BEST 9KW Series Electrically L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,482.00
$894.50
BEST BEST 9KW Series Electrically Locked Function (Fail-Secure) Grade 1 Electromechanical Cylindrical Lever Locks BES-9KW-DEU

BEST 9KW Series Electrically Locked Fail-Secure Grade 1 Electromechanical Cylindrical Lever Lock

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Model: 9KW37DEU14CSTK626
$1,482.00
$894.50
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,482.00
$894.50
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BEST 9KW Series Electrically Locked Fail-Secure Grade 1 Electromechanical Cylindrical Lever Lock

Professional Remote Access Control Solution

The BEST 9KW Series electromechanical cylindrical lever lock provides fail-secure (electrically unlocked) operation for remote door control applications. This Grade 1 heavy-duty lock operates on 12V AC/DC (0.50 amps) or 24V AC/DC (0.18 amps) when used with the supplied Temperature Control Module (TCM). Designed for doors 1-3/4" to 2-1/4" thick, this UL listed lock meets ANSI/BHMA A156.2 Series 4000 Grade 1 standards and is approved for 3-hour fire-rated applications.

Professional Features & Benefits

  • Door Thickness Compatibility: Standard configuration for doors 1-3/4" to 2-1/4" thick accommodates most commercial door applications.
  • Dual Voltage Operation: 12V AC/DC at 0.50 amps or 24V AC/DC at 0.18 amps with supplied TCM for flexible power system integration.
  • Fail-Secure Operation: Electrically unlocked function provides secure locking when power is lost, ideal for high-security applications.
  • Grade 1 Heavy-Duty Construction: Lock chassis meets ANSI/BHMA A156.2 Series 4000 Grade 1 standards for demanding commercial use.
  • Non-Handed Installation: Non-handed levers allow for ease of installation and field configuration flexibility.
  • Integrated Smart Features: Request-to-exit sensor positioned inside lock trim with Intelligent System Controller (ISC) embedded behind escutcheon.
  • Fire Rating Compliance: UL listed for 3-hour fire-rated single doors up to 4' x 10' for life safety applications.
  • Temperature Control Module: All W-series locks include TCM and TCM connector standard with every order for reliable operation.
  • Manufacturer Warranty: 10 Year Limited warranty for added confidence and protection.

Technical Specifications

Types

  • 12 volts AC/DC when used with supplied TCM — 0.50 amps
  • 24 volts AC/DC when used with supplied TCM — 0.18 amps
  • All EU functions: Electrically Unlocked (Fail Secure)
  • All EL functions: Electrically Locked (Fail Safe)

Approval Listings

  • UL listed for GYQS Electrically- controlled singlepoint locks or latches.
  • This product has been approved by the California State Fire Marshal (CSFM) pursuant to section 13144.1 of the California Health and Safety Code.
  • Approved by the city of New York Board of Standards and Appeals under calendar number 730-89-SA. See CSFM listing No. 4136-1175:103. It is subject to re-examination, revision and possible cancellation

Door thickness

  • Standard lock configuration designed for doors 1 3/4" – 2 1/4" thick. NOTE: All W-series locks require the use of a (TCM) Temperature Control Module. A TCM and TCM connector are supplied standard with every order.

Installation & Operation

  1. Verify electrical requirements match available power supply. Confirm voltage (12V AC/DC or 24V AC/DC) and current capacity before proceeding.
  2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
  3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
  4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
  5. Configure operational settings including fail-secure operation per application requirements.
  6. Restore power and test all functions including normal operation, request-to-exit sensor, and integration with connected access control systems.
  7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

  • Commercial Building Security Systems
  • Healthcare Facility Access Control
  • Educational Institution Safety Systems
  • Government and Municipal Buildings
  • Industrial Facility Monitoring
  • Emergency Exit Compliance
  • Multi-Tenant Residential Properties

Why Choose BEST Quality?

BEST 9KW Series electromechanical locks deliver professional-grade reliability with corrosion-treated steel construction and Grade 1 heavy-duty performance standards. UL listed for fire-rated applications and backed by a 10 Year Limited warranty, these locks provide the dependable access control performance essential for demanding commercial security applications.

Product Specs

Series:
9KW Series
Subcategory:
Bored Locksets
Grade:
Grade 1
Duty Level:
Heavy Duty
Handle Type:
Lever
Keyed Function:
Single Cylinder
Warranty:
10 Year Limited
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Electromechanical Leversets
Keyed:
Yes
Electronic:
Yes
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Product Attribute:
Cylindrical Locks
Product Function:
Fail-Secure
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Product Substrate:
Corrosion-Treated Steel
Department:
Door Hardware

