What is the motor type and speed control method?

It uses an EC Brushless External Rotor Motor with 0-10VDC/PWM speed control and tach output capabilities.

What are the dimensions and weight of the fan?

The dimensions are 310mm x 150mm, and the weight is 0.75KG.

What certifications does this product hold?

The product is certified with RoHS, ISO, CE, and CCC standards.

310mm 48V Centrifugal Blower with Ec Motor

Name: 310mm 48V Centrifugal Blower with Ec Motor
Brand: PBM Motor and Fan (Suzhou) Co., Ltd.
SKU: 1983720292

Jiangsu, ChinaPBM Motor and Fan (Suzhou) Co., Ltd.

US$78.67

100-999 Pieces

US$74.73

1,000+ Pieces

Sample price:US$81.95/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

Stainless Steel

Model NO.

PB3N310B48H

Type

Centrifugal Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE, CCC

Name

Ec Industrial Forward Centrifugal Fan

Motor Type

Ec Brushless External Rotor Motor

Bearing Type

Ball Bearing

Fan Feature

0~10VDC/PWM Speed Control, Tach Output

Transport Package

Standard Exporting Package

Trademark

PBM

Origin

Suzhou, Jiangsu

HS Code

8414599050

Production Capacity

50, 000PCS/Year

Key features

High Efficiency EC Motor: 80% efficiency, uses less than half the electricity of traditional motors for lower operating costs.

Advanced Speed Control: Supports 0-10VDC/PWM speed control and tach output for precise integration and optimization.

Robust Protection System: Features over-current, reverse polarity, over-voltage protection, and 72-hour locked-rotor safety.

Durable Construction: Aluminum impeller with stainless steel blades, NMB ball bearings, and black coated rotor.

Wide Application Scope: Suitable for HVAC, refrigeration, IT data centers, automotive, and medical industries.

Flexible Customization: Offers full, minor, and flexible customization options from samples or designs.

Certified Quality: Complies with RoHS, ISO, CE, and CCC standards for global market access.

Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.

Company profile

High Repeat Buyers ChoiceFast DeliveryCustomization from SamplesQuality Assurance

PBM Motor and Fan (Suzhou) Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier focuses exclusively on EC fan and intelligent energy-efficient motor and fan solutions. It offers ODM services, multiple forms of customization, and reports new products within the past year, but does not provide 3D software design services or SDKs. Production data lists capacities for five fan categories and two production lines, while the supplier states that it is expanding semi-automatic and automatic assembly capabilities. Quality and service procedures are documented with follow-up records, and ISO 9001, ISO 14000, and ISO 45001 systems are referenced. However, the supplier lacks in-stock, overseas warehouse, overseas showroom, overseas agent or branch capabilities, and has no valid manufacturing-capacity contract with related subcontractors. Financial credibility and customer cases are insufficiently evidenced.

Supplier typeThe supplier describes itself as focused exclusively on EC fans and intelligent energy-efficient motor and fan solutions. Its stated operations include motor and fan assembly lines and related production equipment, indicating a specialized manufacturer rather than a general trading supplier.

CertificationsThe supplier states that it has adopted an ISO 9001 Quality Management System for ten years and is adopting ISO 14000 Environmental Management and ISO 45001 Occupational Health and Safety Management systems. The slices do not provide certificate numbers, validity dates, or scope details, but they explicitly identify these management systems.

After-Sales capabilityThe supplier has documented corrective/preventive action and customer-complaint procedures with follow-up records, and describes an agent/distributor network and online service team supporting technical and after-sales needs. However, it reports no overseas agents or branches, overseas warehouse, overseas showroom, or in-stock service capacity, limiting the demonstrated breadth of physical after-sales support.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and provides customization from samples, designs, and full or minor requirements. It does not provide 3D software design services and has no available SDK, so innovation capability is demonstrated mainly through product development and engineering customization rather than software tools.

Production capacityReported annual capacities are 10,000 DC axial fans, 50,000 centrifugal fans, 5,000 single-inlet centrifugal blowers, 8,000 dual-inlet centrifugal blowers, and 80,000 EC fans, supported by two production lines and ongoing investment in automated assembly. Constraints include no valid manufacturing-capacity contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is reinforced by its stated R&D and design-service capabilities, although no 3D software design service is available.

Product Q&A

Q:What are electronically commutated (EC) motors?

EC motors are brushless DC motors where current direction is switched via electronic controllers. They offer variable speed control without the drawbacks of traditional brushes.

Q:What are the main advantages of EC motors?

They provide 80% high efficiency, use less than half the electricity of induction motors, run cooler for longer life, and allow software-controlled speed and features.

Q:How do EC motors contribute to sustainability?

They reduce carbon emissions through energy savings and use 70% less copper and 80% less steel than traditional motors, minimizing environmental impact.

Q:Are EC motors cost-effective despite higher initial price?

Yes, huge energy savings and lower operating costs lead to payback periods as short as a few months, combined with longer life expectancy.

Q:What protection features does this blower have?

It includes over-current limiting (72-hour locked rotor protection), reverse polarity protection, over-voltage shutdown, and soft start functionality.