Dorma C280 - Grade 2 Heavy-Dut...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$442.00
$253.41
Dormakaba Dorma C240 - Grade 2 Heavy-Duty Cylindrical Lock, Privacy, Bedroom or Bath Function DORM-C240

Dorma C280 - Grade 2 Heavy-Duty Cylindrical Lock, Storeroom Function, LR Lever, E Rose

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Model: C280 D LRE 626
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$442.00
$253.41
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DORMA C280 - Grade 2 Heavy-Duty Cylindrical Lock

Function: Storeroom (C280) | Design: LR Lever, E Rose

The DORMA C280 Grade 2 Cylindrical Lock delivers reliable security and long-lasting performance for commercial and institutional environments. Designed for standard to heavy-traffic applications, this lockset combines robust internal components with a clean, functional aesthetic.

Key Features

  • Storeroom Function (C280): Latch bolt operated by lever from either side unless outside lever is locked by key. Outside lever remains locked continuously. Inside lever is always free for immediate egress.

  • Grade 2 Certification: Tested to meet ANSI/BHMA A156.2 Series 4000 Grade 2 standards for commercial durability and safety.

  • LR Lever & E Rose Design: Features a straight lever design with returned ends for code compliance and an 'E' Rose trim for a crisp, low-profile presentation.

  • ADA Compliant: Ergonomic lever handle ensures accessible operation for all users.

  • Non-Handed: Reversible design fits both right-hand and left-hand doors for flexible installation.

Specifications

  • Door Thickness: Fits standard $1\text{--}3/8''$ to $1\text{--}3/4''$ ($35\text{ mm}$–$44\text{ mm}$) doors.

  • Backset: Standard $2\text{--}3/4''$ ($70\text{ mm}$) backset.

  • Latch Bolt: $1/2''$ throw latch bolt.

  • Applications: Ideal for storeroom doors, utility closets, mechanical rooms, and commercial office spaces requiring controlled access.

 

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:
F86
Product Subgroup:
Bored Locksets
Product Type:
Cylindrical Locks
Subcategory:
Cylindrical Locks
Commercial/Residential:
Commercial
Handle Type:
Lever
Lock Function:
Storeroom
Product Attribute:
Cylindrical Locks
Product Model:
C280
Product Function:
Storeroom
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 C280 D LRE 626 – Frequently Asked Questions

