
Effective: 1-09-12 1 L-2655
Bypassable Variable Frequency Drives
Smooth Starts & Stops Without Electrical Disturbances
HP
Rating
Voltage
# List Price
5HP 17.5A 230V 4250500 $7,000.00
7.5HP 25A 230V 4250501 $8,000.00
10HP 31A 230V 4250502 $9,700.00
15HP 48A 230V 4250503 $11,000.00
20HP 61A 230V 4250504 $13,000.00
25HP 75A 230V 4250505 $15,500.00
5HP 9A 460V 5250510 $7,000.00
7.5HP 12A 460V 5250511 $8,000.00
10HP 16A 460V 5250512 $9,700.00
15HP 23A 460V 5250513 $11,000.00
20HP 31A 460V 5250514 $13,000.00
25HP 38A 460V 5250515 $15,500.00
Key Features:
♦ Eliminates inrush current at compressor startup.
♦ Eliminates power spikes at compressor shutdown.
♦ Bypasses the VFD once compressor is at peak speed for no electrical disturbances.
♦ Eliminates the need for line reactors and RFI filters.
♦ One unit can control up to four compressors.
♦ Available in sizes from 5HP to 25HP for 208V/240V or 380V/460V systems.
Silences Noisy AC_Driven Blower Motors
Item No. List Price USD
Description
4220053 $800.00 WhisperFan Controller 230V
4220054 $800.00 WhisperFan Controller 115V
Key Features:
♦ Eliminates blower motor noise associated with low fan speeds.
♦ Makes AC-driven blowers as quiet as DC-driven blowers.
♦ User-programmable fan speeds.
♦ Provides overload protection to blower motor.
♦ Easy and economical solution for noisy fans.
♦ Works with all Marine Air cabin controls.
♦ Controls blowers up to three amps.
♦ Supports blowers that are 208-240VAC/50-60Hz.
♦ Support for 115VAC/60Hz blower motors available soon.
The WhisperFan Controller
has a two-button keypad that
allows you or your installer
to adjust your fan speed
settings.
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