ebmpapst K3G310-PV69-03 RadiPac EC Centrifugal Fan
Product Overview
1. Core Performance & Electrical Parameter Table
| Parameter Item | Specification |
|---|---|
| Full Model No. | K3G310-PV69-03 |
| Product Series | RadiPac Single-Inlet Backward Curved EC Centrifugal Fan |
| Impeller Diameter | 310 mm |
| Integrated Motor | M3G112-GA 3-phase EC motor |
| Nominal Voltage | 400 VAC 3-phase |
| Operating Voltage Range | 380 ~ 480 VAC |
| Frequency | 50 / 60 Hz |
| Rated Speed (Max Load) | 4000 rpm |
| Rated Input Power | 3050 W |
| Rated Input Current | 4.7 A |
| Optimum Efficiency Airflow | 4020 m³/h |
| Optimum Static Pressure | 1583 Pa |
| Maximum Static Pressure | 1583 Pa |
| Overall Static Efficiency | 60.0 % |
| ErP Efficiency Grade N | 65.4 (Exceeds 2015 minimum standard N=62) |
| Operating Ambient Temp | -40 ℃ ~ +40 ℃ (Intermittent startup allowed below -25℃; special low-temp bearings required for continuous operation below -25℃) |
| Storage & Transport Temp | -40 ℃ ~ +80 ℃ |
| Net Weight | 21.42 kg |
2. Mechanical & Structural Specifications
| Parameter Item | Specification |
|---|---|
| Impeller | 5 pcs backward curved sheet aluminum blades, clockwise rotation (rotor view) |
| Main Structure | Galvanized steel support plate + black coated mounting bracket; galvanized steel inlet nozzle with pressure tap (k-factor=116) |
| Electronic Enclosure | Die-cast gray painted aluminum housing |
| Bearing Type | Maintenance-free precision ball bearing |
| Operation Duty | S1 24-hour continuous operation |
| Protection Class | IP55 |
| Insulation Class | Class F |
| Humidity Environmental Grade | H1 |
| Drain Design | Condensation drain holes on rotor side |
| Mounting | Horizontal shaft standard, rotor upward optional; vertical bracket installation only |
| Mount Cutout | Square mounting frame 375 / 450 / 500 mm |
3. Control, Communication & I/O Functions
| Function Item | Technical Details |
|---|---|
| Speed Control | 0–10 V / PWM analog speed regulation |
| Communication | RS485 MODBUS-RTU V6.3 protocol |
| Auxiliary Power Output | 3.3~24 VDC adjustable, Max 800 mA short-circuit protected |
| Offline Parameter Power | 15–50 VDC external input for MODBUS setup without mains supply |
| Configurable I/O | IO1 digital input, IO2 analog setpoint input, IO3 0-10V analog output, tacho/diagnostic open-collector signals |
| Status Feedback | Floating fault relay (COM / NC, 2A@250VAC) |
| Indicator | Tri-color LED: Green=Normal, Orange=Warning, Red=Fault |
| Startup | Built-in PI controller + soft start to reduce inrush current |
4. Full Protection & EMC Compliance
| Protection Item | Function Description |
|---|---|
| Electrical Safeguard | Reverse polarity, locked rotor auto-restart, over/under voltage & phase loss protection, motor current limit |
| Thermal Protection | Dual overheat protection for motor stator and drive electronics |
| Safety Touch Current | ≤ 3.5 mA (IEC 60990 standard) |
| EMC Standard | EN 61000-6-2 (industrial immunity), EN 61000-6-3 (emission) |
5. Certifications & Energy Compliance
- Executive Standard: EN 61800-5-1
- Global Certifications: CE, UL, CSA, EAC
- Energy Norm: EU Regulation (EU) 327/2011 Ecodesign ErP Directive
- Test Standards: ISO 5801 airflow test, ISO 13347 noise measurement
6. Key Product Advantages
- Ultra-high static performance, up to 1583 Pa, perfectly matches high-resistance duct, filtration and dust removal systems
- Sheet aluminum impeller with excellent rigidity, stable operation under high wind pressure, long service life
- IP55 + H1 humidity grade, resistant to damp and slightly dusty industrial environments
- Complete digital control and MODBUS bus, compatible with building & industrial centralized control systems
- Pre-installed complete mounting bracket and pressure measuring nozzle, convenient on-site installation and airflow calibration
7. Typical Application Scenarios
Product Technical Introduction
We specialize in supplying a full range of industrial and commercial cooling fans, including Axial fans, Centrifugal fans, Tangential blowers, Blowers, Air condition fans, Data center fans, and ICT fans. These fans are widely used in HVAC systems, air conditioning units, data centers, industrial automation equipment, telecom base stations, and power cabinets.
3 Tiered Sourcing Solutions for Differentiated Engineering Budgets
- 100% New Original OEM Units: Authentic genuine brand blowers with complete factory datasheets, original EC drive modules, full parameter consistency, and official brand performance warranties, suitable for high-reliability long-cycle industrial projects.
