178B7020
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MPN: VLT5022PT5CN1SBR0DLF10A00C0
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In-Stock, Ships 1-2 Days
The 178B7020 is a compact frequency converter with a power rating of 22 kW and three-phase operation. Built by Danfoss as part of the VLT 5000 Frequency Converters series, it supports mains voltage of 380-500/460-500V AC and features IP20 NEMA 1 enclosure class. It weighs 21 kilograms.
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Product Description:
Danfoss produces the 178B7020 variable frequency drive. The drive can handle 50/60 Hz frequencies, and it has an input voltage range of 380 to 500 V. The frequency drive allows for accurate control of motors with an output voltage ranging from zero to one thousand hertz.
When it comes to managing motor speeds, the 178B7020 frequency drive is a space-saving and effective option. The drive's cooling features include an aluminum or copper heat sink and a fan situated on the back, which removes heat from internal components and helps to prevent overheating. The heat sinks efficiently cool the power transistors and capacitors, while the cooling fan maintains optimal airflow inside the device. The variable frequency drive satisfies UL, NEMA Type 1, and IP20 protection ratings. To control the disposal of heat, it functions with a cooling fan located in the back. Motor settings and driving performance can be adjusted and monitored using a control panel that is either on the front or side of the unit. The panel has controls for adjusting the frequency and torque, as well as a screen that displays operational statistics.
An integrated rectifier stage transforms alternating current (AC) into direct current (DC) in the 178B7020 frequency drive. The inverter stage receives a consistent DC voltage from the DC link capacitors that are part of it. The inverter then provides the motor with alternating current power. With a current rating of 37.5A, the VFD can produce up to 15 kW (20 HP). Furthermore, the rectifier stage changes the voltage from AC to DC, and the inverter stage employs IGBTs to change the voltage from DC to AC again, so the motor may run on it.
Frequently Asked Questions about 178B7020:
Q: Why is the 178B7020 VLT 5022 equipped with DC link capacitors?
A: DC link capacitors smooth out the DC voltage from the rectifier. They provide a stable power supply to the inverter stage, ensuring reliable operation.
Q: Does the 178B7020 VLT 5022 have a display screen?
A: Yes, it has a display screen on the control panel. The screen shows operational status, input/output frequencies, and other performance metrics.
Q: How does the 178B7020 VLT 5022 handle different voltages?
A: The VFD handles input voltages between 380V and 500V. It adjusts to the required frequency and provides stable output across these voltage ranges.
Q: Why does the 178B7020 VLT 5022 offer 0-1000Hz output?
A: The wide frequency range allows precise control over motor speed and torque. It provides versatility for a variety of motor applications.
Q: Does the 178B7020 VLT 5022 have IP20 protection?
A: Yes, it has IP20 protection, preventing dust ingress larger than 12mm. However, it is not protected against water, so indoor use is recommended.
