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/ Product catalogue / Commercial and industrial ventilation / Roof fans / Centrifugal / VKHC / VKHCA 4E 280

Vents VKHCA 4E 280

Vents VKHCA 4E 280 - Centrifugal roof fans with horizontal air exhaust
Series: VKHC
Centrifugal roof fans with horizontal air exhaust
  • Maximum airflow: 1500 m3/h
  • Sound pressure level LpA at 3 m: 46 dB(A)
  • Motor type: AC
  • Impeller type: Centrifugal backward curved blades
  • Casing material: Aluminium
Unit of measurement VKHCA 4E 280
Phases - 1
Minimum supply voltage V 230
Maximum supply voltage V 230
Power supply frequency Hz 50 60
Rated power W 125
Unit current A 0.61
Maximum airflow m3/h 1500
rotation speed at 50hz - 1446
Sound pressure level LpA at 3 m dB(A) 46
Weight kg 10
Transported air temperature (max) °С 50
Transported air temperature (min) °С -25
Ingress protection rating - IPX4
Ingress protection rating of the drive - IP44
Trademark Vents
Model VKHCA 4E 280
Type of drive installed Integrated VSD
Type of heat recovery system None
Nominal flow rate (m3/s) 0.131
Nominal external pressure (Pa) 99
Maximum external leakage rates (%) 2.7
Static efficiency (%) 33.2
Effective electric power input (kW) 0.047
Sound power level (dB(A)) 58
Declared typology NRVU UVU
Datasheet
"VENTS VKHC" product description 06-2024
1.04 Mb
Manual
"VENTS VKHC" user's manual 02-2024 (V204-2EN-02)
1.88 Mb
Image
VKHCA 4E 280 - image 1
392 Kb
H ∅D ∅D1 L L1
255 623 285 420 330
Speed controllers
Name Photo Description
Vents RSA5D-1,5-T RSA5D-1,5-T Three phase speed controller
Vents RSA5D-3,5-T RSA5D-3,5-T Three phase speed controller
Vents RSA5D-1,5-M RSA5D-1,5-M Three phase speed controller
Vents RSA5D-2,5-M RSA5D-2,5-M Three phase speed controller
Vents RSA5D-6,0-M RSA5D-6,0-M Three phase speed controller
Vents RSA5D-8,0-M RSA5D-8,0-M Three phase speed controller
Vents RSA5D-11,0-M RSA5D-11,0-M Three phase speed controller
Vents RSA5D-12,0-M RSA5D-12,0-M Three phase speed controller
Vents RS-3,0-T RS-3,0-T Applied in ventilation systems for speed switching ON/OFF and speed control of single-phase power-controlled motors
Vents RS-5,0-T RS-5,0-T Applied in ventilation systems for speed switching ON/OFF and speed control of single-phase power-controlled motors
Vents RS-10,0-T RS-10,0-T Applied in ventilation systems for speed switching ON/OFF and speed control of single-phase power-controlled motors