Sargent 12-8974-G-ETB-12V Fire Rated Mortise Exit Device, Electrified Trim 12V Fail Secure, ET Control, B Lever, For 43-48" Width Door, Less Dogging, No Cylinder, Grade 1

The Sargent 12-8974-G-ETB-12V is a Grade 1 fire rated mortise exit device built for high-traffic commercial openings on doors measuring 43 to 48 inches wide. It features 12-volt electrified trim with a fail secure function, meaning the outside lever stays locked until power is applied, allowing controlled access while maintaining security during a power loss. Paired with the ETB escutcheon trim and B lever design, this device delivers reliable egress and a clean, durable appearance. No Cylinder: this configuration has no cylinder override and does not require an override cylinder.

Features

• Grade 1 rated mortise exit device engineered for demanding commercial and institutional use.
• Fire rated construction suitable for labeled fire door assemblies.
• 12-volt electrified trim with fail secure operation for access control integration.
• ETB escutcheon trim with B lever for ergonomic, ADA-compatible operation.
• Sized for doors 43 to 48 inches in width.
• Supplied less dogging, as required for fire rated applications.
• No Cylinder: this configuration has no cylinder override and does not require an override cylinder.

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 includes the 8900 series mortise exit chassis, ETB electrified escutcheon trim with B lever, and mounting hardware. No Cylinder: this configuration has no cylinder override and does not require an override cylinder.