The LF2000 Series is a complete line of Grade 1 Extra Heavy Duty Commercial leversets. Built with extra strong independent return springs in each lever, this lock has been tested to over 1 million cycles without sagging. The optional clutch feature protects against excessive torque. Heat-treated heavy gauge cold rolled steel spindles can withstand over 1000 inch-pounds of torque. The latchbolts meet Grade 1 impact tests and are U.L. Listed for 3-Hour fire doors.

Applications
Grade 1 leversets are typically used in schools, colleges, hospitals, public buildings and other environments where locks are subjected to heavy use and occasional abuse. Options LF2000 leversets are available in three finishes and seven functions. Keyed locks are  supplied with a six-pin SC4 cylinder which can be rekeyed or masterkeyed, or replaced with LSDA C500 cylinders in a variety keyways, or with most restricted and high-security cylinders. Some models may also be ordered prepared for small format interchangeable cores (SFIC) such as Best®, Falcon® and KSP®. Full size interchangeable core (FSIC) levers to accept Schlage® available by special order.

FEATURES
Heavy-duty return springs, cycle tested 1,000,000 times with no lever sag. Heat-treated heavy-gauge cold rolled steel spindles which withstand 1000 inch pounds of torque. Levers are designed to comply with barrier-free accessibility codes. Clutch versions of  keyed functions allow locked levers to rotate without retracting the latch to reduce strain on the lock mechanism.

KEYING Cylinder: Supplied standard with “SC4” 6 pin brass Compatible with LSDA C500 replacement cylinders and many other retrofit cylinders, including most high-security brands. SFIC: Some models are available prepared for use with “small format interchangeable cores” such as Best®, Falcon® and KSP®.
FINISHES:
US3 Polished Brass (BHMA 605)
US10B Oil-Rubbed Bronze (BHMA 613)
US26D Satin Chrome (BHMA 626)
LATCHES:
Backset: 2-3/4” U.L. Listed standard. (file #R14024)
2 3/8” Backset is available.
SPECIFICATIONS:
ANSI/BHMA: Complies with A156.2, Series 4000Grade 1
U.L. Listed for “A” Label (3 Hour) single swing doors (4’X8’)
Door thickness: 1-3/8” - 2” is standard. Thick door packages are available for 2 1/4".
Door preparation is ANSI 115.2 for thru-bolted installation.
2 1/4" X 1 1/8” latch face.
Handing: Non-Handed.
Strike: ANSI 4 7/8” X 1 1/4" full lip standard.
Levers are solid die-cast plated to match the finish
symbol.
Roses are extra-heavy duty wrought brass. Mechanism is constructed of cast and machined stainless steel hubs with heat-treated heavy gauge cold-rolled steel spindles.
FUNCTIONS:
LF2000 – Entrance/Office. Pushing and turning inside button locks outside lever requiring use of key until button is manually unlocked. Pushing inside button locks outside lever until unlocked with a key or inside lever is turned. Inside lever always retracts latch.
LFC2000 – Entrance/Office with Clutch. Same operation as LF2000.
LF2100 – Passage. Both levers always retract latch.
LF2200 – Privacy. Pushing inside button locks outside lever until inside lever is turned. Emergency tool can be used to unlock outside lever. Inside lever always retracts latch.
LF2400 – Storeroom. Outside lever never retracts latch. Entrance by key only. Inside lever always retracts latch.
LFC2400 – Storeroom with Clutch. Same operation as LF2400.
LF2500 – Classroom. Outside lever is locked and unlocked with a key in the outside cylinder. The inside lever always retracts the latch.
LFC2500 – Classroom with Clutch. Same operation as LF2500.
LF2800 – Classroom Intruder. Outside lever is locked and unlocked with a key in the outside or the inside cylinder. The inside lever always retracts the latch.
LFC2800 - Classroom Intruder with clutch. Same operation as LF2800.
LF2900 – Institutional. Neither lever retracts the latch. A key is required in both the inside and outside cylinder to retract the latch.
LFC2900 – Institutional with Clutch. Same operation as LF2900.

What is a “clutch”? A lever lock with a clutch does not stay rigid when it is locked. The lever moves, just like it does when unlocked. However, it does not retract the latch. This “free-wheeling” feature absorbs torque and can extend the life of a lever lock.