Sargent 12-8863-G-PTB Fire Rated Rim Exit Device, Classroom Function, PTB Thumbpiece Trim, 43"-48" Door Width, Less Dogging, Grade 1, Reversible, Less Cylinder

The Sargent 12-8863-G-PTB is a fire rated rim exit device engineered for high-traffic openings that require dependable security and reliable egress. Built with a classroom function, it allows the outside PTB thumbpiece trim to be locked or unlocked by key, while the interior push bar always permits free exit. Designed for doors measuring 43 to 48 inches wide, this Grade 1 device ships less dogging in keeping with fire rated requirements and includes a reversible design to fit both left and right hand openings. Supplied less cylinder, it lets you specify the keying system that matches your facility's existing hardware.

Features

• Fire rated rim exit device suitable for labeled door and frame assemblies.
• Classroom function controls access through the outside thumbpiece trim by key.
• PTB thumbpiece trim provides a durable, easy-to-operate exterior pull.
• Sized for doors 43 to 48 inches wide.
• Less dogging, as required for fire rated applications.
• Reversible to accommodate both handings during installation.
• Ships less cylinder so you can match your preferred keyway.
• Grade 1 rated for demanding commercial environments.

Functional Details

In classroom function, the outside thumbpiece trim can be locked or unlocked with a key, and the push bar on the interior always allows free egress regardless of the locked state.

• Outside trim locked or unlocked by key.
• Key cannot be removed when latch is retracted by key.
• Latchbolt operated by lever/thumbpiece from outside when unlocked.
• Always free egress from inside.

Arm Type Details

This unit uses the PTB thumbpiece trim, which pairs an escutcheon plate with a thumbpiece actuator to retract the latch from the exterior when the device is unlocked, offering a sturdy grip surface for everyday use.

Included Components

The package includes the rim exit device chassis, PTB thumbpiece trim, mounting hardware, and strike. A cylinder is not included and must be ordered separately.