Sargent 8278 Keypad Entry Lock...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,338.23
$1,537.43
Sargent Sargent KP-8200 Series - (8278) Keypad Entry Lock No Deadbolt with Cylinder Override Standalone Mortise Keypad Lockset SGT-8278

Sargent 8278 Keypad Entry Lock with Cylinder Override ANSI Grade 1 Mortise Lockset

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Model: KP8278-LNB-26D
$2,338.23
$1,537.43
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,338.23
$1,537.43
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Sargent KP-8200 Series Keypad Entry Lock with Cylinder Override ANSI Grade 1 Mortise Lockset

Professional Standalone Keypad Access Control Solution

The Sargent KP-8200 Series keypad entry lock combines heavy-duty ANSI/BHMA Grade 1 mortise lock construction with advanced microprocessor-based access control technology. This battery-powered, motor-driven lockset features non-volatile memory for reliable code storage and provides cylinder override capability for seamless integration into master keyed systems. Designed for commercial applications requiring standalone authorized entry capabilities with professional-grade durability and performance.

Professional Features & Benefits

  • ANSI/BHMA Grade 1 Construction: Heavy-duty mortise lock mechanism certified to A156.13 standards for demanding commercial applications and long-term reliability.
  • Extended Battery Life: Typical 40,000 operations per set of batteries ensures minimal maintenance requirements and consistent performance.
  • Non-Volatile Memory: Microprocessor-based controller retains programming and user codes even during power loss for uninterrupted security.
  • Cylinder Override Integration: Compatible with new or existing master keyed systems for flexible access management and emergency override capabilities.
  • UV-Stable Keypad Construction: Textured material keypad resists ultraviolet degradation for long-lasting outdoor and high-light applications.
  • Visual Operation Indicators: LED indicators provide clear status feedback with green for unlocked, yellow for programming mode, and combination signals for deadbolt status.
  • At-Door Programming: All functions and user codes programmed directly at the keypad according to specific opening requirements without external tools.
  • Manufacturer Warranty: 2 Year Limited warranty for added confidence and protection.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Verify electrical requirements and confirm battery compartment accessibility for future maintenance. Ensure door preparation meets mortise lock specifications.
  2. Disconnect any existing power sources and follow all applicable electrical codes and safety procedures during installation.
  3. Mount the mortise lock body in the prepared door pocket ensuring proper alignment and secure attachment per manufacturer specifications.
  4. Route keypad wiring through door and connect to lock mechanism according to manufacturer wiring diagrams using appropriate connections.
  5. Configure operational settings including user codes, timing parameters, and cylinder override functions per application requirements.
  6. Install batteries and test all functions including normal keypad operation, cylinder override, LED indicators, and deadbolt operation.
  7. Complete final inspection and document programming settings. Refer to manufacturer documentation for complete installation details, programming instructions, and troubleshooting procedures.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent KP-8200 Series keypad locks deliver professional-grade reliability with ANSI/BHMA Grade 1 certified mortise lock construction rated for heavy-duty commercial applications. The microprocessor-based controller with non-volatile memory and typical 40,000 operations per battery set ensures dependable long-term performance. Engineered for demanding commercial applications where reliable access control and master key integration are essential.

Product Specs

Series:
KP-8200 Series
Grade:
Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Subcategory:
Bored Locksets
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Mortise
Lock Function:
Entrance
Product Type:
Mortise Locks
Product Attribute:
Electronic Locks
Electronic:
Yes
Product Function:
Entrance/Office
Door Hand Direction:
Non-Handed
Product Category:
Electronic Locks
Department:
Door Hardware

