137c:0401 — AC Drive
YASKAWA ELECTRIC CORP.
- Vendor ID
- 137c
- Product ID
- 0401
- Combined
- 137c:0401
- Decimal
- 4988:1025
What is this device?
This is the USB identifier for a AC Drive manufactured by YASKAWA ELECTRIC CORP.. The vendor ID 137c is registered to YASKAWA ELECTRIC CORP. with the USB Implementers Forum, and 0401 is the product ID that YASKAWA ELECTRIC CORP. assigned to this particular model. When you run lsusb on Linux, this device appears as 137c:0401 YASKAWA ELECTRIC CORP. AC Drive.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 137c:0401 YASKAWA ELECTRIC CORP. AC Drive
You can filter directly with lsusb -d 137c:0401, or get the full descriptor dump with lsusb -v -d 137c:0401. Kernel messages from dmesg show the same pair as idVendor=137c, idProduct=0401.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_137C&PID_0401 USB\VID_137C&PID_0401&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_137C&PID_0401"
macOS
$ system_profiler SPUSBDataType
AC Drive:
Product ID: 0x0401
Vendor ID: 0x137c (YASKAWA ELECTRIC CORP.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
137c YASKAWA ELECTRIC CORP. 0401 AC Drive