300, 400 and 600 mm. For utility chambers, inspection pits and paved footways where a square opening is already built.
Dimensions in mm. O = clear opening, D = nominal size, F = frame outer, h = cover depth, H = total height.
| Code | Load class | O | D | F | h | H | Weight |
|---|---|---|---|---|---|---|---|
| NX-S300A | A15 | 260×260 | 300×300 | 380×380 | 25 | 35 | 4.8 kg |
| NX-S300B | B125 | 240×240 | 300×300 | 375×375 | 37 | 57 | 10.0 kg |
| NX-S300C | C250 | 240×240 | 300×300 | 375×375 | 37 | 57 | 10.0 kg |
| NX-S400A | A15 | 350×350 | 400×400 | 490×490 | 30 | 45 | 10.5 kg |
| NX-S400B | B125 | 350×350 | 400×400 | 490×490 | 30 | 45 | 13.8 kg |
| NX-S600A | A15 | 550×550 | 600×600 | 710×710 | 30 | 45 | 17.5 kg |
| NX-S600B | B125 | 550×550 | 600×600 | 710×710 | 30 | 45 | 25.5 kg |
Non-through lifting holes · shock-absorbing rubber ring · screw-locking structure · custom logo and surface pattern.
Square covers to 900 mm and non-standard clear openings.
Black, grey, green, sand, or matched to a RAL reference.
Give us the clear opening, the load class and the annual quantity. You get a price, a drawing and a delivery date — usually within two working days.
Request a quote