Product Description:

The 175Z0045 is an AC frequency converter produced by Danfoss for the VLT 5000 Frequency Converters series. As a variable-speed drive, it adjusts the voltage and frequency supplied to an induction motor, allowing production lines, pumps, and fans to match motor speed to process demand while reducing energy consumption during periods of lower output. The converter operates as the power and control stage between the incoming line supply and the motor terminals in industrial automation systems, where it can regulate speed and torque in response to external commands.

The converter uses a book-style IP20 enclosure that supports narrow, side-by-side cabinet mounting while providing basic protection against accidental contact with internal components. Its input section accepts a nominal 380–500 V three-phase supply, allowing connection to common industrial power distribution systems without an additional transformer. The unit supports continuous operation at up to 2.2 kW when the application requires 110 percent torque. An extended electronics package with a 24 V backup and brake chopper supports controlled motor deceleration and helps retain operating parameters during brief interruptions of the main supply. Motor regulation is handled by a process control card, which supports proportional feedback control for applications that require regulation based on process measurements rather than basic open-loop voltage-to-frequency operation. The printed circuit boards are uncoated, making the converter most suitable for clean electrical cabinets that are protected from excessive moisture, dust, and corrosive airborne contaminants. No application option card is installed, leaving the associated expansion position available for a compatible card if additional control functions are required later.

For applications with higher overload demand, the converter provides 1.5 kW when 160 percent torque is required, accommodating short-duration load peaks from equipment such as conveyors and agitators. The unit is supplied with no display, so parameter entry and operating status access require a compatible remote keypad or computer-based interface. A built-in Class A1 and B filter reduces conducted electromagnetic noise and supports use on industrial and residential power networks where appropriate installation practices are followed. The converter has no fieldbus option, so control commands and feedback signals must use its available hardwired digital or analog connections. Its empty application slot permits later expansion without changing the converter’s existing power section or enclosure arrangement.