Frequency converter FRQ-4A

Item number: 36227

Speed controller with 0-10V Input for 3~ fan

Maximum factory-set output frequency: 50Hz

 

Optimized frequency inverters for the control of one fan motor for frequency converter suitable isolation system and bearings e.g. IE2

Analog input for external speed setting(0-10 V, 0-20 mA, PWM)

10V DC output for external potentiometer

Potential-free operation notification

Enable contact section 

Motor protection by connecting thermostats "TB" or thermistors "TP"

Interference emission EN 61000-6-3

Interference immunity EN 61000-6-2

Parallel operation of several motors is not allowed

Max. length of contoller(poti) cable 100m

Max. length of motor cable 10m (screened)

Please note: Not suitable for external rotor motors

When operating with Explosion proof fans the FRQ has to be placed outside the EX zone!

Technical parameters

Nominal data
Rated voltage 208 -dək 480 V
Frequency 50; 60 Hz
Phases 3~
Maximum current 4 A
Protection/Classification
Enclosure class IP54
Controller and Sensors
Recommended fuse 10 A
Ambient and duct temperature
Permitted ambient temperature maksimum 40 °C
Dimensions and weights
Weight 2,4 kg
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