084B2028
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MPN: AKC 24P2
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The 084B2028 is an adaptive cooling drive manufactured by Danfoss. Part of the AKD Adaptive Cooling Drives series, it operates at a supply voltage of 3 x 380-480 VAC and offers a typical shaft output of 7.5 hp at 460V. The drive has a high efficiency of 0.97 and supports a continuous output current of 13A at 380-440V.
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Product Description:
Danfoss made 084B2028 is a part of AKD Adaptive Cooling Drives lineup. The unit specifies supply voltage of 3 x 380 - 480 VAC and allows direct connection for stable motor supply. Its normal overload 110% for 1 minute defines temporary overcurrent allowance and protects the drive against short duration torque demands. Typical shaft output 5.5 kW indicates the continuous mechanical power available at the drive shaft. Also, the typical shaft output (HP at 460V) 7.5 hp clarifies imperial horsepower rating for compatibility with existing pump and fan specifications.
The drive’s efficiency 0.97 gives the conversion ratio of input electrical power to mechanical output. Continuous Kva at 400v 9 kva supplies the apparent power figure for transformers and supply planning at that voltage. Further, continuous Kva at 460v 8.8 kva provides the equivalent apparent power for 460 V systems and refines supply capacity checks. Output current continuous for this cooling unit is 380-440v (a) 13 A sets the steady current. As the drive delivers in that voltage band and affects conductor sizing. Output current continuous 440-480v (a) 11 A gives the continuous current for higher line voltages and informs protection settings. This output current intermittent 380-440v (a) 14.3 A defines short term current capability and guides short time thermal limits.
Drive 084B2028 records output current intermittent 440-480v (a) 12.1 A that limits peak current for brief duty at higher voltage. Maximum input current continuous at 380-440v (a) 11.7 A gives the continuous supply current draw and informs upstream breaker ratings. Moreover, the maximum input current continuous of 440-480v (a) 9.9 A provides the continuous input current at higher supply voltages. Having max pre-fuses (a) 32 A sets the highest allowable fuse rating and determines short-circuit protection coordination. Output frequency range 0.2–132 Hz defines the controllable motor speed band for application tuning. The device’s maximum ambient temperature 50°C without derating sets thermal limits for uninterrupted operation.
Frequently Asked Questions about 084B2028:
Q: What continuous mechanical power rating does 084B2028 provide?
A: Typical shaft output of 5.5 kW determines compatible motor and driven equipment selection. Mechanical coupling and torque requirements use 5.5 kW as the continuous power baseline.
Q: Which apparent power applies at 400 V for 084B2028 unit?
A: The unit’s continuous Kva at 400v is 9 kva and that defines transformer sizing and supply capacity at 400 V.
Q: How does the imperial power specification relate to 084B2028 drive?
A: The 7.5 hp rating at 460 V allows the 084B2028 to be directly matched with motors and equipment that follow imperial standards.
Q: What efficiency figure applies to 084B2028?
A: Having an efficiency of 97% sets the proportion of input power converted to shaft output.
Q: Which apparent power applies at 460 V for 084B2028?
A: Its continuous Kva at 460v (apparent power) is 8.8 kva. This figure defines apparent power needs for 460 V systems. Supply planning and power factor considerations must reference 8.8 kva for proper selection.
