Frequency converter FRQ5-4A

Item number: 36229

Speed controller with 5-step switch 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

Integrated 5-Step switch 

Step0=0Hz; Step1=10Hz; Step2=20Hz; Step3=30Hz; Step4=40Hz; Step5=50Hz

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 Hz
Phases 3~
Maximum current 4 A
Protection/Classification
Enclosure class IP54
Controller and Sensors
Recommended fuse, unit 10 A
Permitted humidity, non-condensing 0 -dək 85 %RH
Ambient and duct temperature
Permitted ambient temperature maksimum 40 °C
Dimensions and weights
Weight 2,4 kg
Images Dimensions - Frequency converter FRQ5-4A - Systemair

Frequency inverter for the control of one fan motor with frequency converter suitable isolation system and bearings e.g. IE2. Fan speed preset via integrated 5-step switch.

 

Step0=0Hz; Step1=10Hz; Step2=20Hz; Step3=30Hz; Step4=40Hz; Step5=50Hz

 

Enable contact section.

 

Potential-free operation notification.

 

Motor protection by thermal contact, PTC.

 

Interference emission EN 61000-6-3,

 

Interference immunity EN 61000-6-2.

 

Parallel operation of several motors is not allowed. Max. cable length external potentiometer 100m.Max. length of motor cable 10m (screened).

 

Caution: Not suitable for external rotor motors!

 

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

 

Technical data:

 

Voltage:208...480 V

 

Phase:3~

 

Frequency:50...60 Hz

 

max. current:4 A

 

max. power:1.5 kW

 

Recommended fuse:10 A

 

Ambient temperature:40 °C

 

Permitted rel. humidity, non-condensating: 85 %

 

Protection grade: 54 IP

 

Weight: 2.4 kg