178F0578
Wake Industrial LLC is not an authorized distributor of this product.
MPN: VLT8102AT4C20STR0DLF00A31C0
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The Danfoss 178F0578 VFD is part of the VLT 8000 Aqua Drives series, designed for high-performance motor control with a rated output power of 100 HP. It features a supply voltage range of 3 × 380-480 V (±10%) and an output frequency max of 450 Hz. The drive has an enclosure rating of IP20.
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Product Description:
The leading manufacturer Danfoss produces 178F0578, delivering an output voltage of 0-100% of supply voltage. This Aqua Drive has maximum output frequency of 450 Hz and provides extended speed range for specialized pump applications and supports rapid transient response. Its rated motor frequency of 50/60 Hertz describes the nominal operating base for standard industrial motors. The displacement factor greater than 0.98 reduces reactive current draw and further improves system load sharing in multi-pump installations. Additionally, the true power factor of 0.90 nominal informs power billing and active power utilization.
The controller with maximum short-circuit current rating of 100 kA sets the coordination level for upstream protection. The IP20 enclosure rating “C20” defines required cabinet protection and installation placement for the module. The RFI filter configuration without filter “R0” indicates no built-in high frequency suppression. Further, the 178F0578 includes a local control panel with (LCP) “DL” which enables on-site parameter setup and live diagnostics. Its rated output power of 100 HP maintains the drive size for system capacity planning. Also, the rated output current at 380 to 440 V of 147 A sets conductor and breaker sizing for that voltage band. Its rated output current at 441 to 480 V of 143 A allows compatible protective device selection for the higher voltage range.
Additional specifications include the overload current 60 s rating at 380 to 440 V of 162 A specifies short term thermal capacity for transient loads. The overload current 60 s rating at 441 to 480 V of 143 A defines equivalent short-term capacity for the alternate supply band. The apparent power at 400 V of 102 kVA supports transformer and supply planning. The motor’s apparent power at 460 V of 104 kVA guides supply and metering arrangements. With a supply voltage of 3 × 380-480 V ±10%, the unit adjusts acceptable mains range and isolation design. Its supply frequency of 48-62 Hz ±1% sets permissible input frequency variation for stable operation.
Frequently Asked Questions about 178F0578:
Q: How is fault coordination influenced by 178F0578 drive?
A: The max short-circuit current of 100 kA simply sets the fault level the drive and mounting must tolerate. The protection devices should match this capability for safe interruption.
Q: What installation environment does the 178F0578 require?
A: The enclosure rating is IP20 C20 and it indicates protection suitable for enclosed cabinet installation.
Q: What motor size does the 178F0578 target?
A: The rated output power of 100 HP determines the drive class for motor matching. It aligns drive capabilities with motor mechanical output requirements.
Q: How are conductor sizes determined for 178F0578 at lower voltages?
A: The rated output current at 380-440 V is 147 A and it sets the conductor and protection device dimensions for that band.
Q: How are conductor sizes determined for the 178F0578 at higher voltages?
A: The drive’s rated output current at 441-480 V is 143 A and it defines the electrical sizing for the higher voltage range.
