Safety Device Set
AssemblyCode-required protective switches that stop the escalator on a missing or broken step, comb-plate impact, skirt obstruction, handrail-speed deviation or step-chain breakage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Safety Device Set
6 top-level lines as of r59034| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Step-Missing Switch | escalator-step-missing-switch | 1× | 1 | · | part |
| 2 | Comb-Impact Switch | escalator-comb-impact-switch | 2× | 2 | · | part |
| 3 | Skirt Obstruction Switch | escalator-skirt-switch | 2× | 2 | · | part |
| 4 | Handrail Speed Switch | escalator-handrail-speed-switch | 2× | 2 | · | part |
| 5 | Broken Step-Chain Switch | escalator-broken-chain-switch | 1× | 1 | · | part |
| 6 | Emergency Stop Button | escalator-estop-button | 2× | 2 | · | part |