Dorma C240 - Grade 2 Heavy-Dut...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$311.00
$228.06
Dormakaba Dorma C240 - Grade 2 Heavy-Duty Cylindrical Lock, Privacy, Bedroom or Bath Function DORM-C240

Dorma C240 - Grade 2 Heavy-Duty Cylindrical Lock, Privacy, Bedroom or Bath Function

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Model: C240 LRE 626
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$311.00
$228.06
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DORMA CL700 / CK700 Series Locks

Grade 2 Cylindrical Lockset

The CL700 and CK700 Series grade 2 cylindrical locksets provide exceptional security, enhanced aesthetics, and rugged dependability. These key-in-lever locksets are built with a high performance cylindrical chassis for all applications where ANSI/BHMA A156.2 Series 4000 Grade 2 products are required. To meet the needs of your project, these versatile locks are available in a range of lever and knob trim designs.

Locks ANSI/BHMA Grade 2 certified.

  • With a high performance cylindrical chassis
  • Easy to install
  • Key-in-lever lock through-bolted
  • UL listed for UL 10C
  • Non-handed
  • Auxiliary deadlocking latch bolt

Product details

Different designs.
Choose between the LR, LC, and LG lever designs or the KR and KB knob designs.
Strength and resistance.
CL700 Series locks are through-bolted for additional strength and increased resistance to vibration.

 

Manufacturer Resources

Product Specs

Product Group:
Mechanical Locks
Series:
C200 Series
Grade:
Grade 2
Standard Latch:
17130 - 1" × 2-1/4" front, 7/8" diameter, square corner
Standard Strike:
5001 - ANSI Strike with Cylindrical Lock Cutout
ANSI/BHMA:
F76
Product Subgroup:
Bored Locksets
Product Type:
Cylindrical Locks
Subcategory:
Cylindrical Locks
Commercial/Residential:
Commercial
Handle Type:
Lever
Lock Function:
Passage/Hall/Closet
Product Attribute:
Cylindrical Locks
Product Model:
C240
Product Function:
Privacy/Bed/Bath
Door Hand Direction:
Dependent on lever selection
Door Thickness Range:
1-3/8" – 1-3/4"
Product Category:
Mechanical Locks
Backset (Distance):
2-3/8"
Department:
Door Hardware

