175Z0149

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The 175Z0149 frequency converter supports a three-phase input voltage range of 525-690 V AC, a supply frequency of 48-62 Hz, and an analog input resolution of 10-bit with a range up to 20 mA. Part of the VLT 5000 Frequency Converters series by Danfoss, it features an RS-485 interface with full galvanic isolation and 8 programmable digital inputs.

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Product Description:

The Danfoss 175Z0149 is developed to ensure high precision motor control and supports a three-phase input voltage range of 525-690 V AC ~10%, thus suitable for a high-voltage industrial environment. Its wide voltage tolerance allows for consistent, stable operation even in environments with frequent power fluctuations. This helps to ensure that motors are running smoothly and efficiently, making them highly reliable and less likely to cause any downtime to an industrial system. In addition, the converter features advanced features like 8 programmable digital inputs to meet different system needs, 10-bit analogue input resolution and an RS-485 with full galvanic isolation to facilitate safe communication.

The frequency converter also has a supply frequency range of 48-62 Hz +-1%, so that it can be used in the power grid with 50/60 Hz standard frequency power supply. This enables the 175Z0149 to be versatile across different regions and industries, ensuring compatibility with international power standards. The converter's wide supply frequency range makes it reliable, as it can handle small changes in grid frequency while still performing consistently.

Another important feature of the 175Z0149 is its power factor of 0.90 at rated load, which shows its efficiency in using electrical power. A higher power factor indicates less wastage of energy, less reactive power and hence less electricity costs. In industrial environments, this not only adds up to energy savings but also helps in reducing strain on electrical infrastructure. Combined with more than 0.98 displacement power factor, the frequency converter ensures optimal use of energy with minimum energy losses. Altogether, the Danfoss 175Z0149 is a powerful, reliable and energy-efficient frequency converter, and offers industries precision control, flexibility and long-term cost advantages.

Analog Input Range (current)
0/4-20 mA
Analog Input Range (voltage)
0-10 V DC
Analog Input Resolution
10 bit + sign
Analog Output
0/4-20 mA, max error 1.5%
Digital Inputs
8 programmable, 0-24 V DC
Displacement Power Factor
>0.98
Frequency Output Range
0-1000 Hz (model dependent)
Input Voltage
3 x 525-690 V AC +/-10%
Max Motor Cable Length (screened)
150 m
Relay Max Load Ac1
250 V AC, 2 A, 500 VA
Relay Max Load Dc1
25 V DC, 2 A / 50 V DC, 1 A, 50 W
Relay Outputs
2 programmable
Rs-485 Interface
Full galvanic isolation
Supply Frequency
48-62 Hz +/-1%
True Power Factor
0.90 at rated load

Frequently Asked Questions about 175Z0149:

Q: What is the input voltage for the 175Z0149?

A: The 175Z0149 accepts 3 x 525-690 V AC ~10%.

Q: What is the true power factor of the 175Z0149?

A: The 175Z0149 has a true power factor of 0.90 at rated load.

Q: How many programmable digital inputs does the 175Z0149 have?

A: The 175Z0149 has 8 programmable digital inputs (0-24 V DC).

Q: What is the analog output range of the 175Z0149?

A: The 175Z0149 provides 0/4-20 mA analog output with 1.5% max error.

Q: What is the maximum motor cable length for the 175Z0149?

A: The 175Z0149 supports a maximum screened motor cable length of 150 m.


Internal Product Review

  • ‘‘The 175Z0149 is an advanced converter offering versatile input and control features. Its robust design supports extended cable lengths and precise operation, making it well-suited for large-scale installations. It is an excellent choice for clients seeking precision and adaptability.’’

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