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. |