| Parameter Item | Specification |
|---|---|
| Full Model Number | K3G310-PH58-32 |
| Product Type | EC Backward Curved Plug Fan |
| Impeller Diameter | 310 mm |
| Motor Type | Integrated 3-phase GreenTech EC Motor |
| Nominal Supply Voltage | 3~ 400 VAC |
| Operating Voltage Range | 340 ~ 480 VAC |
| Frequency | 50 / 60 Hz |
| Rated Speed | 2450 rpm |
| Rated Input Power | 680 W |
| Rated Input Current | 1.4 A |
| Optimum Efficiency Airflow | 2720 m³/h |
| Optimum Static Pressure | 530 Pa |
| Maximum Static Pressure | 665 Pa |
| Overall Static Efficiency | 68.9 % |
| ErP Efficiency Grade N | 79.6 |
| Operating Ambient Temperature | -40 ℃ ~ +60 ℃ (intermittent startup allowed below -25℃) |
| Storage & Transport Temperature | -40 ℃ ~ +80 ℃ |
| Item | Technical Details |
|---|---|
| Impeller | 7 pcs backward-curved PP plastic blades, clockwise rotation (viewed from rotor side) |
| Fan Housing | Integrated galvanized steel plug fan casing with anti-corrosion coating |
| Inlet Nozzle | One-piece molded plastic inlet ring for optimized airflow intake |
| Electronic Terminal Box | Die-cast aluminum alloy weatherproof enclosure |
| Bearing System | Sealed heavy-duty precision ball bearing |
| Operation Duty | S1 (24-hour continuous non-stop operation) |
| Protection Class | IP55 |
| Insulation Class | Class F |
| Environmental Grade | H2 (Wide tolerance for dust, humidity & temperature fluctuation) |
| Mounting Method | Horizontal shaft / vertical shaft installation optional, built-in mounting flanges |
| Drainage Design | Condensate drain holes on rotor side to avoid water accumulation |
| Function Item | Technical Details |
|---|---|
| Speed Regulation | Dual control: 0–10 V analog signal / PWM speed regulation |
| Communication Protocol | RS485 MODBUS-RTU V6.3 for remote monitoring & parameter setup |
| Auxiliary Power Output | 3.3~24 VDC adjustable output, Max 800 mW for external sensors |
| Offline Parameter Power | 15–50 VDC external power supply for offline MODBUS configuration |
| I/O Interface | Configurable multi-channel digital input, analog input & output |
| Feedback Signal | Tacho speed signal output for real-time rotation monitoring |
| Fault Feedback | Floating fault alarm relay (COM / NC contact) |
| Status Indicator | Tri-color LED indicator: Green=Normal, Orange=Warning, Red=Fault |
| Startup Mode | Multi-stage soft start to suppress inrush current impact |
| Protection Item | Description |
|---|---|
| Electrical Safeguard | Reverse polarity protection, locked rotor auto-restart, over/under voltage & phase loss protection, motor current limiting |
| Thermal Protection | Dual overheat protection for motor stator and drive electronics module |
| Safety Touch Current | ≤ 3.5 mA (Compliant with IEC 60990 safety standard) |
| EMC Standards | EN 61000-6-2 (Industrial interference immunity), EN 61000-6-3 (Radiation emission) |
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.
✅ 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.
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.
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.
We provide full thermal dissipation hardware solutions covering all mainstream industrial ventilation types:
New original, performance-matched compatible equivalents and fully calibrated refurbished units are available for nearly all mainstream fan brands & model specifications.
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.