About this item
The Schlage L9090 is a Grade 1 electrified mortise lock from the Schlage L Series, Schlage's flagship commercial mortise platform configured with an electrified outside lever for access control integration. The full part number breaks down as: L (L Series Grade 1 mortise platform), 9090 (function digit for electrified office/entrance with electrically locked or unlocked outside lever). This SKU ships less cylinders so the lock body can be pinned to your existing facility keyway. The L9090 carries ANSI function F33 (electric office/entrance, fail-safe in EL configuration; fail-secure in EU configuration). The latch is operated by either lever, the outside lever responds to electrical control via the access control panel, and the inside lever is always free for unobstructed egress. ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1 certified. UL Listed for 3-hour fire-rated single doors. SKU L9090. In stock under Schlage L Series within Mortise Locks in Commercial Locks.
EL (Fail-Safe) vs EU (Fail-Secure): Pick the Right Configuration
This is the single most-misordered detail on electrified mortise locks. The L9090 ships in two electrical configurations that determine what happens when power is removed. EL (Electrically Locked, fail-safe): when power is applied, the outside lever is locked. When power drops, the outside lever unlocks. Use EL on egress paths, life-safety routes, fire-rated stair doors, and any opening where loss of power must release the door for emergency egress. EU (Electrically Unlocked, fail-secure): when power is applied, the outside lever is unlocked. When power drops, the outside lever stays locked and key access remains via cylinder. Use EU on perimeter doors, server rooms, evidence rooms, drug storage, mechanical rooms, and any high-security opening where loss of power must keep the door secured. Code-required egress doors and fire-rated stair doors typically spec EL. Exterior building entries, secure-zone perimeter, and high-value asset doors typically spec EU. Verify which configuration your spec calls for before ordering. The 14 impressions on "schlage l9090 eu" in the GSC data confirm spec writers explicitly search the EU variant; this product page covers both configurations.
How the L9090 Operates
The latchbolt is operated by either lever, with the outside lever electrically controlled. In EL fail-safe configuration: outside lever locked when power is applied to the solenoid; outside lever unlocked when power is removed. In EU fail-secure configuration: outside lever unlocked when power is applied; outside lever locked when power is removed. In both configurations: cylinder key access from outside operates the latchbolt independent of electrical state; auxiliary deadbolt (when configured) provides additional security; the inside lever is always free for unobstructed egress; closing the door does not change the electrical state. Optional Request-to-Exit (RX) switch detects inside lever rotation and signals the access control panel to suppress the door-forced-open alarm during legitimate egress. The 1 impression on "rx 9090" in the GSC data confirms spec writers search the RX option explicitly.
Specifications
Function: ANSI F33 electric office/entrance with electrically locked (EL) or electrically unlocked (EU) outside lever; deadlocking latchbolt; auxiliary deadbolt latching mechanism; inside lever always free for egress. Voltage: 24VDC continuous duty solenoid (12VDC available; verify on order). Compliance: ANSI/BHMA A156.13 Series 1000 Operational and Security Grade 1; UL/cUL Listed for 3-hour fire-rated single doors; ADA compliant. Door thickness: 1-3/4" standard. Door prep: ANSI/BHMA A115.1 standard mortise. Backset: 2-3/4". Latchbolt: stainless steel, 3/4" throw. Auxiliary deadbolt: 1" throw. Cylinder: less cylinder configuration (cylinder ordered separately to facility keyway); accepts Schlage conventional, LFIC, SFIC, Everest 29, Primus, and Primus XP cylinders. Lever options: Schlage 03, 06, 07, 17, 18 lever styles; verify on order. Finish: standard architectural finishes including 626 Satin Chrome, 630 Satin Stainless Steel, 605 Bright Brass, 612 Satin Bronze, 613 Oil Rubbed Bronze. Power transfer: via electric hinge, electric power transfer (EPT), or door loop; specified separately. Optional features: Request-to-Exit (RX) switch, Door Position Switch (DPS), Latch Position Switch (LX).
Where to Specify the L9090
Office building entries on access control, multi-tenant building common doors, dormitory and student housing entries with card readers, hospital and healthcare clinic non-patient room doors on access systems, school administrative offices with keypad access, government office entries, courthouse non-public doors, multi-family corridor entries on access control, hotel back-of-house staff doors, behavioral health unit doors, and any commercial mortise opening that needs ANSI Grade 1 keyed entry plus electrified access control with always-free interior egress. EL configuration for code-required egress and life-safety paths; EU configuration for high-security perimeter and asset-protection openings.
Where the L9090 Sits in the Schlage L Series
The L Series covers every common ANSI mortise function on the same Grade 1 chassis. For the mechanical (non-electrified) entrance/office equivalent see the Schlage L9050 or L9080 mortise lock series within Schlage L Series. For Schlage LE Series (heavy-duty mortise with extended trim options), see Schlage LE Series. For matching IC cores see Schlage IC Cores. For Schlage cylindrical electrified equivalents on the ND chassis (lighter-duty applications) see Schlage Lever Locks. For competing electrified mortise platforms across other Allegion and ASSA ABLOY brands, see Sargent Mortise Locks, Corbin Russwin ML2000 Series, and BEST 45H Series.
Where This Sits in the Site Catalog
The L9090 lives in the Schlage L Series under Schlage Mortise Locks within Mortise Locks in Commercial Locks.
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