Frequency converter FRQ5-4A

208-480V, 3~, 4A, IP54, 5 steps, LED

Art. no.: 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 to 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 to 85 %RH
Ambient and duct temperature
Permitted ambient temperature max 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