation. This is significantly more resilient than standard Class 130 motors, making the K30 essential for heavy-duty appliances installed over prosumer gas ranges where continuous, high-heat extraction cycles are mandatory.

How does the capacitor-less design benefit OEM appliance engineers? By omitting the internal capacitor, the motor provides a cleaner, more streamlined electrical interface. This allows your electrical engineering team to integrate the capacitance requirements directly into the appliance’s main electronic PCB or control board, optimizing internal space and centralizing the electrical architecture of the range hood.

Is the plastic housing safe for high-temperature commercial and residential extraction? Absolutely. The K30 casing is injection-molded from an advanced industrial polymer that strictly complies with international needle-flame testing standards. This fire-retardant material ensures complete combustion safety while offering a lighter overall component weight compared to metallic blowers.

Can the 1-to-8 speed settings be mapped to our proprietary electronic touch panels? Yes. The motor utilizes a highly adaptable single-phase AC configuration. OEM engineers can seamlessly map the distinct speed taps (from 1 up to 8 stages) to align precisely with proprietary capacitive touch interfaces, digital displays, or variable mechanical relays, providing extensive product tiering flexibility from a single SKU.

What assurances do international buyers have regarding supply chain stability and compliance? Electro NASA operates a highly scalable manufacturing facility (established in 1999) under strict ISO 9001:2015 Quality Management Systems. Our motors conform to CE and Iranian National Standards. With over 30% of our production dedicated to international export, we provide the dependable lead times, compliance documentation, and financial stability required for large-scale, long-term procurement contracts.

Trust & Export Procurement

Sourcing heavy-duty extraction components through third-party trading brokers often exposes OEMs to supply chain inconsistencies, rapid thermal failure rates, and elevated warranty claims due to inferior coil insulation. By partnering directly with Nam Avarane Sanaye Arvin Co. (Electro NASA), you eliminate these structural and logistical risks.

As a primary industrial manufacturer, we maintain absolute control over our engineering and assembly lines. We guarantee that the stringent Class 180 thermodynamic standards and precision aerodynamic balancing of the K30 motor remain consistent across your entire production volume. We understand the precise fluid mechanics and continuous-duty requirements that global OEM partners demand. From providing rapid prototype support to executing large-scale, international supply agreements, Electro NASA acts as a highly dependable, ISO-certified extension of your own manufacturing infrastructure.

Get in Touch

Request an OEM Quotation — Submit your projected annual volume and integration requirements to receive a comprehensive commercial pricing tier and production lead-time estimate.

Discuss Custom OEM Integration — Require specific speed mapping or PCB integration for your heavy-duty hood models? Consult directly with our technical sales engineers to optimize the K30 for your proprietary control boards.

Request Technical Data & Performance Curves — Accelerate your product development. Request dimensional drawings, backward-curved aerodynamic performance curves, and electrical schematics for immediate engineering validation.

Apply for Regional Distributorship — Expand your B2B component portfolio with premium, Class 180 backward-curved blowers. Contact our export division to explore exclusive international distribution agreements.