Sargent KP8278-LNB-26D – Frequently Asked Questions

1) Will the Sargent KP-8278 keypad lock work with our existing master key system?
Yes. The 8278 is a keyed mortise lockset with cylinder override, so it drops into a new or existing master keyed system and the mechanical key still opens the door if a code is forgotten or the batteries die. Order the cylinder to match your system: standard cylinder, or 60 (Sargent Large Format Interchangeable, FSIC) or 70 (Sargent Small Format Interchangeable, SFIC) supplied less core so your locksmith can pin and load your own cores. Keying choices are keyed different, keyed alike, or to a specific key code; if you pick a less-core option, keying is set by the core you install.
2) Is the Sargent 8278 keypad lock handed, or do I have to specify left or right hand?
Non-handed. The 8278 mortise lockset is listed as non-handed, so one part number covers left and right hand openings and you don't have to specify a hand on the order. What you do specify is finish, lever design (A, B, E, F, J, L, P or W), rose (L or LN), cylinder type and keying.
3) Does the Sargent 8278 keypad lock need to be wired to power or a control panel?
No wiring, no panel, no software. The 8278 is a standalone battery powered lock, and all functions and user codes are programmed right at the keypad. A typical set of batteries gives about 40,000 operations, and codes sit in non-volatile memory so nothing is lost when the batteries go flat. If you need the lock tied into a networked or wired system instead, the Alarm Lock DL1300NW Trilogy Networx is a wireless networked mortise lock, and the BEST 45HW is a wired electromechanical mortise lock running 12V or 24V.
4) What lock function is the Sargent 8278, and is there a deadbolt in it?
Entrance/office function with no deadbolt. The latch is retracted by a valid keypad code, by the cylinder override key, or from the inside lever for free egress. If you need a deadbolt in the same keypad family, look at the deadbolt-equipped models in the KP-8200 line rather than the 8278. For classroom function in an electronic mortise lock, the Alarm Lock DL3500CR and the TownSteel FME-2000 are Grade 1 classroom options.
5) Is the Sargent 8278 keypad lock heavy duty enough for a high traffic commercial entrance?
It's built on Sargent's mortise lock body and certified to ANSI/BHMA A156.13 Grade 1, the top grade for mortise locks and what a spec on a commercial or institutional opening normally calls for. It's rated commercial, not residential. Grade 1 mortise puts it in the same class as the Cal-Royal NM8050 entrance/office mortise lockset and the Corbin Russwin ML2003, both Grade 1, if you need mechanical rather than keypad on other openings in the same building.
6) Can I put a keypad lock on a door that's already prepped for a mortise lock?
That's exactly what the 8278 is for. It's a mortise lockset, so it goes into a mortise pocket in the door edge rather than the two round bores a cylindrical lock needs. Sargent publishes a 7800/8200 Series mortise lock installation template covering sectional rose and escutcheon trims, so your installer can check the existing pocket, cross-bore and trim holes against the prep before the door goes out of service. A door currently carrying a cylindrical or bored lock is not a straight swap without new mortise prep.
7) What is the closest Grade 1 mortise keypad lock to the Sargent 8278 with key override?
The BEST 45HZ EZ Series electronic keypad mortise lock offers keypad entry with a key override function, the same standalone pattern as the Sargent 8278, which is a Grade 1 mortise lock with cylinder override in the Entrance/Office function. The Dormakaba E-Plex E5086 is another Grade 1 electronic pushbutton mortise lock, and it adds card credential reading alongside the pushbutton entry in a back-to-back configuration. The Accentra NTM623-NR nexTouch Generation 3 mortise lock covers the same no-deadbolt-with-cylinder-override arrangement using a capacitive touchscreen keypad rather than mechanical pushbuttons.
8) Which keypad mortise lock should I use for a classroom opening instead of an Entrance/Office lock?
