The FGH40SS-2048G-90G-NG/20P is a heavy-duty incremental encoder widely used in metallurgical processes, steel rolling lines, and other demanding industrial automation systems. As the original model becomes increasingly difficult to obtain, we offer a fully customized 1:1 replacement solution. Our replacement precisely matches the original encoder’s mechanical dimensions, shaft size, pulse resolution, and electrical output, ensuring seamless integration into existing systems without the need for modifications. With an efficient production process, we are able to provide short delivery times, helping customers quickly overcome sourcing difficulties and maintain uninterrupted industrial operations.
In industrial applications, the FGH40SS-2048G-90G-NG/20P is valued for its reliability, precision, and durability under harsh conditions, including vibration, temperature fluctuations, and dust exposure. Our replacement encoders preserve these critical performance characteristics while offering flexibility for non-standard requirements, such as customized shafts, connectors, or mounting options. This makes them an ideal solution for rolling mills, heavy-duty drives, and automated steel production equipment, providing stable and accurate feedback for continuous operation in challenging environments.
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 |
