Danfoss VLT Enclosed Drives Fact sheet

Fact Sheet: VLT® Enclosed Drives

Extended functionality and real LHD for high-performance operation

VLT® Enclosed Drives have been designed to meet the most demanding requirements for flexibility, robustness, compactness and service-friendliness, making them a smart choice for diverse applications. They are ideal for low harmonic drive (LHD) usage, with outstanding harmonic mitigation performance.

			VLT® Enclosed Drives are
			configurable with input/output filters,
			control and enclosure options to meet
			practically all requirements of the
			application, eliminating the need for an
			extra enclosure.
			Selectable input/output filters ensure
			highest quality of the voltage on
			motor terminals, as well as the lowest
			harmonics content of mains currents –
			TDD <3% and it is a best choice, when
			harmonics frequencies above 2 kHz in
			the power supply network is a concern
			to fulfil the IEC 61000-2-4 requirements
			for harmonics up to 9 kHz.
			Back-channel cooling
			A unique ducted back-channel passes
			cooling air over heat sinks with minimal
			air passing through the electronics area.
			There is an IP54/Type 12 seal between
			the back-channel cooling duct and
			the electronics area of the VLT® drive.
			This allows 90% of the heat losses to
			be exhausted directly outside of the
			enclosure, improving reliability and
			prolonging life by dramatically reducing
			temperature rise and contamination
			of the electronic components. Input/
			output filters also use the IP54/ Type 12
			-rated back-channel for cooling.
		Available for enclosure sizes	Supply voltage
		D and E	and power ranges
	<3%
		n VLT® AutomationDrive FC 302	n 380-480/500 V……90 kW-500 kW
		n VLT® AQUA Drive FC 202	n 525-690 V…….90 kW-710 kW
	Total harmonic	n VLT® HVAC Drive FC 102	with 150% overload
	distortion, even	n VLT® Refrigeration Drive FC 103
	up to 9 kHz	n IP21 (Type 1)
	Real LHD
		Protection ratings
		n IP54 (Type 12)

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Feature

Built-in options

Back-channel cooling

Variable speed cooling fans

VLT® drives family with common graphical LCP

Integrated selectable input/output filters

Door-mounted control compartment

10

1

9

2

8

3

4

7

5

6

Benefit

Eliminate the need for an extra cabinet when options are required. Save cost on equipment and reduce space requirements.

Reduce the scale of air conditioning required for the room, and even reduce the room size, for savings in up-front cost and operating expenses.

Improve efficiency of the drive and reduce audible noise.

Know one drive, know them all. Save time and cost for training, service, ordering and spare parts logistics.

Ensure highest quality of the voltage on motor terminals, as well as the lowest harmonics content of the mains currents.

Safe accessibility to control terminals, also during operation of the drive.

		1	VLT® drive: Drives with enclosure size
		D and E with selectable control options
		cards.
	11	2	Back-channel cooling assembly
		ensures utilization of the drive’s back-
		channel cooling concept in the cabinet.
		3	Mains contactor is a selectable mains
	12	power option.
		4	Mains switch disconnect is a
		selectable mains power option
		5	Bottom entry establishment ensures
		IP54/NEMA12 connections to the power
	13	supply.
		6	Plinth is available as an option in
		100 mm, 200 mm, and 400 mm sizes.
	14	7	Magnetics of the input filter
		assembly

		ensures the low harmonics content of
		mains currents - TDD<3%.
		8 Contactor to control the harmonics
		filter of the drive.
		9 Back-channel cooling assembly for
		input harmonic filter ensures efficient
		cooling of magnetics.
15		10 Capacitors assembly of the input
		harmonics filter.
		11 Top-exit establishment ensures
		IP54/NEMA12 connections of motor cables
		from the top.
		12 Capacitors assembly of the output
	16	sine-wave filter.
		13 Back-channel cooling assembly for
		magnetics of the output sine-wave filter.
		14 Sine-wave filter magnetics of the
		output filter, as a selectable power option.
		15 Motor connection terminals are
		placed in the sine-wave filter cabinet of the
		enclosed drive.
		16 Enclosed drive cabinet utilizes Rittal
		TS8 baying system.

DKDD.PFP.416.A1.02

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