The Sargent 8278 is built in the Entrance/Office function, so for a classroom opening the Alarm Lock DL3500CR Trilogy is a Grade 1 electronic mortise lock in the Classroom function with 300 user codes and a 1-5/8 inch to 1-7/8 inch door thickness range. The Alarm Lock DL2700CR Trilogy T2 is also Grade 1 Classroom function over the same 1-5/8 inch to 1-7/8 inch thickness range and adds a weatherproof design for exterior classroom and portable-building doors. On the credential side, the TownSteel FME-2000 Series is a Grade 1 heavy duty Classroom mortise lockset with RFID technology for 1-3/4 inch doors.
9) What is a mechanical equivalent to the Sargent 8278 for openings that will not carry batteries?
The Sargent 8278 is a battery-powered keypad lock in the Entrance/Office function, and the Cal-Royal NM8050 is a heavy duty Grade 1 Entrance/Office mortise lockset with an auxiliary deadlatch for 1-3/4 inch doors, running on a key and lever only. The Accentra 8805FL is a Grade 1 mortise lock in the Storeroom function with an Arcadia lever, which keeps the outside lever locked at all times rather than allowing an unlocked office mode. The Cal-Royal NM8080 is a Grade 1 Storeroom mortise lockset for 1-3/4 inch doors offered with an interchangeable core option, which lines up with the FSIC and SFIC cylinder choices the 8278 is ordered with.
10) I need the keypad lock tied into an access control system, not standalone. What replaces the Sargent 8278?
The Sargent 8278 programs all functions and user codes at the keypad itself, so credentials live in the lock. For a networked opening, the Alarm Lock DL1300NW Trilogy Networx is a wireless electronic mortise lock with a keypad built for Adams Rite deadlatches, and the Schlage Electronics LEMD-GRW is a Grade 1 ENGAGE Series wireless mortise lock with a 125kHz proximity reader and mobile-enabled deadbolt with LED on Greenwich trim, right hand, with a 3 hour fire rating. For a hardwired tie-in, the BEST 45HW Series is a heavy duty wired electromechanical mortise lock running on 12V or 24V, and the Schlage L9092EU with 03A trim is a heavy duty electric lock/unlock outside lever mortise lock, keyed outside, with request to exit and 12/24VDC operation for 1-3/4 inch doors.
11) Does the Sargent 8278 give me a deadbolt, and what do I order if I need one?
The 8278 is the keypad entry configuration with no deadbolt and cylinder override. Where the opening needs a throw bolt, the Alarm Lock DL4500 Series is a Grade 1 electronic mortise deadbolt with 2,000 user codes and a privacy keypad over a 1-5/8 inch to 1-7/8 inch door thickness range. The Cal-Royal NM8440 is a Grade 1 Privacy/Bed/Bath mortise lockset with a deadbolt for 1-3/4 inch doors on a mechanical keyed platform, and the Kaba Ilco 185 Series mortise lock is a deadbolt function with no handing.
12) What do I have to choose when ordering a Sargent KP-8200 keypad mortise lock?
Four things beyond the model. Cylinder: standard, 60 for Sargent large format interchangeable core less core, or 70 for small format interchangeable core less core. Keying: keyed different, keyed alike, a specific key code you supply, or none if you chose a less-core option and are supplying your own cores. Lever: A, B, E, F, J, L, P or W. Rose: L or LN. Finish comes from fourteen options including 26D satin chrome, 10B oil rubbed bronze, 15 satin nickel, and black or white suede powder coat.
13) Can I get a Sargent keypad lock to match the oil rubbed bronze hardware already on our building?
Yes. The KP-8200 keypad mortise lock comes in fourteen finishes, including three oil rubbed and dark bronze variants (10B dark oxidized satin bronze oil rubbed, 10BE, and 10BL clear coated), plus 10 satin bronze, 09 bright bronze and 20D dark statuary bronze. Brass runs 03 bright and 04 satin; nickel 14 bright and 15 satin; chrome 26 bright and 26D satin. There are also BSP black and WSP white suede powder coats if the door hardware is painted rather than plated.
14) How many user codes and how much battery maintenance does a standalone keypad lock like the Sargent 8278 need?
Battery changes are the whole maintenance routine on the 8278: about 40,000 operations from a set, with codes held in non-volatile memory so a dead battery never wipes the programming. LED feedback tells the user and the technician what is happening, green for unlocked and yellow for programming mode. Programming is done at the keypad and Sargent publishes KP8200 programming instructions covering the code entry sequences. If you need documented user capacity in the hundreds or thousands, the Alarm Lock DL3500CR carries 300 user codes and the DL4500 deadbolt carries 2,000.
