FC-051P1K5T4E20H3B

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The Danfoss FC-051P1K5T4E20H3B is a compact and efficient variable frequency drive (VFD) from the VLT FC 51 Micro Drives series. Designed for ease of integration and energy-saving performance, this model supports three-phase power input and delivers a power rating of 1.5 kW. It is ideal for small-scale industrial motor control applications, offering reliable speed regulation, overload protection, and compatibility with a wide range of AC motors.

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Wake Industrial Warranty

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Product Description:

The Danfoss FC-051P1K5T4E20H3B represents a reliable small-size variable frequency drive which belongs to the VLT FC 51 Micro Drives series. This VFD offers efficient motor control for small AC motors through its engineered design which makes it suitable for HVAC systems and water pumps and conveyors and industrial automation setups. This device supports motors up to 1.5 kW capacity while using 380–480 VAC power from three phases to operate in light-to-medium duty environments. This device fits perfectly into controlling systems that have restricted installation areas thanks to its small dimensions.

The compact FC-051P1K5T4E20H3B incorporates both V/Hz control and sensorless vector control which deliver precise motor speed control within its small body. This drive combines built-in overload protection which lasts for 60 seconds at 150% rating with thermal safeguards that ensure safety operations during demanding situations. The product contains an IP20 enclosure which allows its placement in clean ventilated control cabinets. The device supports RS485 Modbus RTU communication that simplifies its integration with networked control systems.

The FC 51 Micro Drives exist as energy-efficient units that enhance both power management and mechanical component lifetime resulting in decreased operational expenses across time. Through its 0–400 Hz frequency range this device enables applications to use low-speed torque at the same time as high-speed operation according to requirements. The forced air ventilation system controls the drive temperature range between -10°C and +50°C to ensure operational reliability. The FC-051P1K5T4E20H3B demonstrates its effectiveness by providing practical solutions to control air flow in HVAC ducts and conveyor speeds in automated production lines at costs that offer great value. System integrators and engineers can rely on this Danfoss drive because it offers dependable motor control while remaining easy to configure in a compact bulk design package.

Communication
RS485 (Modbus RTU)
Cooling
Forced Air Cooling
Frequency
50 Hz
Height
30mm
Length
100mm
Mounting
DIN rail
Overload capacity
150% for 60 seconds
Power Supply
230 VAC
Protection class
IP20
Rated Current
5 A
Width
50mm

Frequently Asked Questions about FC-051P1K5T4E20H3B:

Q: What is the power output of the FC-051P1K5T4E20H3B?

A: It delivers a rated power of 1.5 kW.

Q: Does this drive support three-phase input?

A: Yes, it supports three-phase 380–480 VAC input.

Q: What protection features are included?

A: It includes overload protection, thermal monitoring, and short-circuit safeguards.

Q: Is it suitable for HVAC systems?

A: Yes, it is commonly used in HVAC, pumps, and fan systems.

Q: Which control modes does it support?

A: It supports both V/Hz and sensorless vector control.


Internal Product Review

  • ‘‘The FC-051P1K5T4E20H3B from Danfoss is a smart, compact VFD offering precise control for small motors. With its 1.5 kW capacity, energy-saving performance, and built-in protections, it suits industrial environments and HVAC applications alike. Reliable and easy to install, it’s a trusted solution for consistent drive control.’’

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