131L9800 Danfoss
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The Danfoss 131L9800 is a drive from the VLT FC 101 HVAC Basic Drives series with a rated power of 11 kW and a typical efficiency of 97.1 percent. This chassis drive has a continuous output current of 42 amps, a protection rating of IP20, and weighs 9.5 kilograms. It is sized at 150 mm wide and 255 mm deep, and supports 3-phase input.
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Product Description:
The 131L9800 is an AC variable-frequency drive produced by Danfoss for the VLT FC 101 HVAC Basic Drives series. It converts fixed-frequency three-phase mains power into a modulated output for regulating centrifugal fans, pumps, and other induction motor loads commonly found in building ventilation systems. By varying motor speed instead of relying on mechanical throttling, the unit provides tighter control over airflow and fluid circulation while reducing energy consumption in industrial and commercial HVAC installations.
The drive provides a continuous motor current of 42 A, while short-term load peaks can reach 46.2 A. The inverter delivers a rated shaft power of 11 kW, making it suitable for midsize air-handling equipment and pumping systems. Its conversion efficiency is 97.1%, which limits power loss to 386 W of heat during nominal operation. The drive uses a three-phase mains connection and does not include an internal brake chopper because HVAC fans generally do not require rapid dynamic braking. Its output terminals accept copper conductors up to 16 mm² or 6 AWG, providing adequate capacity for the rated motor current. Coated printed circuit boards provide additional protection against moisture in rooftop installations and plant rooms.
The drive uses an H5 frame and an open chassis enclosure that measures 150 mm wide and 255 mm deep. The assembly weighs 9.5 kg, allowing secure installation on a suitably rated cabinet mounting surface. Its IP20 ingress protection requires installation inside a control panel, where the enclosure prevents accidental contact with hazardous internal components. The open chassis design permits cabinet airflow to pass around the heat-producing components, so the panel must provide appropriate ventilation and clearance. Conducted emissions are controlled by an integrated filter that meets A1 limits, reducing the need for separate suppression components in compatible installations. The absence of an internal brake chopper also reduces the number of power components needed for typical fan and pump applications that stop through normal deceleration.
Frequently Asked Questions about 131L9800:
Q: What is the rated power output of the Danfoss 131L9800 VLT FC 101 drive?
A: The 131L9800 drive delivers a rated power output of 11 kW for reliable HVAC operation.
Q: What is the maximum continuous output current for the 131L9800 drive?
A: The VLT FC 101 131L9800 supports continuous output currents up to 42 A.
Q: What is the protection rating of the 131L9800 and what does it signify?
A: This drive unit features an IP20 protection rating, meaning it is protected against solid objects larger than 12 mm but offers no water ingress protection.
Q: What is the largest cable size that can be used with the 131L9800 drive?
A: The 131L9800 is compatible with a maximum cable size of 16 mm² (6 AWG).
Q: Is a brake chopper included with the Danfoss 131L9800 drive?
A: There is no integrated brake chopper included in the 131L9800 model.
