The FGH40KK-1024G-90G-NG/20P is a heavy-duty incremental encoder widely used in steel production, rolling mills, and other industrial automation systems requiring high reliability and precision. As the original model becomes increasingly difficult to procure, we offer a fully customized 1:1 replacement solution. Our replacement encoder precisely matches the original mechanical dimensions, shaft size, pulse resolution, and electrical output, ensuring seamless integration into existing systems without any modification. The production process is optimized for efficiency, allowing short delivery times to help customers overcome sourcing challenges and minimize operational downtime.
In real-world applications, the FGH40KK-1024G-90G-NG/20P is valued for its robust construction, stable incremental feedback, and ability to withstand harsh industrial environments with vibration, high temperatures, and dust exposure. Our replacement maintains these essential performance characteristics while also providing flexibility for non-standard requirements, such as alternative shaft types, connectors, or mounting interfaces. This makes it a reliable solution for heavy-duty machinery, rolling mills, and automated metallurgical equipment, ensuring consistent performance and long-term operational stability.
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
| Type | Specification |
|---|---|
| with feather key/keyway | |
| Solid shaft | 16P = Ø 16 H7 mm (option H6) |
| 18P = Ø 18 H7 mm | |
| 20P = Ø 20 H7 mm | |
| Hollow shaft | 16PF = Ø 16 H7 mm |
| 18PF = Ø 18 H7 mm | |
| 20PF = Ø 20 H7 mm | |
| with clamping | |
| Hollow shaft | 16K = Ø 16 H7 mm |
| 25K = Ø 25 H7 mm |