BEST 9KW37DEU14CSTK626 – Frequently Asked Questions

1) Will the BEST 9KW electrified lever lock work on a 2-inch thick door?
Yes. The 9KW Series cylindrical lever lock is built for doors 1-3/4 to 2-1/4 inches thick in its standard configuration, so a 2 inch door is inside the range with no special order. That range covers most commercial openings, including thicker rated leaves. Every W-series lock ships with a Temperature Control Module (TCM) and TCM connector, so nothing extra is needed on the power side of the door prep.
2) Does a fail-secure BEST 9KW lock stay locked or unlock when the power goes out?
It stays locked. The 9KW electrically unlocked (EU) function is fail-secure: power energizes the lock to release the outside lever, so when power drops the outside lever locks and the opening stays secure. The inside lever always retracts the latch for free egress. If you need the opposite behavior, where loss of power leaves the door unlocked for egress hardware or a fire alarm interface, you want an EL (electrically locked, fail-safe) function instead of this EU version.
3) Can I use the BEST 9KW lock on a fire-rated door?
Yes. The 9KW is UL listed and approved for 3-hour fire-rated single doors up to 4 feet by 10 feet. It is also listed by the California State Fire Marshal under section 13144.1 of the California Health and Safety Code, CSFM listing No. 4136-1175:103, and approved by the New York City Board of Standards and Appeals under calendar number 730-89-SA. The UL listing category is GYQS, electrically-controlled singlepoint locks or latches. For a facility submittal, those are the three listings the AHJ will want to see.
4) What backset options does the BEST 9KW cylindrical lock come in, and which one do I need?
Three backsets: 2-3/4 inch, 3-3/4 inch, and 5 inch. Measure from the door edge to the center of the existing bore. 2-3/4 inch is the standard commercial cylindrical backset and is what most hollow metal and wood commercial doors are prepped for; the 3-3/4 and 5 inch options exist for wide-stile or unusual preps where the lever needs to sit further off the edge. Getting this wrong means the chassis will not line up with the cross-bore, so confirm the existing prep before ordering.
5) Which strike ships with the BEST 9KW lock, and will it fit my existing frame prep?
Two strike choices: the S3 4-7/8 inch ANSI strike and the STK 2-3/4 inch ANSI strike. The 4-7/8 inch is the standard commercial ANSI frame prep found on most hollow metal frames, so pick S3 if you are dropping into an existing ANSI-prepped opening. The 2-3/4 inch STK is the shorter T-strike style for frames cut for that smaller prep. Check the length of the cutout in the frame, not the lock, since that is what decides which one goes in without patching.
6) Do I need a separate request-to-exit device with a BEST 9KW lock?
Not necessarily. The 9KW can be ordered with an integrated request-to-exit sensor built into the lock trim, which signals the access control panel when the inside lever is turned. That removes the need for a separate REX motion sensor or a REX switch in the frame on many openings. RQE is a required choice at order time, yes or no, so decide up front whether your panel needs the signal. The Intelligent System Controller sits behind the escutcheon on the lock itself, keeping the electronics at the door rather than in a remote enclosure.
7) Do I have to specify handing when I order a BEST 9KW electrified lever?
No handing to specify. The 9KW uses non-handed levers, so the same lock goes on a left-hand or right-hand opening and can be configured in the field. That matters when you are stocking spares for a building: one lock covers every swing, instead of holding both hands on the shelf.
8) Is the BEST 9KW rated heavy enough for a school or hospital corridor door?
Yes. The 9KW chassis meets ANSI/BHMA A156.2 Series 4000 Grade 1, the heavy-duty commercial rating, and the lock is built with corrosion-treated steel. Grade 1 is the top of the three bored-lock grades and is what most institutional specs call for on high-traffic corridor and classroom openings. It is a commercial-duty lock, not a residential one.
9) Can I match the BEST 9KW electrified lever to the mechanical levers already on my other doors?
In most cases yes. The 9KW comes in three lever styles (contour with angle return, curved with return, and curved without return) and four rose styles: the C rose at 3 inch convex, the D rose at 3-1/2 inch convex, and the K and L roses which are the same 3 inch and 3-1/2 inch convex shapes without the ring. Eight finishes are offered: 605 bright brass, 606 satin brass, 611 bright bronze, 613 satin bronze oil-rubbed, 619 satin nickel, 625 bright chrome, 626 satin chrome, and 690 statuary dark bronze. Between the lever, rose and finish choices you can usually make an electrified opening read the same as the mechanical ones down the hall.
10) Is the BEST 9KW keyed, and can it go on my existing key system?
Yes, it is a keyed lock with a single cylinder, so it takes a key on the outside and the inside lever is always free. Because it is a BEST cylindrical lock, the cylinder side is where you match your existing keying, which is the usual reason a facility already on a BEST system specifies these rather than another brand for an electrified opening. Key credentials still work when power is out, which pairs with the fail-secure function: no power, no card read, but a mechanical key still gets you in.
11) Should I use an electrified cylindrical lever lock or an electric strike for card access on a commercial door?
The choice comes down to the frame. An electrified cylindrical lever like the 9KW puts the control in the door: the chassis, the Intelligent System Controller, and the request-to-exit sensor all live in the lock, so the frame needs no cutting and the wire runs through a door loop or transfer hinge. An electric strike puts the control in the frame instead and needs the jamb cut and prepped, which is a bigger job on an existing hollow metal frame but leaves the existing lockset alone. For a retrofit where the door is already bored for a cylindrical lock and the frame is finished, the lock-side approach is normally the less destructive of the two.
12) What is the Temperature Control Module on the BEST W series and do I have to buy it separately?
No separate purchase. Every W-series lock, the 9KW included, requires a Temperature Control Module, and a TCM plus TCM connector are supplied standard with every order. The published current draw figures, 0.50 amps at 12V and 0.18 amps at 24V, are the values with the TCM in circuit, so size your power supply off those numbers rather than the raw solenoid draw.
How fast can I get the BEST 9KW37DEU14CSTK626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
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 BEST 9KW37DEU14CSTK626 come with a warranty?
Absolutely. The BEST 9KW37DEU14CSTK626 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 BEST 9KW37DEU14CSTK626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the BEST 9KW37DEU14CSTK626 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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