15) What's the difference between a keypad mortise lock and an RFID or credential reader lock?
A keypad lock like the Sargent 8278 authorizes on a code the user types, so there are no credentials to issue, lose or replace, and everything is programmed at the door. A credential lock reads a card or phone instead, which is what you want when you need to revoke one person's access without re-coding the door for everyone. Credential options include the TownSteel FME-2000 Grade 1 mortise lockset with RFID, the Dormakaba Saffire LX-I-M002 with RFID and Bluetooth mobile access, and the Schlage Electronics LEMD-GRW ENGAGE wireless mortise lock with a 125kHz proximity reader. The Dormakaba E-Plex E5086 combines pushbutton and card in one mortise lock.
16) Which electronic mortise locks look like substitutes for the Sargent 8278 but will not carry a Grade 1 spec?
The 8278 is certified to ANSI/BHMA Grade 1 for the mortise mechanism. Two electronic mortise locks that read as near neighbours sit elsewhere: the Dormakaba LX-I-M002 Saffire is an electronic RFID mortise lockset with BLE mobile access carrying a BHMA Grade 2 rating, and the Schlage Electronics LEBMB-ADD mobile-enabled mortise lock with push button and LED is Grade 2, covering privacy, office and apartment functions on 1-3/4 inch doors with a 3 hour fire rating. The Codelocks CL2255 electronic tubular mortise latch is a medium duty unit in brushed steel, a lighter build than the heavy duty commercial mortise body the 8278 uses.
17) Is there a keyless pushbutton mortise lock that does not need batteries changed like the Sargent 8278?
The 8278 runs roughly 40,000 operations per set of batteries and stores codes in non-volatile memory. The Dormakaba PowerPlex P2066 Series mortise lock is a self-powered alternative in the PowerPlex 2000 family, and the Dormakaba E-Plex 2066 Series is an electronic pushbutton keyless mortise lock built for wide stile doors, which is the configuration to check when the opening is an aluminum storefront rather than a hollow metal or wood door.
18) Can I standardize a building on the Sargent 8278 lever trim for the non-keyed doors too?
The 8278 is a keyed electronic lock with cylinder override, so passage and privacy doors need a different body. The Falcon MA101 is a Grade 1 heavy duty mortise passage lock with field reversible operation and a fire rating, the Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock for 1-3/4 inch doors, and the Hager 3810S is a 3800 Series Grade 1 passage mortise lock with rose and a 2-3/4 inch backset over a 1-3/4 inch to 2-1/2 inch door thickness range. For privacy doors, the Hager 3840S is a 3800 Series Grade 1 privacy mortise lock with a 2-3/4 inch backset for 1-3/4 inch to 2 inch doors.
19) Is a Sargent 8278 the right pick for an ornamental iron or glass door opening?
The 8278 is a Grade 1 mortise lock body sized for commercial hollow metal and wood door preparation. For narrow ornamental iron doors, the Marks USA 21AC is an entrance double cylinder Unilock ornamental iron mortise lock with a round knob for 1 inch doors, and the Marks USA 22AC is an entrance double cylinder ornamental iron mortise lock with a round knob, also for 1 inch doors. For a glass door, the Kaba Ilco BR Series is a glass door bottom rail lock, a different mounting arrangement entirely from a door-pocket mortise body.
20) What is the difference between the Sargent 8278 and a mortise lock body sold without trim?
The 8278 ships as a complete keypad lockset ordered with a lever and rose selection, including A, B, E, F, J, L, P and W levers on L or LN roses. A body-only item such as the BEST 45H Series is a heavy duty mortise lock body in the Public Entrance function with field reversible operation, and the Baldwin 6310 is an entry/storeroom knob by knob mortise lock body on a 2-1/2 inch backset for doors 1-3/8 inch and over, with the 6301 covering entrance/apartment function for doors 1-3/4 inch and over. Those are chassis and trim decisions taken separately rather than a single assembled keypad unit.
21) Which mortise lock replaces a Sargent 8278 on a behavioral health or hospital opening?
