175G5244 Danfoss
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MPN: MCD202018T6CV1
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The Danfoss 175G5244 is part of the MCD Soft Starters series, specifically the MCD 202 line. It features a power rating of 18 kW for three phase power and supports a mains voltage range of 200-575 VAC. This soft starter offers a heavy duty current of 36 A, normal duty current of 42 A, and is protected to the IP20 class.
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Product Description:
The 175G5244 soft starter is produced by Danfoss and belongs to the MCD Soft Starters series in the VLT Soft Starter MCD line. Classified in the 202 range, it is installed between the line supply and a three-phase motor to ramp voltage smoothly and reduce mechanical shock during starting. That controlled ramp helps reduce belt slip, gear wear, and fluid hammer in connected equipment. During steady operation, the device draws less than 100 mA, and the control electronics momentarily require only 2 A of inrush when power is first applied, allowing the use of compact auxiliary supplies.
The starter accepts a line window of 200–575 VAC and synchronizes with supply networks spanning 45–66 Hz. It can switch motors up to 18 kW in normal service and delivers a nominal output current of 42 A under the AC53b 4-6:354 duty profile. For high-torque starts, the AC53b 4-20:340 heavy-duty curve limits current to 36 A while extending the ramp time to preserve thermal capacity. The unit is wired on three-phase power bars, and its main contactor output and programmable relay can each switch 6 A at 250 VAC for external fan, valve, or alarm logic. Those auxiliary contacts can also be used for interlocks or remote status signaling without adding a separate interface relay.
Control functions operate from a 24 VAC/VDC supply, giving flexibility for PLC control power or panel transformers. Additional protection is handled by a built-in trip that reacts to a phase deviation of 30% for 3 s, and by a thermistor circuit that opens at 2.8 kΩ to disconnect an overheated motor. This allows direct temperature-based shutdown when a compatible motor sensor is connected. The housing meets IP20, so it is intended for installation inside a ventilated cabinet without extra gasketing. Internal bypass reduces run losses after startup, which helps limit heat during normal operation.
Frequently Asked Questions about 175G5244:
Q: What mains voltage range is supported by the Danfoss 175G5244 soft starter?
A: The 175G5244 soft starter operates with a mains voltage range of 200-575 VAC.
Q: What is the heavy duty current capacity of the 175G5244 soft starter?
A: This model can handle a heavy duty current of up to 36 A.
Q: What is the control supply voltage for the 175G5244 soft starter?
A: The Danfoss 175G5244 features a control supply voltage of 24 VAC/VDC.
Q: What is the power rating for the Danfoss 175G5244 soft starter?
A: This soft starter offers a power rating of 18 kW for motor applications.
Q: What protection class does the Danfoss 175G5244 soft starter provide?
A: The 175G5244 is built to IP20 protection class, providing basic protection against solid objects.
