134U7749

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The Danfoss 134U7749 drive, part of the VLT FC 280 Midi Drives series, operates with a rated power of 3.0 kW and is suitable for three-phase 380-480 VAC input voltage. It features an IP20 chassis enclosure and EMC Cat C3 RFI filter. The drive dimensions are 272.5 x 90 x 168 mm.

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Wake Industrial Warranty

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Product Description:

The 134U7749 Drive is designed and manufactured by Danfoss. It belongs to the family of VLT FC 280 Midi Drive. The drive refers to the model FC-280P3K0T4E20H2BXCXXXSXXXXA0 that offers durable construction. Its enclosure is IP20 protected and has a K2 design.

The Danfoss 134U7749 uses a three-phase 380-480 V AC supply. It operates at input frequencies of 50 or 60 Hz with a ±5% tolerance. The rated output current is 7.2 A at 380-440 volts and 6.3 A at 441-480 volts. The intermittent overload capacity is 11.5 amps for 60 seconds. Continuous apparent power is 5.0 kVA at 400 V and 5.2 kVA at 480 V. The drive storage temperature is -25 °C to +70 °C. Humidity range is 5–95 percent non-condensing. The unit resists vibration up to 1.14 g and altitude up to 3000 m with derating. The maximum input current is 6.3 A at 380–440 V and 4.3 A at 441-480 V. The intermittent peak input is 10.1 A for 60 seconds. At rated load, the drive is 98 percent efficient with a power loss of only 94.8 W. True power factor is 0.9 or higher while cos φ is more than 0.98. The motor output voltage spans from 0 to full supply. The Danfoss enables for side-by-side installation. The drive dimensions are 272.5 mm height, 90 mm width, and 168 mm depth. Weight is 3.6 kg which supports compact mounting. Ambient operating temperature is -10 °C to +45 °C full load and up to 55 °C with derating.

The 134U7749 drive has an output frequency that ranges from 0 to 500 Hz, or 0 to 200 Hz in VVC+ mode. The ramp time can be chosen between 0.01 and 3600 seconds. It has a power rating of 3.0 kW and is suitable for heavy-duty usage. Torque handling is 160 percent for 60 seconds and 200 percent for a single second. Emissions and immunity adhere to EN 61800-3 and relevant EMC standards. The energy efficiency class is IE2 according to EN 50598-2.

Brake Chopper
Yes
Dimensions (hxwxd)
272.5 x 90 x 168 mm
Display
No
Efficiency
0.98
Enclosure Type
IP20 (Chassis)
Frame Size
K2
Gross Weight
4.48 kg
Horsepower
4.0 HP
Input Voltage
Three Phase 380-480 VAC
Net Weight
3.96 kg
Power Loss @ Rated Load
94.8 W
Product Series
VLT Midi Drive FC-280
Rated Power
3.0 kW
Rfi Filter
EMC Cat C3 (200/400V)
Volume
16.53 L

Frequently Asked Questions about 134U7749:

Q: How does the ramp time range of the Danfoss 134U7749 Drive benefit applications?

A: The adjustable ramp time from 0.01 to 3600 seconds allows smooth acceleration and deceleration. This protects connected equipment and improves process stability.

Q: Why is the Safe Torque Off function important in the Danfoss 134U7749 Drive?

A: The STO function ensures the motor torque is completely disabled without removing power. It provides enhanced safety during maintenance and emergency stops.

Q: How does the wide ambient temperature range improve usability of this drive?

A: Operation from –10 °C to +55 °C with derating supports flexible installation. It enables performance in diverse industrial climates without compromising reliability.

Q: What advantage does the high true power factor offer in the Danfoss 134U7749 Drive?

A: A power factor of ≥0.9 reduces wasted energy during operation. This ensures efficient utilization of electrical supply in automation systems.

Q: How does the 0–200 Hz VVC+ mode output frequency help?

A: The VVC+ control provides stable low-speed motor performance. This results in improved torque and smoother control at reduced speeds.


Internal Product Review

  • ‘‘The Danfoss 134U7749 Drive is a compact AC drive solution. It offers 3.0 kW power, 7.2 A rated output, and versatile control I/O. This product is widely used in conveyors, packaging machinery, and industrial pumps for precise and reliable motor performance.’’

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