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Part of the GV3000 Series of Alternating Current Drives model 126ET4060 is vertically mounted and requires a 5/16" washer or bolt based on the HP of 7.5. The specific enclosure associated with this model is based on the 4 in the part number and will be NEMA 12 or NEMA 4x.



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  • Part Number: 126ET4060
  • SKU: 126ET4060RE
  • Manufacturer: Reliance Electric
  • Series: GV3000 Drives

126ET4060 Technical Specifications

Manufacturer Reliance Electric
Series GV3000
Part Number 126ET4060
HP 7.5 HP
Input Voltage 380-460 VAC
Enclosure IP20
Keypad/Display Built-In Keypad
Phase 3 Phase
Hz 60Hz
Instruction Manual D2-3426 & D2-3427

About the 126ET4060

This drive is classified as an "Alternating Current drive" manufactured for Reliance Premium's GV3000 series of automated drive. This model is considered a member of the GV300 legacy series family, as it could have potentially been sold by a number of different retailers following its discontinuation by the original, Reliance Electric. Depending on the model year of the GV3000 drive, it could have been created by Reliance Electric, Baldor Electric, ABB, or Rockwell Automation. Alternating Current Drive 126ET4060 is a model that has two different enclosure types which are NEMA 12 or NEMA 4x, the NEMA 4x enclosure can only be used in indoor applications. Occasionally during the operation of this model, the fan assembly on the model will go up and will need to be replaced, based on the horsepower of this drive, which is 7.5. There are two fan assemblies required with a replacement part number of 615161-S. This model is available for both repair and replacement here, with a standard repair lead time of one to two weeks.

Hardware Tips and Specifications

During the operation of the 126ET4060 drive the regulation will be performed through a microprocessor on the regulator board. The operation of the drive can be adjusted by the parameters that will be adjusted through the keypad on the front panel of the model. All information regarding the regulator board and its function can be found in the attached D2-3360-5 GV3000/SE AC Drive Hardware Reference, Installation, and Troubleshooting Manual in the second chapter. a 3-phase drive, the 126ET4060 drive does feature a 6.0 regulator version, compatible with a number of effective regulator boards, as described below. This drive specifically features an input voltage of 380-460 VAC, which supports the drive's 7.5 HP horsepower rating. This drive comes equipped with a standard IP20-type enclosure, allowing for protection against solid objects no smaller than 12.5 mm (like a human finger). Please note that the IP20 protective chassis associated with this drive is not protectant against items smaller than this 12.5mm berth, like a screwdriver or copper wire. With a waterproofing rating of 0 on the IP scale, this drive is not recommended for outdoor installation or use, and is not considered dust-proof. For more information on the IP20 protective rating, reference official retailer NEMA's handy blog post here; https://www.nemaenclosures.com/blog/ingress-protection-ratings/.


Software Tips and Specifications

There are two different startup procedures depending on the regulation of the device, this device, can operate on Volts/Hertz (V/Hz) or Vector Regulation. The D2-3426-2 GV3000/SE AC General Purpose (Volts/Hertz) and Vector Duty Bookshelf Drive Software Start-Up and Reference Manual Version 6.06 from Reliance Electric provides detailed information regarding the start-up procedure; step-by-step instructions for every procedure which includes, running the drive, accessing the program mode, configuring the parameters for both V/Hz and General modes, checking the motor rotation direction, powering up, and checking monitor mode displays will be provided in the aforementioned manual in the first chapter. Please note that the first chapter in the D2-3426-2 is strictly for Volts/Hertz regulation, information on how to start up the device in Vector regulation is found in the second chapter. 

A number of common faults can possibly inconvenience the 126ET4060 drive owner, including the overspeed fault. This fault, represented by the fault code OSP on this drive's built-in keypad display, occurs due to an RPM above a 130% maximum speed, with a concurrent non-optimized speed regulator response. To rectify the drive overspeed fault and return to regular drive functioning, several drive parameters must be checked; including those describing encoder ppr, motor poles, base frequency, motor nameplate RPM speed, and reg. proportional integral gain. A more detailed guide on GV3000 fault code troubleshooting is available online with Reliance Electrics' instruction manual D2-3426 & D2-3427.


This specific 126ET4060 drive from Reliance Electric's GV3000 series features a 6.0 regulator version, allowing this drive's compatibility with a number of GV3000 regulator boards for sale here through AX Control, including:

Frequently Asked Questions about 126ET4060

What does fault code error "EEr" mean on 126ET4060?
When fault code "EEr" appears on 126ET4060, it means there was a failure on write to non-volatile memory. This fault is called the non-volatile memory write failure fault on 126ET4060. To correct this fault, connect CS3000 software to upload parameters or record by hand and then replace the regulator board on 126ET4060. You will lose parameter values when 126ET4060 recycles power.
What is the input KVA on 126ET4060?
126ET4060 has 10.4 input KVA.
What is the default carrier frequency on 126ET4060?
126ET4060 has a default carrier frequency of 2 kHz. To change the carrier frequency on 126ET4060, adjust parameter P.047.
How many input amps does 126ET4060 have?
126ET4060 has 13 input amps.

Reviews For 126ET4060

Internal Review

While somewhat less-horsepowered than other available GV3000 series models at 7.5 HP, the 126ET4060 features a hefty input voltage of 380-460 VAC, and flaunts an updated regulator version of 6.0. This discontinued drive from Reliance Electric features the same versatility revered in other GV3000 series models, with a communicative built-in keypad display and dual regulation capabilities for vector or volts/hertz regulation. - AX Control Lead Technician

Repair Services For 126ET4060

Type Lead Time Price Action
Repair Service 1-2 weeks $1493

Our highly skilled technicians can repair your 126ET4060. 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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