Key lock switch for secure doors that combines clear function, long life, and broad compatibility Key benefits Increased security and control: Mechanical key lock switch gives authorized personnel a simple way to enable or disable access. Keys provide physical control over door operation. Clear status and easy operation: Built in on/off indicator makes it simple to see whether the circuit is active. The key operates smoothly for fast, reliable switching. Long lasting and low maintenance: Solid stainless steel construction resists rust and keeps its appearance over time for consistent performance. Broad compatibility: Works with all access control systems and fits both residential and commercial applications, simplifying integration with existing installations. Flexible key use: Keys can be removed in both the on position and the off position, allowing installation and operational policies to be tailored to site needs and reducing the chance of accidental misuse. Important attributes Function: Key operated changeover switch with visible on off indicator for door and access control circuits. Material: Stainless steel housing for corrosion resistance and a professional finish. Compatibility: Designed to interface with all access control systems and standard door control wiring. Performance: Durable mechanical operation for repeated use, rust resistant for long term reliability. Key handling: Removable key in both positions for flexible control and simple daily operation. Typical applications Residential buildings and gated communities: Provide an easy way for managers or residents to enable or disable access to common doors, gates, or garage entries. Commercial and office facilities: Control after hours access to server rooms, storage areas, or service entrances while clearly indicating lock status. Multi tenant or institutional sites: Integrate with existing access control systems to add a physical override or master control point for maintenance and emergency procedures. Delivery Straightforward mechanical device intended for integration into access control circuits. Designed for installers and facility managers who need a durable, visible, and easy to operate key lock switch without changing system architecture.