Sargent 12-8974-F-ETB-12V Fire Rated Mortise Exit Device, Electrified Trim 12V Fail Secure, ET Control, B Lever, For 33-36" Width Door, Less Dogging, No Cylinder, Grade 1

The Sargent 12-8974-F-ETB-12V is a fire rated mortise exit device built for high-traffic commercial openings that require electrified access control. Designed for doors measuring 33 to 36 inches wide, this Grade 1 device pairs a mortise lock body with electrified ET trim operating on 12 volts in a fail secure configuration. The B lever design offers a clean, durable grip, while the fire rating makes it suitable for code-regulated openings where dogging is not permitted. No Cylinder: this configuration has no cylinder override and does not require an override cylinder.

Features

• Fire rated mortise exit device certified for use on labeled fire door assemblies.
• Electrified ETB trim operates on 12V DC for integration with access control systems.
• Fail secure function keeps the outside lever locked when power is removed.
• B lever design provides a comfortable, ADA-compliant operation.
• Sized for doors 33 to 36 inches in width.
• Less dogging, as required for fire rated applications.
• No Cylinder: this configuration has no cylinder override and does not require an override cylinder.
• Grade 1 construction for heavy-duty commercial durability.

Functional Details

This 12V DC electrified ET trim operates in fail secure mode. With power removed, the outside lever is locked. Applying power unlocks the outside lever. When unlocked, turning the outside lever retracts the mortise latch. Operating the inside push rail permits egress regardless of the electrical state of the trim. No Cylinder: this configuration has no cylinder override and does not require an override cylinder.

Trim and Lever Details

The ET trim has a B lever. Electrical power controls whether the outside lever is locked or unlocked; operating an unlocked lever retracts the latch. Select the LHR or RHR handing to suit the opening.

Included Components

The device ships with the mortise exit device chassis, electrified ETB trim with B lever, and mounting hardware. No Cylinder: this configuration has no cylinder override and does not require an override cylinder.