- High-Performance Compatible Equivalent Fans: Professionally engineered cross-brand replacement blowers with fully matched outline dimensions, static pressure, air volume, operating voltage, rotational speed, and noise indicators. Significantly lower procurement cost while maintaining equivalent operational stability for mass standardized equipment.
- Tested Refurbished / Second-Hand Units: Disassembled deep cleaning, bearing replacement, circuit board inspection, and full bench performance calibration. Cost-efficient solution for budget-sensitive maintenance & retrofit projects without sacrificing continuous operating stability.
Core Technical Advantages for Industrial Engineering Projects
✅ Full Technical Category Coverage
Complete cooling portfolio ranging from miniature DC compact fans to heavy-duty industrial axial & centrifugal blowers, covering all mainstream airflow pressure and size specifications for cabinet thermal dissipation.
✅ Harsh Climate Adaptation for African Markets
All cooling units pass high-temperature continuous operation & dust resistance aging tests, optimized for tropical high-heat, high-dust outdoor industrial & telecom site operating conditions.
✅ Customized Technical Modification Support
Customizable frame size, input voltage (AC110/230V / DC24/48V), speed regulation modules, IP waterproof casing, and wiring harness configurations per customer engineering drawings.
✅ Strict Full-Link Performance Calibration
Every blower undergoes independent bench testing for air volume, static pressure, operational noise, EC drive efficiency, long-hour continuous stability before warehouse delivery; test reports available upon request.
✅ Standardized Global After-Sales Technical Support
12-month comprehensive warranty for all supplied units. Free technical troubleshooting, replacement & exchange services for quality defects under rated normal operating conditions.
About Skyward Telecom
Founded in 2009, Skyward Telecom (Skywardtel) is a professional industrial thermal management supplier rooted in Guangdong, China. We adhere to integrity-driven technical service as our core operation principle, dedicated to resolving procurement difficulties for equipment engineers and manufacturing enterprises seeking stable, cost-effective telecom & industrial cooling ventilation hardware.
For over 15 years, we have delivered standardized customized cooling solutions to engineering clients across more than 80 global countries, accumulating industry-wide recognition for our professional technical matching capability and end-to-end supply chain service.
Technical FAQ
1. Who is Skyward Telecom?
We are a China-based industrial cooling fan technical supplier established in 2009, focusing on full-series EC/AC ventilation equipment global supply. Our core market distribution breakdown:
• Africa Market: 50.00% (primary target for tropical harsh-condition telecom & industrial cooling)
• European Market: 15.00%
• Middle East Market: 10.00%
• Southeast Asia Market: 5.00%
• North & South American Market: 20.00%
Our internal team consists of 80–100 staff, including dedicated thermal engineering technicians providing exclusive technical matching support for emerging tropical markets.
2. How do we guarantee fan technical performance & quality consistency?
- Pre-production prototype sample testing & parameter confirmation available prior to mass order bulk manufacturing;
- 100% bench testing of airflow, static pressure, noise level, EC drive efficiency and long-run stability before shipment;
- Deep cleaning, circuit inspection and mechanical calibration for all original, compatible and refurbished fan units;
- Only units passing multi-index QC calibration will be labeled, packed and arranged for global logistics delivery.
3. Full Range of Industrial Cooling Equipment We Supply
We provide full thermal dissipation hardware solutions covering all mainstream industrial ventilation types:
- Axial Fans: Miniature DC compact cooling fans & large industrial AxiForce axial blowers (200/250/300mm frame size)
- Centrifugal Fans: EC/AC forward & backward curved centrifugal blowers for HVAC & heavy industrial equipment
- Tangential Cross-Flow Blowers: Dedicated cross-flow fans for commercial air conditioning & ventilation systems
- High-Pressure Industrial Blowers: Boost blowers for heating boilers, industrial drying & ventilation equipment
- Air Condition Special Fans: Custom blowers for commercial & industrial integrated air conditioning units
- Data Center Cooling Fans: High-efficiency low-energy fans for server racks, cabinet thermal management systems
- ICT Telecom Fans: Specialized cooling blowers for outdoor base stations, network switches & communication power cabinets
New original, performance-matched compatible equivalents and fully calibrated refurbished units are available for nearly all mainstream fan brands & model specifications.
4. Why choose our cooling fans over competing suppliers?
- One-stop full technical portfolio: All mainstream industrial cooling fan types are stocked, eliminating the need for multi-supplier sourcing for your thermal projects;
- 3-tier flexible cost matching: New original / compatible replacement / refurbished tested options to align with your project quality standards and procurement budget;
- Tropical environment optimized solutions: All blowers pass aging tests to adapt to high-temperature, heavy-dust operating environments widely seen across African industrial & telecom sites;
- Verified global service track record: 15+ years serving clients in over 80 countries with mature technical matching, stable delivery and transparent procurement procedures.
5. Comprehensive Global Trade & Technical Support Services
Accepted Incoterms: FOB, CFR, CIF, EXW, FAS, FCA, DDP
Settlement Currencies: USD, EUR, HKD, GBP, CNY
Payment Methods: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Cash
Multilingual Technical Support Team: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian
Send us your target fan model number, equipment application parameters, and brand requirements, our thermal engineering team will provide a fully customized technical quotation with matching datasheet support.