ZIEHL-ABEGG FB063-6EQ.4I.V4L – EC Axial Fan for Cold Storage & Refrigeration | FE/FB Series
Engineering Background
ZIEHL-ABEGG is a German precision engineering group founded in 1910, globally recognized for high-efficiency EC (electronically commutated) fan technology. The FB/FE series represents the company’s flagship axial fan platform, engineered specifically for demanding refrigeration and cold-chain environments where reliability at sub-zero temperatures is non-negotiable.
Product Positioning
The FB063-6EQ.4I.V4L is a 630 mm diameter, 6-pole EC axial fan designed for evaporator coil airflow in cold storage rooms, blast freezers, refrigerated display cases, and industrial refrigeration systems. Its integrated EC motor eliminates the need for external frequency inverters, delivering variable-speed control, reduced energy consumption, and extended service life compared to conventional AC fan units.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Model / SKU | FB063-6EQ.4I.V4L |
| Manufacturer | ZIEHL-ABEGG (Germany) |
| Series / Platform | FB / FE EC Axial Fan Series |
| Blade Diameter | 630 mm (24.8 in) |
| Number of Poles | 6-pole |
| Motor Type | EC (Electronically Commutated) Brushless DC |
| Voltage Input | 200–277 V AC, 1-phase / 3-phase (model-dependent) |
| Frequency | 50 / 60 Hz |
| Speed Control | 0–10 V DC analog signal / PWM |
| Protection Class | IP54 (dust & splash protected) |
| Insulation Class | F (155 °C) |
| Ambient Temperature Range | −40 °C to +60 °C |
| Airflow Direction | Axial (draw-through or blow-through) |
| Blade Material | Glass-fiber reinforced polyamide (PA-GF) |
| Housing / Frame Material | Galvanized steel |
| Weight | 12.8 kg |
| Mounting | Flange / ring mount (standard FB series) |
| Certifications | CE, UL, RoHS |
| Country of Origin | Germany |
Proven Application Environments
- Cold Storage Warehouses – Evaporator unit airflow circulation at −25 °C to −40 °C
- Blast Freezers & Spiral Freezers – High-velocity airflow for rapid product pull-down
- Refrigerated Display Cases – Supermarket and convenience store multi-deck coolers
- Industrial Refrigeration Skids – Ammonia and CO₂ refrigerant system evaporators
- HVAC Air Handling Units – Precision climate control in pharmaceutical cold rooms
- Data Center Cooling – Rear-door heat exchangers and in-row cooling units
Engineering Advantages
- EC Motor Efficiency – Up to 30% energy savings vs. conventional AC shaded-pole or PSC motors; IE5 efficiency class
- Variable Speed Without Inverter – Integrated drive electronics accept 0–10 V or PWM control signal directly from BMS/EMS
- Sub-Zero Rated – Specially formulated bearing grease and motor windings validated to −40 °C continuous operation
- Low Noise Profile – Aerodynamically optimized blade geometry reduces tonal noise; suitable for noise-sensitive installations
- Plug-and-Play Replacement – Dimensional compatibility with legacy ZIEHL-ABEGG FB063 AC variants; drop-in upgrade path
- Integrated Thermal Protection – PTC thermistor and electronic overload protection eliminate external motor protection relays
System Architecture & Signal Flow
The FB063-6EQ.4I.V4L integrates a brushless DC rotor with an onboard IGBT inverter module. Power input (200–277 V AC) is rectified internally; the EC controller modulates phase switching to maintain target RPM based on the analog control signal (0–10 V) received from the building management system (BMS) or refrigeration controller. The motor reports actual speed via a tachometer pulse output (optional), enabling closed-loop verification at the controller level. Fault conditions (over-temperature, locked rotor, under-voltage) trigger a latching shutdown with auto-restart after thermal recovery.
Sourcing & Quality Verification
- All units sourced directly from authorized ZIEHL-ABEGG distribution channels or verified OEM surplus stock
- Each unit inspected for: nameplate legibility, shaft rotation freedom, connector integrity, and housing condition
- Serial number and date-code verification available upon request
- Original manufacturer documentation (datasheet, wiring diagram) included where available
- 30-day functional warranty on all tested units; extended warranty available for volume orders
Procurement Process
- Confirm Specification – Verify blade diameter (630 mm), pole count (6P), voltage, and control interface match your system requirements
- Request Quote – Contact [email protected] for volume pricing, lead time, and freight options
- Place Order – Secure checkout via Shopify; wire transfer (T/T) and PayPal accepted for B2B orders
- Shipping – DHL Express / FedEx International Priority; export documentation (commercial invoice, packing list, CO) provided
- After-Sales – Technical support available via email and WhatsApp (+0086 19859288691)
Technical FAQ
Q: Can this fan replace my existing AC FB063 unit directly?
A: Yes. The FB063 EC series shares the same mounting flange and blade diameter as the AC predecessor. You will need to add a 0–10 V control signal source or use the fan at fixed maximum speed via a jumper setting.
Q: What control signal does the motor accept?
A: The .4I suffix denotes a 0–10 V analog input interface. PWM input variants are designated .4P. Confirm your controller output type before ordering.
Q: Is the fan suitable for ammonia (R717) refrigerant environments?
A: Yes. The PA-GF blade material and galvanized steel housing are compatible with ammonia atmospheres. Ensure motor cable entry glands are rated for the installation environment.
Q: What does the V4L suffix indicate?
A: V4L is a ZIEHL-ABEGG internal variant code indicating specific winding configuration and lead wire length. Always quote the full model number when ordering to ensure exact specification match.
Q: Do you provide a datasheet or wiring diagram?
A: Yes. Contact us with your order reference and we will supply the official ZIEHL-ABEGG technical documentation.
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