View source for Hitachi WJ-C1 Series VFDs

== Overview ==

Variable frequency drives (inverters) made by Hitachi. They can be configured using a USB port, support RS-485, and come in both single phase and three phase input power variants. They seem to be the successor to Hitachi's [[Hitachi WJ200 Series VFDs|WJ200 series]].

== Model Numbers ==

* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=49 Page 49] (3-1-2 in the PDF) shows the model number breakdown
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=412 Page 412] (17-1-1 in the PDF) has the specification table

== Wiring Diagram ==

* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=64 Page 64] (5-2-1 in the PDF) lists the power terminals
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=69 Page 69] (5-2-6 in the PDF) shows the power terminal layout
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=78 Page 78] (5-3-8 in the PDF) specifies the external braking resistor sizing
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=79 Page 79] (5-4-1 in the PDF) shows example wiring for the control terminals
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=81 Page 81] (5-4-3 in the PDF) shows the control terminal layout
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=87 Page 87] (5-4-9 in the PDF) shows the sinking vs. sourcing mode for digital inputs

== Parameters ==

Basic mode:

* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=434 Page 434] (18-2-1 in the PDF) lists the parameters

Extended mode:

* [https://www.hitachi-iesa.com/sites/default/files/inverter-pdf/WJ-C1_Users%20Guide%20for%20Extended%20mode_NT363X_Web.pdf#page=577 Page 577] (18-2-1 in the PDF) lists the parameters

== Dimensions ==

* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=59 Page 59] (4-1-4 in the PDF) lists the clearances in the cabinet around the inverter
* [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf#page=417 Page 417] (17-2-1 in the PDF) has dimensional diagrams

== Software ==

[https://www.hitachi-iesa.com/ac-drives-inverters/software-downloads Industrial Inverters Software Downloads | Hitachi IESA]

{| class="wikitable"
! Filename
! Size
! MD5
! SHA1
! SHA256
|-
| [https://www.hitachi-iesa.com/sites/default/files/supportingdocs/ProDriveNext%202.3.30.7.zip ProDriveNext%202.3.30.7.zip]
| 41,605,305 bytes
| c8988fb9f11b2b08399467e423d33cf7
| f2f8ebe83874ddb24c6fd2644bcf8947fbf8a15b
| aec91b44b26bc0a5fd631aec87e0e98c00226949a36c7eee1c4bce752117e376
|}

== Online Resources ==

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_UsersGuide_NT361X.pdf Hitachi WJ-C1 Series Basic Mode User Guide (NT361X)]

[https://www.hitachi-iesa.com/sites/default/files/inverter-pdf/WJ-C1_Users%20Guide%20for%20Extended%20mode_NT363X_Web.pdf Hitachi WJ-C1 Series Extended Mode User Guide (NT363X)]

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/2025.06.06_WJ-C1_Quick_Start_Guide-Basic(Interactive).pdf Hitachi WJ-C1 Quick Start Guide: Basic Mode]

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/2025.07.31_WJ-C1_Quick_Start_Guide_Extended_Mode(Interactive).pdf Hitachi WJ-C1 Quick Start Guide: Extended Mode]

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/Hitachi_QuickStartGuide_C1_Extended_SidebySide.pdf Hitachi Quick Start Guide Extended Mode (Essential) Parameters]

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/WJ-C1_BasicGuide_NT3611AX.pdf Hitachi WJ-WC1 Inverter Basic Guide (NT3611AX)]

[https://www.hitachi-iesa.com/sites/default/files/supportingdocs/Hitachi-WJ%20C1-inverter_3.7.24.pdf Hitachi WJ-C1 Series Brochure (SM-E274 0723)]

[https://www.hitachi-iesa.com/sites/default/files/inverter-pdf/How%20to%20change%20control%20modes.pdf Changing basic/extended mode on the WJ-C1 series]

[https://www.hitachi-iesa.com/ac-drives-inverters/wj-c1-series WJ-C1 Series AC Variable Speed Drives and Inverters | Hitachi IESA]

[https://hitachiacdrive.com/wj-c1/ WJ-C1 Archives - Hitachi AC Drives / VFD Drives - Hitachi AC Drive - Hitachi VFD | Owned and Operated by AutomatedPT]