Dormakaba C240 LRE 626 – Frequently Asked Questions

1) Will the Dorma C240 privacy lock fit a 1-3/8 inch door, or is it only for 1-3/4 inch commercial doors?
Both. The C240 covers a 1-3/8 inch through 1-3/4 inch door thickness range, so it handles older interior doors and standard 1-3/4 inch commercial leaves without a thickness kit. If you are working a 2 inch door, this is the wrong lock, look at the Cal-Royal CAL20 privacy lockset instead, which is listed for 1-3/8 inch to 2 inch.
2) What backset does the Dorma C240 come with, and will it drop into an existing 2-3/4 inch prep?
The C240 is a 2-3/8 inch backset lock. That is the shallower of the two standard cylindrical backsets, so it lands in the common residential and light-commercial bore. It will not reach the strike on a door already bored at 2-3/4 inches. For a 2-3/4 inch prep in a Grade 2 lever, the Marks USA 175RF storeroom lockset is listed at 2-3/4 inch backset.
3) Will the Dorma C240 work with the strike plate already in my frame?
The C240 ships with a 5001 ANSI strike cut for a cylindrical lock, paired with a 17130 latch, 1 inch by 2-1/4 inch front, 7/8 inch diameter bolt, square corner. If your frame already has an ANSI/ASA strike prep, the 5001 drops straight in. If the existing strike is a small round-corner residential plate, you are filling and re-prepping the jamb, or reusing the old strike and matching the square-corner face of the 17130 latch to it.
4) Is the Dorma C240 a privacy lock for a bathroom or bedroom door, and does it take a key?
It is a privacy function lock, the bed and bath type, carrying ANSI/BHMA function code F76. You push or turn the inside button to lock the door from within, and there is no keyed cylinder on it. If you need a key on the outside for an office or entry door, this is not the lock, the Orca OCL250 is the Grade 2 entrance version of the same style of cylindrical lockset.
5) What is a direct alternative to the Dorma C240 privacy lever for a bedroom or bath door?
The Orca Hardware OCL240 is a Grade 2 privacy cylindrical lockset, matching the C240 on both grade and privacy/bed/bath function. The Orca is described as medium duty. Both are cylindrical locksets that mount in a standard bored door prep, so the swap is like for like on the opening.
6) Is there a Grade 1 privacy lever for a bathroom door that sees heavier traffic than a Grade 2 lock is rated for?
The Cal-Royal CAL20 Calypso Series is a Grade 1 extra heavy duty privacy lock with a privacy/bed/bath function, and it fits doors 1-3/8 inch to 2 inch thick. That thickness range covers the same 1-3/8 inch to 1-3/4 inch doors the Dorma C240 fits, and extends to 2 inch. The C240 is Grade 2.
7) The door does not need to lock at all - what should I order instead of a privacy lever?
For a closet, hall, or corridor door that only needs a latch, a passage lockset is the right part. The Orca Hardware OCL210 is a Grade 2 medium duty passage cylindrical lockset, and the Cal-Royal CAL30 Calypso Series is a Grade 1 extra heavy duty passage lock fitting doors 1-3/8 inch to 2 inch. The Dorma C240 carries the privacy/bed/bath function, which adds the inside locking button and outside emergency release.
8) What do I use if the door needs to be keyed rather than a privacy function?
A privacy lock like the Dorma C240 has no cylinder and cannot be keyed. For a keyed opening, the Orca Hardware OCL250 is a Grade 2 entrance cylindrical lockset, the Marks USA 195RAB is a Grade 1 Survivor Series entry clutched lever supplied less core, and the Marks USA 175RF SFIC is a Grade 2 storeroom clutched lever with a small format interchangeable core, less core, on a 2-3/4 inch backset. The C240 uses a 2-3/8 inch backset.
9) Is there an electronic privacy lock instead of a mechanical push-button privacy lever?
Two electronic options carry the privacy/bed/bath function. The Alarm Lock Trilogy 4100 is a Grade 1 electronic cylindrical lock with privacy function and keypad, for doors 1-5/8 inch to 1-7/8 inch thick. The Schlage CO-100 is a Grade 1 heavy duty standalone electronic cylindrical lock, privacy function, keypad with cylinder options, for 1-3/4 inch doors. Both are narrower on door thickness than the Dorma C240, which covers 1-3/8 inch to 1-3/4 inch, so confirm the door before substituting.
10) Do I need to specify left hand or right hand when ordering a Dorma C240 lever lock?
Handing depends on which lever you pick, so nail down the lever design first. The C240 comes in three lever styles, LC, LG and LR, each in 613 oil rubbed bronze or 626 satin chrome, six combinations in all. Pick the lever and the finish, and confirm the hand for that lever against the swing of your door.
11) Is a Grade 2 cylindrical lock like the Dorma C240 enough for apartment bedroom and bathroom doors, or should I be buying Grade 1?
Grade 2 is the normal specification for privacy doors inside a unit, bedrooms, baths and similar low-abuse openings, and the C240 is rated Grade 2 for commercial use. Save Grade 1 for high-traffic or abuse-prone openings. If a job spec demands Grade 1 privacy, the Cal-Royal CAL20 is the Grade 1 extra heavy duty privacy lockset to quote instead.
12) I want the same lever look on the bedroom, bathroom and closet doors. Does the Dorma C240 have a matching passage lockset?
For the closet and hall doors you want a passage function, not privacy. The C240 handles the bedroom and bath side. To match the rest of the openings in a Grade 2 cylindrical set, the Orca OCL210 passage lockset and the Cal-Royal CAL30 passage lockset are both non-locking cylindrical levers of the same type. Keep the finish consistent across the fleet, the C240 side comes in 613 oil rubbed bronze and 626 satin chrome.
13) What is the difference between the Dorma C240 and an electronic privacy lock like the Schlage CO-100 or Alarm Lock 4100?
The C240 is a mechanical privacy lever, no batteries, no codes, no audit trail, and it fits doors from 1-3/8 to 1-3/4 inches. The electronic privacy options are heavier and thicker-door products, the Schlage CO-100 privacy lock is Grade 1 and listed for 1-3/4 inch doors only, and the Alarm Lock Trilogy 4100 privacy lock is Grade 1 for 1-5/8 to 1-7/8 inch. For a resident bathroom or bedroom door, the mechanical lock is what gets specified, the electronics exist for openings where you need code-based access control.
14) Is a half dummy lever the same thing as a privacy lever?
No. The Orca Hardware OCL2170 is a Grade 2 half dummy lever - a dummy function has no latch and no locking, it is a pull mounted to the face of the door, typically for the inactive leaf of a pair. The Dorma C240 is a privacy/bed/bath cylindrical lock with a working latch, supplied with the 17130 latch and 5001 ANSI strike.
15) I need a lever on a thinner door than most commercial locks accept - what fits?
The Dorma C240 starts at 1-3/8 inch. If the door is thinner than that, the Lockey 1600 heavy duty mechanical keyless knob lock and the Lockey 2830 mechanical pushbutton keyless knob lock both fit doors 1-1/8 inch to 2 inch. Both are knob trim rather than lever, and the 2830 is a passage function with auto-locking, so they change the operation as well as the fit.
16) Can I put a classroom function lock on a bathroom door instead of a privacy lever?
Classroom function locks are a different opening entirely. The TownSteel XCE-2000 and XCE-9000 are Grade 1 heavy duty electronic classroom cylindrical locksets with keypads for doors 1-3/4 inch to 2 inch, and the Schlage XE360M is a Grade 1 wireless tubular lock with a classroom/storeroom function for 1-3/4 inch doors. Those control access with credentials from outside; the Dorma C240 privacy/bed/bath function locks from the inside only, which is what a bedroom or bath opening calls for.
17) Is a Grade 2 knob lockset an equivalent swap for a Grade 2 lever lockset?
They match on grade but not on trim or function. The Marks USA 110AB is a Grade 2 round knob entry lockset on a 2-3/8 inch backset in satin stainless steel - the same 2-3/8 inch backset the Dorma C240 uses, but knob trim and an entrance/office function. The C240 is a lever, which is what an ADA-governed opening needs; the Marks USA 195N passage lever is called out as ADA compliant among the lever options.
18) Can I use the Dorma C240 privacy lock on a hollow metal door in a commercial building?
Yes, it is specified as a commercial lockset and the 1-3/8 to 1-3/4 inch range covers a standard 1-3/4 inch hollow metal leaf. Two things to verify on the frame side, the door needs a standard cylindrical bore at a 2-3/8 inch backset, and the jamb needs the ANSI strike prep that the supplied 5001 strike is cut for.
How fast can I get the Dormakaba C240 LRE 626 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Dormakaba C240 LRE 626 come with a warranty?
Absolutely. The Dormakaba C240 LRE 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Dormakaba C240 LRE 626?
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