Clear locked and unlocked status at a glance. The LOCKTON SEMA™ wide indicator furniture combines a large, high-contrast viewing window with durable commercial door hardware for bathrooms, meeting rooms, accommodation and shared facilities.

Designed for clear, accessible status indication
SEMA™ Status Indication Technology mechanically links the snib position to the viewing window, providing real-time door status without relying on electronics. Clear text and high-contrast colour make the lock position easy to recognise quickly.
- Suits most 60 mm Australian mortice locks
- Retrofits most existing wide-plate furniture
- Large LOCKED / UNLOCKED viewing window
- External emergency turn and lever
- Easy-change lever handing
- Quality return spring
- Complies with the disability-access requirements of AS 1428.1–2009

Flexible messages for different spaces
Interchangeable display panels allow the message to suit the application, with options including unlocked/locked, welcome/do not disturb, available/in use and vacant/occupied.

Product specifications
| Product | LOCKTON SEMA™ wide square-end external emergency turn and lever |
|---|---|
| Art ID | SQSM-53C-25-LU-SCP |
| Material | Solid brass plate and handle; stainless steel display panel |
| Plate dimensions | 165 × 46 × 12 mm (L × W × D) |
| Mounting centres | 150 mm |
| Mounting screws | M5 × 55 mm |
| End type | Square |
| Physical security rating | SL8 |
| Durability rating | D8 — tested to 500,000 cycles |
| Warranty | 10 years, subject to manufacturer terms |

Commercial door furniture supplied and installed
Abetta Mobile Locksmith can assess compatibility with your existing mortice lock and door preparation, then supply and install suitable commercial door furniture across the Sunshine Coast.
Registered designs: Australia 202615334 and 202615333; New Zealand 437396 and 437397.