/ Product catalogue / Commercial and industrial ventilation / Roof exhaust fans / Centrifugal / VKHC / VKHC 4E 250
| Unit of measurement | VKHC 4E 250 | |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 48 |
| Unit current | A | 0.23 |
| Maximum airflow | m³/h | 830 |
| Rotation speed at 50hz | - | 1440 |
| Sound pressure level LpA at 3 m | dB(A) | 46 |
| Weight | kg | 8 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Size | mm | 250 |
| Trademark | Vents |
| Model | VKHC 4E 250 |
| Type of drive installed | Integrated VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 99 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 33.2 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.047 |
| Sound power level (dB(A)) | 58 |
| H | ∅D | ∅D1 | L | L1 |
|---|---|---|---|---|
| 224 | 503 | 285 | 420 | 330 |
| Name | Photo | Description |
|---|---|---|
| Vents 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 |
|
Applied in ventilation systems for speed switching ON/OFF and speed control of single-phase power-controlled motors |
| Vents RS-10,0-T |
|
Applied in ventilation systems for speed switching ON/OFF and speed control of single-phase power-controlled motors |
| Vents RSA5E-3,5-T |
|
Speed controllers are applied for air flow control of single phase fans by means of motor step speed control |
| Vents RSA5E-5,0-T |
|
Speed controllers are applied for air flow control of single phase fans by means of motor step speed control |
| Vents RSA5E-7,5-T |
|
Speed controllers are applied for air flow control of single phase fans by means of motor step speed control |
| Vents RSA5D-1,5-M |
|
Three phase speed controller |
| Vents RSA5D-6,0-M |
|
Three phase speed controller |
| Vents RSA5D-8,0-M |
|
Three phase speed controller |
| Vents RSA5D-11,0-M |
|
Three phase speed controller |
| Vents RSA5E-1,5-T |
|
Speed controllers are applied for air flow control of single phase fans by means of motor step speed control |
| Name | Photo | Description |
|---|---|---|
| Vents RKV 250-315 |
|
Mounting frame |
| Vents RKVI 250-315 |
|
Mounting frame with thermal-insulating layer |
| Vents FKV 250-315 |
|
Mating flange |
| Vents GKV 250-315 |
|
Flexible connector |
| Vents KKV 250-315 |
|
Backdraft damper |
