134U7770 Danfoss
Wake Industrial LLC is not an authorized distributor of this product.
MPN: FC-280PK75T4E20H2BXCXXXSXXXXAL
The Danfoss 134U7770 is part of the VLT FC 280 Midi Drives series and has a power rating of 0.75 kW, equivalent to 1.0 HP. It features an integrated PROFINET control card, coated PCB and a brake chopper. The drive supports a voltage range of three phase 380-480 VAC and is housed in an IP20 chassis with an EMC Cat C3 RFI filter.
Internal Product Review
The 134U7770 is a Danfoss VLT FC 280 midi drive rated at 0.75 kW for three-phase 380-480 VAC service. Integrated PROFINET and a brake chopper support clean networked control and confident deceleration handling. IP20/chassis protection and a coated PCB make this a strong choice for enclosed industrial panels.
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Product Description:
The 134U7770 is a frequency converter manufactured by Danfoss as a member of the VLT FC 280 Midi Drives series. Installed between an AC supply and an induction motor, the unit converts fixed line frequency into a variable-frequency output that regulates motor speed in automated machinery. This control allows the connected motor to match changing process demands instead of operating continuously at full speed. Its compact chassis format is intended for control cabinets where installation space is limited and precise torque regulation is required for medium-duty loads.
The drive has a rated output of 0.75 kW, which is equivalent to 1.0 HP. This output capacity is suitable for fractional-power applications such as small blowers, pumps, conveyors, and indexing tables. It accepts a three-phase 380–480 VAC supply for operation on common industrial power systems. Conducted electrical noise is reduced by an EMC Category C3 (200/400 V) radio-frequency filter, which helps limit interference transmitted through the supply wiring. The IP20 chassis enclosure protects against accidental contact with internal electrical parts while allowing installation inside a ventilated control panel. External disconnects and appropriate fuses must be installed as part of the surrounding power distribution system.
The control card includes integrated PROFINET communication, allowing real-time Ethernet commands and operating data to pass between the converter and a compatible controller without an additional gateway. This network connection supports coordinated machine control and provides access to operating status, diagnostic information, and adjustable drive parameters. Dynamic stopping is assisted by a brake chopper that routes excess DC bus energy to a connected braking resistor during motor deceleration. The electronics use a coated printed circuit board for added resistance to airborne moisture, dust, and other contaminants commonly found in industrial plant rooms. Because the unit has no local display, drive settings and status information are accessed through compatible remote software or network controls. The chassis-mounted layout leaves local control hardware off the front of the converter, preserving panel space for wiring and adjacent equipment.
