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Hidria

Hidria 560mm, 400V 3Ph Axial Fan

Made in Slovenia, Europe

The Hidria R13R-5625A-4T2-7002 (ordering code 0313-4-0159) is a high-capacity, dual-speed three-phase AC axial fan. Featuring a 560 mm nominal impeller diameter, this model is widely deployed in commercial refrigeration condensers, industrial chillers, dry coolers, and HVAC ventilation systems requiring flexible dual-speed configurations.
The comprehensive engineering nomenclature and technical specifications are detailed below.

  • Fan Diameter: 560 mm
  • Model Number :R13R-5625A-4T2-7002 (ordering code 0313-4-0159)

Model Code Breakdown

  • R13: Product series prefix designating the external rotor AC motor.
  • R: Mechanical configuration type (supplied with an integrated round protective guard grid).
  • 56: 560 mm nominal blade/impeller diameter.
  • 25: 25-degree blade pitch angle (engineered to minimize acoustic output while retaining high static pressure capacity).
  • A: Sucking / Suction airflow direction (draws air through the guard grid, over the blades, and across the motor housing).
  • 4T2: 4-pole, three-phase (Tri-phase) AC induction motor equipped for dual-speed functionality.

Electrical & Operational Performance

This 3-phase motor features a dual-winding design that changes performance characteristics based on Delta (Δ - High Speed) or Star (Y - Low Speed) wiring:

Parameter 

 High-Speed Mode (Delta Δ)

Low-Speed Mode (Star Y)

Nominal Voltage

 400 V AC (3~ Phase, 50 Hz)

400 V AC (3~ Phase, 50 Hz)

Rated Power Input

670 W

 450 W

Rated Current Draw

 1.30 A

0.73 A

Nominal/Rated Speed

 1360 RPM

1130 RPM

Sound Power Level

83 dB(A)

76 dB(A)

Therefore, RPM 1360 at 60Hz, 1130 at 50Hz

Mechanical & Environmental Specs

  • Blade Construction: High-grade stamped aluminum or painted steel sheet profile blades directly pressed onto the external rotor.
  • Electrical Connection: Outgoing connection cable or standard integrated terminal connection box.
  • Total Unit Weight: 14.0 Kg.
  • Ingress Protection: IP54 rating (fully sealed against water splashes, driving rain, and hazardous dust accumulations; optimized for outdoor environments).
  • Insulation Class: Class 155 (F) with integrated thermal contacts (TK) built into the windings for motor overload protection.
  • Ambient Thermal Tolerance: -30 °C to +65 °C operating range.
  • Bearing Mechanics: Premium, maintenance-free sealed ball bearings with an operational lifespan of 30,000 to 40,000 hours under normal conditions.