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These products support selected elevator safety and door operation applications and are available in different designs and configurations.
Otis elevator door locks are used within landing door systems and are associated with door locking and interlock functions. Installed as part of the landing door arrangement, they help maintain door security and controlled access within elevator applications.
Otis triangle locks and triangle keys are associated with emergency access and maintenance functions within elevator door systems. The triangle key is commonly used to operate the emergency unlocking mechanism built into landing doors, allowing authorised personnel to gain access when required.
Otis elevator door contacts are safety switches used within the elevator safety circuit. They are designed to verify that elevator car doors or landing doors are fully closed and secured before elevator movement is permitted. These contacts form part of the door monitoring arrangement used within elevator safety systems.
Note: OTL010 - OTL013 are internal product reference codes used for identification and product selection purposes.
| Product Category | Functions |
|---|---|
| Door Locks | Support landing door locking and interlock applications within elevator systems. |
| Triangle Locks & Keys | Provide access to landing door unlocking mechanisms for maintenance and emergency access purposes. |
| Door Contacts | Verify the closed status of elevator car doors or landing doors within the safety circuit. |
1. Why do elevator landing doors require a separate locking arrangement?
Landing doors are installed at each floor and require a dedicated locking mechanism as part of the elevator door system and controlled access design.
2. Why are triangle unlocking mechanisms built into landing doors?
Triangle unlocking mechanisms provide authorised access to landing doors for maintenance, inspection and emergency access purposes when required.
3. Why are some door lock products identified by OEM references?
OEM references help identify specific product variants and assist with product selection for compatible elevator applications.
4. Why do elevator landing doors remain closed even when no elevator car is present?
Landing doors are designed to remain closed as part of the door system arrangement at each floor and are only intended to be accessed through the appropriate door mechanisms.