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VACONX4C50075C Danfoss

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Internal Product Review

The VACONX4C50075C is a low-voltage drive engineered for 3-phase 575 Vac systems. An IP66 enclosure and ±15% input tolerance support dependable operation in demanding installations. The 7.5 HP low-overload rating makes the VACONX4C50075C a strong choice for sealed industrial drive applications.

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Product Description:

The VACONX4C50075C is an AC variable-speed drive produced by Danfoss for the Low Voltage VACON X Drives series. It interfaces between a plant’s three-phase power system and the motor, delivering a controlled output frequency so automated machinery can start, stop, and run at commanded speeds without mechanical throttling. The product serves as a compact motor controller that fits directly onto equipment exposed to washdown or outdoor environments common in industrial automation.

The drive accepts an input of 575 Vac from a three-phase supply, and its front-end rectifier tolerates line deviations of ±15% without derating. A sealed aluminum housing carries an ingress protection rating of IP66, preventing hose-directed water and dust from reaching the electronics. Inside this housing, the dynamic brake circuit activates when the DC link reaches 970 Vdc, diverting excess energy to a resistor so rapid deceleration does not trip the inverter. The T1 frame measures 166 mm deep, 221 mm wide, and 306 mm high. With a mass of 6.35 kg, the unit can be fastened to machine frames without additional structural support.

For heavy-duty starts, the inverter delivers 5 HP at a high-overload current of 6.1 A. Applications with lighter acceleration demands can access 7.5 HP continuously at a low-overload current of 9 A. Protection against abnormal mains conditions is provided by an overvoltage trip at 1017 Vdc and an undervoltage trip at 497 Vdc, shutting down the drive before electrical stress becomes critical. The separate overload classes allow the drive to accommodate demanding startup loads as well as equipment that requires higher continuous output. Its voltage protection helps safeguard the power section when the DC link rises or falls beyond the permitted operating range.

Depth
166 mm
Dynamic Brake Activation
970 Vdc
Frame Size
T1
Height
306 mm
High Overload Current
6.1 A
High Overload Power
5 HP
Input Phase
3 Phase
Input Tolerance
±15%
Input Voltage
575 Vac
Ip Rating
IP66
Low Overload Current
9 A
Low Overload Power
7.5 HP
Overvoltage Trip
1017 Vdc
Undervoltage Trip
497 Vdc
Weight
6.35 kg
Width
221 mm

Frequently Asked Questions about VACONX4C50075C:

Q: What is the required input voltage and phase for the VACONX4C50075C drive?

A: The VACONX4C50075C is designed for operation with a 3-phase 575 Vac input.

Q: What is the maximum low overload power rating for the VACONX4C50075C?

A: This model supports a maximum low overload power of 7.5 HP.

Q: What is the high overload current for the VACONX4C50075C drive?

A: The VACONX4C50075C features a high overload current rating of 6.1 A.

Q: What level of environmental protection does the VACONX4C50075C offer?

A: An IP66 rating provides the VACONX4C50075C with protection against dust and powerful water jets.

Q: At what voltage does the VACONX4C50075C engage dynamic brake activation?

A: Dynamic braking is activated at 970 Vdc on this drive.

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