Description
The Sunon A2123-HST.GN (also known as A2123HSTGN) is an industrial-grade AC axial cooling fan engineered in a standard 120 × 120 × 38.5 mm (4.70 × 4.70 × 1.52 in) frame format. Powered by a dependable shaded-pole AC motor with built-in impedance protection, it operates across 220–240 VAC (50/60 Hz) to deliver 95 CFM (161.4 m³/h) at 2700 RPM on 50 Hz and 115 CFM (195.4 m³/h) at 3100 RPM on 60 Hz. The assembly combines a rugged die-cast aluminum housing with a flame-retardant UL 94V-0 PBT thermoplastic impeller and a precision lubricated sleeve bearing mechanism. Termination is provided via two integrated spade lug terminals measuring 7.5 mm wide by 0.5 mm thick for secure, straightforward line-power connections.
Key Features
- Reliable Shaded-Pole Motor: Integrated impedance protection prevents thermal failure during locked-rotor events without complex control electronics.
- Rugged Die-Cast Housing: Premium cast aluminum frame ensures mechanical rigidity, dimensional stability, and efficient thermal dissipation.
- Aerodynamic PBT Impeller: Flame-retardant UL 94V-0 thermoplastic blades deliver up to 115 CFM of concentrated airflow.
- Convenient Terminal Interface: Dual 7.5 mm faston solder lug terminals enable fast wiring integration within space-constrained chassis.
- Comprehensive Global Certifications: Fully certified to UL, CUR, TUV, CE, UKCA, and RoHS standards for worldwide OEM deployment.
Technical Specifications
| Manufacturer | Sunon |
|---|---|
| Manufacturer Part Number (MPN) | A2123-HST.GN |
| Alternate Part Number | A2123HSTGN |
| Sunon Specification Number | A12003620G-00 |
| Engineering Specification | EA12128 |
| Product Series | A Series |
| Product Category | AC Axial Fans |
| Fan / Component Type | AC Tubeaxial Cooling Fan |
| Phase & Supply Type | Single-Phase AC |
| Motor Design | Reliable Shaded-Pole Motor Construction |
| Rated Voltage | 220–240 VAC |
| Operating Voltage Range | 150–250 VAC |
| Starting Voltage | 150 VAC (at 25°C Power ON/OFF) |
| Frequency | 50 / 60 Hz |
| Rated Speed (50 Hz / 60 Hz) | 2700 RPM (50 Hz) / 3100 RPM (60 Hz) ± 10% |
| Power Consumption | 23.0 W (50 Hz) / 20.0 W (60 Hz) |
| Rated Current | 0.14 A (50 Hz) / 0.12 A (60 Hz) |
| Power & Current Tolerance | ±15% on rated power and current |
| Airflow (50 Hz / 60 Hz) | 95.0 CFM (161.4 m³/h) at 50 Hz / 115.0 CFM (195.4 m³/h) at 60 Hz |
| Static Pressure (50 Hz / 60 Hz) | 0.33 in H₂O (82.2 Pa) at 50 Hz / 0.38 in H₂O (94.6 Pa) at 60 Hz |
| Noise Level (50 Hz / 60 Hz) | 44.0 dB(A) (50 Hz) / 49.0 dB(A) (60 Hz) |
| Acoustic Test Condition | 1 m distance in semi-anechoic chamber with background noise < 15 dB(A) |
| Airflow Direction | Exhaust over struts (Toward label side) |
| Direction of Rotation | Counter-clockwise viewed from front of fan blade |
| Dimensions (L × H × D) | 119.5 × 119.5 × 38.5 mm (4.70 × 4.70 × 1.52 in) |
| Mounting Hole Pitch | 104.8 ± 0.3 mm (4.13 in) |
| Mounting Hole Diameter | 4-Ø4.3 ± 0.3 mm (4 × 0.169 in) |
| Frame Material | Die-Cast Aluminum |
| Impeller Material | Thermoplastic PBT (UL 94V-0) |
| Bearing System | Lubricated Sleeve Bearing System |
| Termination Type | 2 Faston / Solder Terminals (Terminal Type 7.5 mm, Thickness 0.5 mm) |
| Motor Protection | Impedance Protected |
| Insulation Resistance | 500 MΩ minimum at 500 VDC |
| Dielectric Strength | 1800 VAC for 1 second |
| Operating Temperature Range | -10°C to +70°C (14°F to 158°F) |
| Storage Temperature Range | -40°C to +70°C (-40°F to 158°F) |
| Weight | 525 g (1.16 lbs / 18.52 oz) |
| Safety Certifications | UL, CUR, TUV, CE, UKCA |
| Environmental Compliance | RoHS Directive 2011/65/EU Compliant |
Applications
The Sunon A2123-HST.GN axial cooling fan provides targeted forced-air thermal management across industrial electrical enclosures, variable frequency drives, and motor control centers. It is widely specified by maintenance technicians and panel builders for power distribution cabinets, automated welding equipment, CNC machinery consoles, and commercial beverage dispensers requiring dependable exhaust ventilation. Its robust aluminum construction also makes it a dependable drop-in component for uninterruptible power supplies, telecommunications equipment racks, and process instrumentation panels.
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