1) How does the storeroom function on the Dorma C280 actually work day to day?
The C280 keeps the outside lever locked at all times. A key retracts the latch from outside, and the latch is also operated by either lever unless the outside lever is locked. The inside lever is always free, so anyone inside can get out without a key. That is the standard setup for mechanical rooms, utility closets, and stock rooms where the door has to stay secure but never trap anyone.
2) Will the Dorma C280 fit a 1-3/8 inch door, or is it only for 1-3/4?
Both. The C280 cylindrical lockset covers a door thickness range of 1-3/8 inch to 1-3/4 inch, so it works on standard commercial 1-3/4 inch doors and on the thinner 1-3/8 inch interior doors common in older buildings, with no extra kit.
3) Do I need to order the Dorma C280 handed for a left-hand door?
No. The C280 is non-handed and reversible, so one lockset covers both left-hand and right-hand openings. The only handing consideration is the lever itself; the LR lever is a straight lever with returned ends and mounts either way. For a property manager buying a batch across mixed openings, that means a single part number covers the building.
4) What latch and strike come with the Dorma C280, and will it drop into an existing ANSI frame prep?
It ships with the 17130 latch, a 1 x 2-1/4 inch front with a 7/8 inch diameter case and square corners, and the 5001 ANSI strike with a cylindrical lock cutout. If your frame already has an ANSI strike prep and your door has a square-corner 1 x 2-1/4 inch latch face, the C280 goes back into the same prep. Radius-corner fronts or a T-strike frame will need a different latch front or a strike change.
5) Is the Dorma C280 storeroom lock ANSI Grade 1 or Grade 2, and what function code is it?
Grade 2, tested to ANSI/BHMA A156.2 Series 4000, with the storeroom function carrying ANSI function code F86. For a facilities spec that calls out F86 storeroom in Grade 2, the C280 matches on both counts. If the drawing calls for Grade 1, this is not the right lock.
6) What is the closest equivalent to the Dorma C280 storeroom lever from another manufacturer?
The Dorma C280 is a Grade 2 cylindrical lockset in storeroom function with a lever handle. The closest match by grade and function is the Marks USA 175RF, also a Grade 2 storeroom clutched lever lockset. The 175RF is built for a small format interchangeable core and ships less core, so it suits a facility already keyed to an SFIC system, while the C280 uses the C200 Series standard cylinder arrangement.
7) I need a Grade 1 lock instead of Grade 2 for a high-traffic storeroom door - what should I use?
The Dorma C280 is certified Grade 2. If the spec calls for Grade 1 on a keyed lever, the Marks USA 195RAB is a Grade 1 entrance clutched lever lockset in the Survivor Series, supplied less core. Note that it is entrance/office function rather than storeroom, so the outside lever can be left unlocked; if the outside lever must stay locked at all times, the C280 storeroom function is the one that does that.
8) Can I use a keypad lock instead of the Dorma C280 so I do not have to issue keys for the storeroom?
Yes, several cylindrical keypad locks cover the same bored prep. The Alarm Lock Trilogy T2 DL2700 is a Grade 1 standalone electronic cylindrical entrance lock with a digital keypad, 100 user codes and IC/SFIC compatibility, for doors 1-5/8 inch to 1-7/8 inch thick. The Schlage XE360M is a Grade 1 wireless tubular lock in classroom/storeroom function for 1-3/4 inch doors. Both need battery or power service; the mechanical C280 does not, and it accepts doors from 1-3/8 inch to 1-3/4 inch.
9) My storeroom door is 2 inches thick - will the Dorma C280 work?
The Dorma C280 covers doors from 1-3/8 inch to 1-3/4 inch. For a 2 inch door, the Cal-Royal CAL20 and CAL30 Calypso Series locksets are rated 1-3/8 inch to 2 inch, and the TownSteel XCE-2000 electronic cylindrical lockset covers 1-3/4 inch to 2 inch. Those alternates are privacy, passage and classroom functions respectively, so confirm the function matches the storeroom application before ordering.
10) I need the lock to release electrically for a card reader - can the Dorma C280 do that?
No. The Dorma C280 is a mechanical storeroom lockset with a key-controlled outside lever. For electrified release, the SDC Electra 7200 Series is a solenoid controlled cylindrical lock with dual voltage 12/24VDC for doors 1-3/4 inch to 2 inch, which can be tied to an access control system. The C280 fits doors 1-3/8 inch to 1-3/4 inch and requires no wiring or power supply.
11) Is a lever storeroom lock like the C280 ADA compliant for a public building?
The lever design on the C280 is ADA compliant, and the LR lever uses returned ends for code compliance, which is what keeps it from catching clothing on egress. That makes it usable on accessible routes where a knob lockset would not pass.
12) Can I get the same storeroom control on the C280 with a keypad instead of keys?
Not on the C280 itself, which is a mechanical keyed cylindrical lock. For keypad access on a storeroom or classroom opening, the Schlage XE360M is a Grade 1 wireless tubular lock with a classroom/storeroom function for 1-3/4 inch doors, and the Schlage NDEB ENGAGE is a Grade 1 wireless cylindrical lock offered in storeroom among its functions for 1-5/8 to 2 inch doors. Note the thickness ranges differ from the C280's 1-3/8 to 1-3/4, so a thin door may rule the electronics out.
13) The door does not need to be keyed - what is a simpler alternative to the Dorma C280?
The C280 is a keyed storeroom lock, meaning the outside lever stays locked and a key retracts it. For an opening that only needs latching with no locking, the Orca Hardware OCL210 is a Grade 2 passage cylindrical lockset, and the Cal-Royal CAL30 is a Grade 1 passage lockset in the Calypso Series that fits doors 1-3/8 inch to 2 inch thick. For a bath or office door needing a thumbturn instead, the Orca OCL240 is a Grade 2 privacy lockset.
14) Is the Stanley QCL150 entry lever a substitute for the Dorma C280?
They are not interchangeable by function. The Stanley QCL150 is a Grade 2 entrance lever with a Sierra bent lever, supplied less cylinder, with a 2-3/4 inch backset latch and a 4-7/8 inch by 1-1/4 inch ASA strike. Entrance function allows the outside lever to be unlocked and left free; the Dorma C280 is storeroom function, where the outside lever is locked at all times and a key is required each entry. Use the C280 where the door must never be left unsecured.
15) What do I order instead of the Dorma C280 for a classroom or lockdown-capable opening?
The C280 is a storeroom function lock without an intruder feature. For classroom openings the TownSteel FCE-4000 is a Grade 1 RFID electronic intruder classroom cylindrical lockset and the XCE-9000 is a Grade 1 electronic classroom intruder lockset with keypad for doors 1-3/4 inch to 2 inch. Both allow the door to be secured from inside the room, which a storeroom lock such as the C280 does not provide.
16) I want keyless mechanical entry on a storeroom without batteries - what replaces the Dorma C280?
The Lockey 1600 is a heavy duty mechanical keyless knob lock with an adjustable backset for doors 1-1/8 inch to 2 inch, and the Lockey 2830 is a mechanical pushbutton keyless knob lock with auto-locking passage function for the same door range. Both are pushbutton knobs rather than levers, so on an opening where an ADA lever is required the Dorma C280 with its LR lever remains the correct choice.
17) Which alternative to the Dorma C280 supports access control or audit trail on a storeroom door?
For a credentialed opening, the Schlage NDEB is a Grade 1 ENGAGE Series wireless cylindrical lock with Bluetooth Low Energy offering storeroom, office, privacy and apartment functions for doors 1-5/8 inch to 2 inch. The Alarm Lock T3 DL3075 is a Grade 1 electronic cylindrical lock with audit trail and keypad access. The Dorma C280 is a mechanical storeroom lock, so it records nothing and needs no power.
18) What finishes does the Dorma C280 come in?
Two: 613 oil rubbed bronze and 626 satin chrome, both with the LR lever and E rose. 626 is the usual match for commercial openings already running satin chrome or brushed stainless trim; 613 is the darker bronze look for hospitality and office fit-outs.
19) Is the Dorma C280 rated for commercial traffic or is it a residential-grade lock?
Commercial. The C280 is built for standard to heavy-traffic commercial and institutional openings, and it belongs to the Dorma C200 Series of heavy-duty cylindrical locksets. It is not a residential product line.
20) Will the Orca OCL250 entrance lockset match a Dorma C280 already installed on other doors?
It will match visually as a Grade 2 cylindrical lever lockset, and the Orca OCL250 is rated medium duty Grade 2 in entrance function. Functionally it differs from the C280, which is storeroom function with the outside lever locked continuously. If the goal is a consistent lever look across a building with mixed door functions, pairing the C280 on secured rooms with the OCL250 on office doors is a common approach.
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Does the Dormakaba C280 D LRE 626 come with a warranty?
Absolutely. The Dormakaba C280 D LRE 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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