The 8278 uses lever trim, which is not suitable where anti-ligature hardware is required. The TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset in Passage function for 1-3/4 inch doors, and the MRX-A-01 is the same passage function in satin stainless steel with ligature resistant arch trim. For a push/pull opening, the Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset in satin stainless steel, ligature resistant and ADA compliant.
22) I need a privacy-function standalone keypad lock, not entrance. What is the alternative to the Sargent 8278?
The 8278 is an Entrance/Office keypad lock. The Schlage CO-100 standalone electronic mortise lock with keypad reader is a Grade 1 heavy duty unit in the Privacy/Bed/Bath function for 1-3/4 inch doors, which is the arrangement for restrooms and single-occupancy rooms where the inside occupant controls the lock rather than a code holder at the corridor side.
23) Will a keypad mortise lock hold up outside on an exterior door?
The keypad on the KP-8200 uses a textured, UV-stable material that resists sunlight degradation, so it suits exterior and bright-light openings. For a lock specifically described as weatherproof, the Alarm Lock DL2700CR Trilogy T2 is built for weather exposure in a classroom function mortise lock. Either way, the 8278 body is a Grade 1 commercial mortise lock, not a residential unit.
24) How does the Sargent 8278 differ from an electrified mortise lock retrofit kit for an existing lock?
The 8278 is a complete battery-powered lockset with the credential reader integrated into the trim. The Command Access ML190 Series is a motorized mortise lock with field selectable EL and EU operation running on 24VDC in a heavy-duty Storeroom function, which needs a power supply run to the opening and a controller upstream. Where the Sargent unit is programmed at the door, the motorized body takes its lock and unlock commands from the access system.
25) Which mechanical classroom mortise lock matches a Sargent 8278 for finish and lever standardization across a building?
The 8278 is offered in finishes including 26D satin chromium plated over nickel, 10B dark oxidized satin bronze oil rubbed, and 630-family satin nickel, across eight lever styles. The Corbin Russwin ML2003 is a Grade 1 mortise classroom lockset in the ML2000 Series for 1-3/4 inch doors, and the Cal-Royal NM8070 is a heavy duty Grade 1 classroom mortise lockset with an auxiliary deadlatch, also for 1-3/4 inch doors, both mechanical bodies that sit alongside a keypad opening on the same corridor.
26) Are the Emtek mortise entrance locksets an alternative to the Sargent 8278?
They are not a functional substitute. The Emtek 3102 Memphis, 3104 Hamilton, 3106 Manhattan and 3019 Brisbane are all mortise entrance locksets in the Dummy function, meaning the trim is fixed and there is no latch or locking mechanism behind it. The Sargent 8278 is a keyed Grade 1 mortise lock with a working keypad and cylinder override. A dummy set is for the inactive leaf of a pair; the Schlage L0170 half dummy trim is the same idea on a Grade 1 non-keyed mortise lever for 1-3/4 inch doors.
27) What mortise office lock covers the same Entrance/Office use as a Sargent 8278 without a keypad or a cylinder?
The Hager 3850E is a 3800 Series Grade 1 office mortise lock with lever and escutcheon, non-keyed, on a 2-3/4 inch backset for doors 1-3/4 inch to 2-1/2 inch thick. It gives the office latch behavior without the cylinder override and code management the Sargent 8278 carries, so an opening secured only by a code or a key is not covered by it. The Hager 3810E is the passage version of the same 3800 Series body with escutcheon and the same backset and thickness range.
28) Does a Sargent 8278 need handing specified the way some mortise locks do?
The Sargent 8278 is non-handed. Some peers are ordered handed or field reversible instead: the Schlage LEMD-GRW ENGAGE Series wireless mortise lock is a right hand unit, the Baldwin 6310190RRLS is a right hand reverse lever by lever entry/storeroom mortise lock on a 2-1/2 inch backset for doors 1-3/8 inch and over, and the BEST 45H Series mortise lock body is field reversible. On a fleet order that mixes swings, that difference decides whether one part number covers every door.
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Does the Sargent KP8278-LNB-26D come with a warranty?
Absolutely. The Sargent KP8278-LNB-26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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