131X7578

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The Danfoss 131X7578, part of the FCD 300 Micro Drives series, operates on mains voltage of 3 x 380-480 V AC and features a standard enclosure rating of IP66. It includes a mechanical brake control/supply and an integral RFI filter compliant with EN 55011-1A. The drive supports FC protocol, Profibus DP, and Profidrive communication standards.

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Product Description:

The 131X7578 is an IP66 frequency converter that can be used in a polluted environment without the risk of damage from water or dust penetration. As part of the Danfoss Automation FCD micro drive series, this product is small enough to fit into environments with limited installation spaces. The operation of this product is designed to be easy for well-trained personnel; however, it should also be used in the conditions stated in its documentation. The operation of this product can lead to Electromagnetic Interference; however, there is a built-in RFI filter installed inside the product to reduce this interference to the lowest possible level. There is no control panel or panel connection present on this product; however, it has five indicator lamps that communicate information about the voltage, warning, alarm, status and bus.

The 131X7578 features a fieldbus option which allows it to efficiently receive process data from a wide range of sources at high speed. The configuration of this product is done through a centrally located computer that is serially connected to the converter. The computer is also required to have a communication software known as the VLT Software Dialogue. The cooling process of this product is heavily dependent on the heatsink that is integrated into its housing. The effectively need of the cooling system heavily depends on its ambient temperature and the ease with which cool air can circulate around the product. The installation position of this unit should allow a minimum clearance distance of 100 millimeters above and below the housing of the product to aid circulation.

The 131X7578 frequency converter requires an ambient temperature of 0 to 40 degrees Celsius during full-scale operation. Relative humidity should also be maintained between 5 and 85 per cent. The maximum permissible installation height for this product is about 1000 meters above sea level.

Brake Function
Mechanical brake control/supply included
Fieldbus Communication
FC protocol, Profidrive, Profibus DP
Harmonic Filter
IRMS reduction 40% typical
Mains Voltage
3 x 380-480 V AC
Max Constant Output Current (type 303)
1.4 A
Max Constant Output Current (type 305)
1.8 A
Max Constant Output Current (type 307)
2.2 A
Max Constant Output Current (type 311)
3.0 A
Max Constant Output Power (type 303)
1.0 kVA at 400 V
Max Constant Output Power (type 305)
1.2 kVA at 400 V
Max Constant Output Power (type 307)
1.5 kVA at 400 V
Max Constant Output Power (type 311)
2.0 kVA at 400 V
Nema Enclosure Rating
NEMA 4X (Indoor)
Rfi Filter
Integral 1 A, EN 55011-1A compliant
Standard Enclosure Rating
IP66

Frequently Asked Questions about 131X7578:

Q: Is the 131X7578 equipped with a display unit?

A: There is no display unit on this product, however it contains about Five LEDs through which it communicates its operation status.

Q: How is the 131X7578 different from other converters?

A: This product has a small size, it is also strong enough to withstand harsh conditions.

Q: What is the control principle of this product?

A: The 131X7578 operates with an inverter control system known as the Voltage Vector Control (VVC).

Q: What advanced motor protection does the 131X7578 have?

A: The 131X7578 features an integral electronic motor protection. It monitors the operation of the motor through the use of current, frequency, and time.

Q: Can the 131X7578 be used at any altitude?

A: For best performance, the 131X7578 should be used at an height that does not exceed 1000 meters above sea level.


Internal Product Review

  • ‘‘The 131X7578 is a state-of-the-art frequency converter manufactured by Danfoss. It is a strong device that can be used in harsh conditions. This converter is also a maintenance free product. ’’

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