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The Reliance Electric GV3000 series' 1V4122 drive is a 3-phase, 50/60Hz, NEMA-1-enclosed drive with a built-in keypad display, 1 HP, and an input voltage rating of 380-460 VAC.



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  • Part Number: 1V4122
  • SKU: 1V4122RE
  • Manufacturer: Reliance Electric
  • Series: GV3000 Drives

1V4122 Technical Specifications

Manufacturer Reliance Electric
Series GV3000
Part Number 1V4122
Input Voltage 380-460 VAC
Enclosure NEMA 1
Keypad/Display Built-In Keypad
Phase 3 Phase
Hz 50/60Hz
Instruction Manual D2-3312

Product Description

The 1V4122 is a 1 HP GV3000 3-Phase AC Drive. It was originally created by Reliance Electric and may have also sold under the ABB and Baldor Electric product lines.

The 1V4122 has an input voltage or 380-460 VAC +/-10%. It has a 2.0 KVA and 2.5 maximum input amps. It has a maximum output of 2.1 amps with a power loss wattage of 60. It has a 0.5% speed reference accuracy and a displacement power factor of 0.96. It has a line frequency of 50 Hz or 60 Hz (+/-5Hz). It has a -10 to +10% line voltage variation. The user can use software to select a 2 kHz,4 kHz, or 8 kHz carrier frequency.  It has a U.006 to 150% current limit adjustment. It has a 125 kHz maximum pulse tach input frequency. It has a typical 15 Hz speed control response and a 15 V speed feedback. It has a 6 amp AC fuse.

With low-horsepower models such as the Reliance's 1V4122 drive here, it is important to be cognizant of potential faults in drive function. One such fault that disproportionately inconveniences users of this GV3000 series drive is called the earth current failure fault, symbolized by the code EC on this drive's built-in keypad display. This fault may be caused be an unintentional grounding of the output, and to correct this fault, one should check the isolation between the drive's ground and output terminals, replacing defective sensors as deemed necessary. For a more specific breakdown on the EC fault corrective action and causes, please reference Reliance Electric instructional manual D2-3426 & D2-3427.

The 1V4122 is in a NEMA Type-1 rated enclosure. It is 8.75” wide, 11.05” tall, and 7.87” thick. It weighs right around 14 lbs. When mounting the drive, do so vertically making use of the four mounting holes that are on the drive base. It should be mounted in a clean, cool environment. Spacing should be considered and maintained to encourage proper airflow to the drive.

The 1V4122 has a display and keypad on its faceplate. It also has an RS-232 9-pin female port that is attached to the regulator board that can be accessed on the faceplate without needing to remove the enclosure. The regulator board is positioned directly behind the keypad so that its LED display can be seen on the keypad. The regulator board also has a control terminal strip.

Frequently Asked Questions about 1V4122

What are the maximum input and output amps for 1V4122?
1V4122 has 2.5 max input amps. 1V4122 has 2.1 max output amps.
What is the maximum pulse tach input frequency on 1V4122?
1V4122 has a maximum pulse tach input frequency of 125 kHz.
What are the inputs on a reliance 1V4122?
The inputs on 1V4122 are: speed reference input, stop, start, IET reset/function loss, run/jog, pulse tachometer, and 1V4122 has 3 programmable inputs. To understand the inputs on 1V4122 better, view table 2.2 in Manual D2-3312 - the Installing and Operating three-phase input three-phase output GV3000 AC Drives.
What are 1V4122's dimensions?
With the cover on, 1V4122 is about 8.75 by 11.05 inches. To see all of 1V4122's dimensions, including dimensions of 1V4122 with the cover off along with 1V4122's cover on, view figure 3.1 in Manual D2-3312. The figure in the manual is the GV3000 Drive Physical Dimensions for 460 VAC 1, 2, 3, and 5 HP drives, and the figure in the manual identifies each size point of 1V4122.

Reviews For 1V4122

Internal Review

While a low-horsepower model of drive at 1HP, Reliance Electric drive 1V4122 hails from the celebrated GV3000 series of discontinued automated drives known for their versatility and user-friendliness. Furthermore, this drive is elevated NEMA 1-type chassis featuring a RS-232 port for easy regulator board access. - AX Control Lead Technician

Repair Services For 1V4122

Type Lead Time Price Action
Repair Service 1-2 weeks $1418

Our highly skilled technicians can repair your 1V4122. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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