The FGH40KK-2048G-90G-NG/20P is a heavy-duty incremental encoder designed for industrial automation and metallurgical applications where precision and durability are critical. As the original model has become increasingly difficult to source, we offer a fully customized 1:1 replacement solution. Our encoder replicates all key parameters, including mechanical dimensions, pulse resolution, shaft size, and electrical output, ensuring seamless integration into existing systems without modification. The production process is optimized to maintain short delivery times, allowing customers to quickly address procurement challenges and reduce potential downtime in their operations.
In demanding industrial environments, the FGH40KK-2048G-90G-NG/20P is valued for its robustness, stable signal output, and resistance to harsh conditions such as vibration, high temperatures, and dust exposure. Our replacement encoders preserve these essential characteristics while offering flexible customization options, including alternative shafts, connectors, and mounting configurations. This makes them ideal for heavy-duty machinery, rolling mills, and automated steel production systems that require reliable and precise feedback to ensure 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 |
