FGH40K-2000G-90G-NG/20P Heavy-Duty Encoder Replacement Solution

The FGH40K-2000G-90G-NG/20P heavy-duty incremental encoder is a precision feedback device designed for demanding industrial applications, particularly in the steel and metallurgy sectors. As the original model has become increasingly difficult to obtain, we provide a fully customized 1:1 replacement solution. Our engineering team ensures exact replication of all mechanical and electrical specifications — including pulse resolution, output signals, shaft size, and mounting dimensions — allowing seamless installation into existing systems without modification. This custom replacement not only maintains system compatibility but also solves procurement delays and long lead-time issues common with rare or discontinued models.

In practical use, the FGH40K-2000G-90G-NG/20P stands out for its accuracy, mechanical robustness, and consistent signal performance under extreme industrial conditions. It is widely used in rolling mills, heavy machinery, and metallurgical automation lines where precision feedback and reliability are critical for production stability. Our customized encoder preserves all the original functional parameters while offering non-standard options such as alternative connectors, special shafts, or custom housing designs. This flexibility allows users to adapt their systems easily and extend the operational life of valuable equipment without compromising on performance.

Our heavy-duty encoder replacement solutions are already in service across multiple regions including the Middle East, Russia, Southeast Asia, Indonesia, and South America. These installations have demonstrated high stability and precision in continuous operation, helping global customers overcome supply shortages and reduce equipment downtime.

Replacement solution reference image.

Incremental Encoder Specifications (FG(H)40 Series)

Construction type

• Solid shaft B5 (flange) or B35 (flange + foot)
• H = Hollow shaft
• HJ = Hollow shaft (isolated)

Series

[Series information not explicitly listed in the image]

Electrical connection

• R = Terminal strip in a terminal box / 12-pole round connector Bundy
• C = Cable outlet / FCC connector in a terminal box
• KK = Second terminal box (available output signals on request)

Pulses per rotation

• Square pulses: 500, 600, 1000, 1024, 1200, 1300, 2000, 2048, 2400, 2500, ...1 million
• Sinus signals: 500, 600, 1000, 1024, 1200, 1300, 2500
• Other pulse ratios on request

Signal output

• Basic version: 0°, 90°, each with inverted signals
• - = without reference pulse
• NG = Reference pulse with inverted signal

Additional options signal outputs (see p.11)

• 2F = Option 2F; B2 = Option B2
• B = Option B; B3 = Option B3

Overspeed switch (see p.11)

• - = without option S
• S = Option S

Shaft