Sargent 55-12-8910-J Fire Rated Mortise Exit Device, Exit Only, For 37-42" Dr Widths, Request To Exit

The Sargent 55-12-8910-J is a fire-rated mortise exit device built for reliable, code-compliant egress on heavy-use commercial openings. Designed for door widths from 37 to 42 inches, this exit-only device integrates a mortise lock body for strong, secure latching while providing smooth panic hardware operation. The 55 prefix adds a Request-to-Exit (RX) switch, allowing the device to signal access control and alarm systems when the push bar is activated. As part of Sargent's durable 8900 series, it delivers dependable performance and meets fire-door requirements, making it a trusted choice for schools, healthcare facilities, and institutional buildings.

Features

• Fire-rated mortise exit device suitable for labeled fire door assemblies.
• Exit-only configuration with no outside trim for secure one-way egress.
• Sized for wide door applications spanning 37 to 42 inches.
• Mortise lock body provides robust latching and long-term durability.
• Integrated Request-to-Exit (RX) switch for access control monitoring.
• Grade 1 construction engineered for high-traffic commercial environments.

Functional Details

The 55 Request-to-Exit option incorporates a built-in switch that activates when the touchpad is depressed, sending a signal to access control or alarm systems to indicate a valid exit and shunt door alarms.

• 55 - Request to Exit (RX) switch monitors the exit device push pad.
• Signals access control systems when egress occurs.