Model HPB21 Press To Exit Button Clear, reliable exit control for access systems. The HPB21 is a compact momentary push button designed to provide a simple, unmistakable way to release electric locks and signal exit circuits. Key benefits Simple operation: onepress exit control that is intuitive for all users. Reliable performance: engineered for frequent use to maintain consistent operation over time. Easy integration: compatible with common access control panels, electric strikes, magnetic locks, and alarm or monitoring circuits. Spaceefficient: compact footprint fits standard mounting locations without drawing attention. Durable construction: built to withstand daily use in commercial and institutional settings. Low maintenance: straightforward wiring and serviceable design reduce installation and upkeep time. What it does and why you need it Provides a dedicated, accessible exit control point to safely and clearly release secured doors. Prevents confusion during egress by offering an obvious, singleaction control. Works as part of a complete access control system to manage secure entry and regulated exit. Compatibility and function Designed for use with most access control systems, electric locking hardware, and exit monitoring circuits. Operates as a momentary pushtoexit switch; wiring for normally open or normally closed configurations can be accommodated by standard access control wiring practices. Suitable for integration with door controllers, strike relays, and alarm panels. Size and material (general) Compact, lowprofile design intended for standard mounting locations. Constructed from robust materials for reliable everyday operation in traffic environments. Performance and reliability Built for frequent use with a responsive push action and consistent contact closure. Simple, serviceable design reduces downtime and replacement costs. Typical applications Office and commercial buildings: mounted at interior exit points to release electric locks and provide clear egress for staff and visitors. Secure areas and server rooms: used as a controlled exit point within a monitored access control system. Parking facilities and loading bays: installed near exits to give drivers and personnel a quick and reliable way to open secured doors or gates. Installation notes Intended for straightforward installation by qualified technicians familiar with access control wiring. Compatible with common wiring conventions used for exit buttons and door release circuits. Can be used with a variety of mounting arrangements where a compact, visible exit control is required. Model reference HPB21 Press To Exit Button for access control and door release applications. This description focuses on practical benefits, compatibility, and typical use to help determine whether the HPB21 meets your exit control requirements.