STI · STI-4130EM

STI Break Glass Stopper® - Large with Spacer - STI-4130EM

Mechanical break glass stopper designed to provide manual emergency access override when electrical systems fail or power is unavailable

• Purely mechanical activation operates independently of power, network, or electronic systems.
• Integrated spacer accommodates standard commercial door frame geometries for direct fit.
• Includes complete fixing kit, enabling straightforward installation without electrical wiring.

STI · STI-4100

STI STI-4100 Break Glass Stopper Large

Large-format break glass stopper designed to protect emergency keys and documents while keeping them visible and accessible during a life-safety event

• Large-format stopper fits keyboxes requiring a 100mm × 111mm aperture.
• Protects keys from unauthorized access while enabling instant break-glass override.
• Supplied with a complete fixing kit for direct mounting to wall or door frame.

STI · STI-4100EM

STI STI-4100EM Break Glass Stopper Large Emergency

Large break glass stopper for emergency egress and manual override

STI · STI-4130-FR

STI Break Glass Stopper® Large with Spacer, French Labeling

Large break glass stopper with spacer for STI TCP/IP stations

• Integrated spacer simplifies mounting in access control and emergency systems
• French labeling supports North American and international deployments
• Compatible with STI break-glass stations using TCP/IP communication

STI · STI-6100

STI STI-6100 Break Glass Stopper Small

Break glass stopper designed for small emergency keyboxes in fire safety and access control installations

• Secures emergency keys in STI-6720 small keybox while keeping them visible for rapid retrieval.
• Deters unauthorized access without blocking immediate key retrieval during fire or emergency events.
• Compatible exclusively with STI-6720; replacement glass kit KIT-672 available for continued service.