No. |
Description name |
Description |
No. |
Description name |
Description |
1 |
Static electricity protection |
Eliminate static electricity raised from running of steps. |
11 |
Over-load protection |
Protection against risk of motor continually over-load. |
2 |
Emergency stop button |
Push the emergency stop button to shop the escalator/moving walk against emergency raise. |
12 |
Step sagging protection |
Protection against risk of steps being breakage and sagging. |
3 |
Skirting protection |
Protection against risk of foreign bodies being jammed into clearance between steps and skirting. |
13 |
Broken step chain protection |
Protection against risk of steps being breakage or under elongation. |
4 |
Handrail entry safety protection |
Protection against risk of foreign bodies being jammed into handrail entry. |
14 |
Comb teeth safety protection |
Protection against risk of foreign bodies being trapped at the point where the step enter the comb. |
5 |
Main drive chains safety protection |
Protection against risk of drive chains being breakage or undue elongation. |
15 |
Handrail speed and broken handrail monitor |
It detects the handrail speed and monitors the broken handrail. |
6 |
Over-speed protection |
Protection against risk of speed being over 20% of rated speed. |
16 |
Skirting anti-clamp device |
It sets protection brush in the skirting on both sides of the step. |
7 |
Under-speed protection |
Protection against risk of speed less than over 80% of rated speed. |
17 |
Step missing detection |
It detects the step missing in the stairway. |
8 |
Un-intentional reversal protection |
Protection against risk of unintentional reversal protection. |
18 |
The brake opens the monitor switch |
It monitors whether the brake opens or not in during the escalator running. |
9 |
Floor-plate monitor switch |
When the pit cover plate opens,it cuts off safety circuit and stops the escalator safety switch. |
19 |
Handwheel and handwheel protection cover open safety |
During the use of handwheel,when open the handwheel and the handwheel protection cover,the safety switch will cut the safety circuit against escalator running. |
10 |
Short circuit protection |
Protection against risk of short circuit. |
20 |
Lack of phase,error phase protection
|
Protection against risk of phase failure.
|