175G5018
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The 175G5018 is a soft starter with a rated motor power of 30 kW and an IP21 protection level. Designed by Danfoss for the MCD3030-T5-B21-CV4 series, it handles a maximum supply voltage of 525 VAC (3-phase). It features dimensions of 530mm depth, 132mm width, and 270mm height, weighing 11.5 kg.
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Product Description:
Danfoss built 175G5018 belongs to the top-rated MCD3030-T5-B21-CV4 product series. It carries a rated motor power of 30 kW which specify the continuous mechanical output for sizing the driven equipment and selecting compatible motor ratings. Continuous current rating of 68 A in ac53a mode defines conductor and protection requirements for thermal planning of enclosures. While the ac53b continuous current at 69 A sets the thermal limit for long term current handling and assists in verifying ambient derating and trip settings for protection devices.
A maximum supply voltage rating of 525 VAC with 3-phase establishes the permissible mains range and determines inverter and isolation component selection. The device has a degree of protection indicating limited protection against dripping water. A rated short-circuit current of 100 kA defines the maximum fault current the device and its mounting must tolerate for coordination with upstream protection. The unit’s line to earth insulation rated at 2 kV guides creepage and clearance design and affects selection of surge protection devices. Further, is line to line insulation at 1 kV defines internal isolation requirements for phase-to-phase stress during transient events. Model 175G5018 specifies an impulse withstand voltage of 2 kV for transient survival.
It also features Contact ESD immunity at 4 kV for protecting control inputs. This air ESD immunity at 8 kV guards exposed surfaces. The EMC class A aligns electromagnetic emissions with industrial limits. Moreover, the control inputs use 24 VDC active for logic compatibility. The variant’s relay output rate of 5 A at 250 VAC is for switching. Its depth at 530 mm defines cabinet and mounting clearance. The width at 132 mm sets module spacing in panels. Height at 270 mm determines vertical rack allocation. Having a mass of 11.5 kg dictates handling and support along with a maximum operating temperature of +60°C.
Frequently Asked Questions about 175G5018:
Q: What is the rated motor power for the 175G5018 variant?
A: The rated motor power of 30 kW value defines the continuous mechanical output for sizing driven equipment and matching torque requirements.
Q: How does the 175G5018 specify continuous current in AC53a mode?
A: The continuous current in ac53a mode of 68 A determines conductor sizing and protection device selection for sustained operation.
Q: Why is a separate continuous current listed for ac53b on the 175G5018?
A: Because a continuous current in ac53b mode is 69 A and this alternate current rating sets a different thermal limit for specific duty classifications.
Q: What maximum supply voltage does the 175G5018 accept?
A: The drive’s maximum supply voltage of 525 VAC (3-Phase) defines permissible mains ranges and influences isolation and switching component selection.
Q: How is enclosure protection defined for the unit 175G5018?
A: The degree of protection of IP21 indicates protection against vertically falling water droplets and partial protection from access to live parts.
