This product has been discontinued. Please, see our suggested product UNIFREM 400.

VQFREM 400 are vector control frequency converters using HDDis of the latest generation. They have been specially designed for the most difficult technical drives applications with induction motors supplied by 3 × 400 V, motor power up to 315 kW.

VQFREM 400 family in all versions is compliant with EU standards and regulations:

EMC (Electromagnetic compatibility):
EMC (Electromagnetic compatibility): STN EN 61800-3
Is compliant with ES Directives: 89/336/EHS, 91/263/EHS, 92/31/EHS, 93/68/EHS, 93/97/EHS
Conforms to SR Government Regulations: 394/1999 Z.z., 159/2002 Z.z.,301/2002 Z.z.
Product safety and conformity:
EMC (Electromagnetic compatibility): EN 50 178, EN 601 46-1 ÷ 3
Conforms to SR Government Regulations: 392/1999 Z.z., 149/2002 Z.z., 303/2002 Z.z.
Is compliant with ES Directives: 73/23EHS, 93/68EHS

VQFREM 400

Contents:

VQFREM basic
Optional accessories
Technical data
General technical data
User guide
Technical drawings
Software
Library for ELCAD

VQFREM basic

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Optional accessories

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Technical data

Power and current:

Converter's losses: temperature losses of frequency converter at sampling frequency 1,5 kHz
Nom. output current of the converter: nominal and maximum permanent output current of the converter
Motor power: recommended maximum power of a motor connectable to converter's output (holds for 4 - pole motors)

The type of the converter Motor output rating Pnom [kW] Converter's losses at 2.5 kHz (kW) Nominal output current of the converter In [A]
VQFREM 400 250 250 7,5 490
VQFREM 400 315 315 8,7 590
VQFREM 400 400 400 10,8 700
VQFREM 400 500 500 16 860
VQFREM 400 630 630 18,71100
Hore

General technical data

Input voltage range: 400 V ± 10%
Input frequency: 47 - 63 Hz
Power factor: Cos Φ1N > 0,98
Converters efficiency: > 0,975
Output frequency range: 0 Hz ÷ 300 Hz
Control system: 2 × 32 bit. µP DSP - PWM - HDDiS
Analogue inputs: 0 ÷ 20 mA (165 Ω), 4 - 20 mA (165 Ω), 0 - 10 V, 2 - 10 V, potentiometer, motor potentiometer; output voltage + 10 V (short circuit protection) max. 10 mA. Potentiometer 1 kΩ to 10 kΩ
Control inputs and interface: 6 binary inputs for multi-level speed selection, or for remote motor potentiometer, reverse, reset, voltage + 24 V (short circuit protection), max. 100 mA
Analogue outputs: 0 ÷ 20 mA, 4 ÷ 20 mA max. 750 Ω
Starting motor torque: to 200 % Mn (according to the type of motor)
Electronic protection against:overcurrent, overvoltage, undervoltage, short circuit protection, ground fault protection, converter overtemperature, motor overtemperature
Ventilation: fan cooling
Installation altitude: < 1000 m above sea level, each 100 m above 1000 m above sea level causes decrease in converter's power by 1 %
Relative air humidity: < 90 % non-condensing, dewing not permissible
Permissible ambient temperature during operation: +1°C ÷ +40°C
Permissible ambient storage temperature: -25°C ~ +50°C
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