Frequency converter FRQ-4A
Art. no.: 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 to 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 | max 40 | °C |
| Dimensions and weights | ||
|---|---|---|
| Weight | 2.4 | kg |
