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  5. Ladder type 7B acc. to EN 81-20

Ladder type 7B acc. to EN 81-20

Pit wall ladder with lever mechanics, monitoring switch and foldable.


Ladder type 7B

Dimensional drawing

Pit wall ladder with monitoring switch, construction acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition.

* For ladder length 3.64m, the distance to the wall increases from 72mm to 82mm.

Overview of max. pit depth

ACCESSORY SET-C

Advice

a) According to EN 81-20 the ladder has to be so long, that the upper end or other suitable handholds reach out at least 1,10m above the landing door sill in the vertical position of the ladder.

If the pit ladder is mounted retroactively, together with a pit control unit, we recommend ACCESSORY SET-C pit ladder installation, art.no. 078629.

Products

Description
Ladder type 7B - 1.96m (078541)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 1.96 meter, number of steps: 7, maximum pit depth 0.79m.
Ladder type 7B - 2.24m (078542)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 2.24 meter, number of steps: 8, maximum pit depth 1.00m.
Ladder type 7B - 2.52m (078543)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 2.52 meter, number of steps: 9, maximum pit depth 1.30m.
Ladder type 7B - 2.80m (078544)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 2.80 meter, number of steps: 10, maximum pit depth 1.60m.
Ladder type 7B - 3,08m (078545)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 3,08 meter, number of steps: 11, maximum pit depth 1.80m.
Ladder type 7B - 3,64m (078546)
Pit wall ladder with monitoring switch, acc. to EN 81-20 and lever mechanics to decrease the wall distance in unused condition. Scope of delivery incl. monitoring switch, dowels and screws. Length 3,64 meter, number of steps: 13, maximum pit depth 2.40m.

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