SDC 15 Series Value 5/8" Latch...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$106.00
$82.23
SDC SDC 15 Series - Value 5/8” Latchbolt Electric Strikes SDC-15

SDC 15 Series Value 5/8" Latchbolt Electric Strike with 12/24 VDC Operation

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Model: 15-4F-24U
$106.00
$82.23

In Stock (leaves warehouse same day if ordered before 3pm ET)

$106.00
$82.23
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SDC 15 Series Value 5/8"; Latchbolt Electric Strike with 12/24 VDC Operation

Professional Centerline Latch Entry Strike for Commercial Applications

The SDC 15 Series electric strike delivers reliable access control for cylindrical locksets in metal frame applications. This centerline latch entry strike accepts 5/8"; throw latchbolts or up to 3/4"; throw latchbolts with 1/8"; door gap, featuring an all stainless steel deadlocking mechanism with internally mounted solenoid. The compact low profile design with 4-7/8"; faceplate enables quick installation where jamb space is limited, operating on 12/24 VDC power systems.

Professional Features & Benefits

  • Latchbolt Compatibility: Accepts 5/8"; throw latchbolts or up to 3/4"; throw latchbolts with 1/8"; door gap for versatile lockset integration.
  • Compact Profile Design: Low profile construction with 4-7/8"; faceplate enables installation in limited jamb space applications.
  • Flexible Power Options: 12/24 VDC operation provides compatibility with various access control systems and power supplies.
  • Stainless Steel Construction: All stainless steel deadlocking mechanism and radius corner faceplate provide exceptional durability and corrosion resistance.
  • Simplified Installation: Fewer moving parts, non-handed design, and included mounting tabs reduce installation complexity and time.
  • Electrical Protection: Built-in voltage and current spike protection with screw terminals ensures reliable operation and easy wiring connections.
  • Centerline Entry Design: Latch enters at strike centerline located exactly between top and bottom of faceplate for precise alignment with cylindrical locksets.
  • Commercial-Grade Durability: Durable die cast housing body engineered for demanding commercial access control applications.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Door Type: Hollow Metal, Aluminum
  • Electronic: Yes
  • Face Plate: 4-7/8";
  • Latch Throw: 3/4";
  • Product Category: Electronic Access Controls
  • Product Group: Electronic Access Controls
  • Product Model: 15
  • Product Subgroup: Electric Strikes
  • Product Type: Electric Strikes
  • Product Voltage: 12/24 VDC
  • Series: 15 Series
  • Subcategory: Electric Strikes

Professional Applications

  • Commercial Building Security Systems
  • Retail Loss Prevention
  • Healthcare Facility Access Control
  • Educational Institution Safety Systems
  • Industrial Facility Monitoring
  • Emergency Exit Compliance
  • Government and Municipal Buildings

Why Choose SDC Quality?

SDC electric strike products deliver professional-grade reliability with all stainless steel deadlocking mechanisms and corrosion-resistant construction engineered for demanding commercial applications. The internally mounted solenoid design with voltage and current spike protection ensures dependable performance where reliable access control is essential.

Manufacturer Resources

SDC Full Catalog

Product Specs

Series:
15 Series
Product Group:
Electronic Access Controls
Product Subgroup:
Electric Strikes
Product Type:
Electric Strikes
Subcategory:
Electric Strikes
Latch Throw:
3/4"
Commercial/Residential:
Commercial
Electronic:
Yes
Door Type:
Hollow Metal, Aluminum
Product Model:
15
Product Voltage:
12/24VDC
Face Plate:
4-7/8"
Product Category:
Electronic Access Controls
Department:
Door Hardware

SDC 15-4F-24U – Frequently Asked Questions

1) Will the SDC 15 Series electric strike work with my cylindrical lockset's 5/8 inch latchbolt?
The SDC 15 Series is built around a 5/8 inch throw latchbolt and it accepts up to a 3/4 inch throw where you have a 1/8 inch door gap. It is a centerline latch entry strike, meaning the latch enters exactly midway between the top and bottom of the faceplate, so it aligns with a standard cylindrical lockset rather than an offset entry. If the lock on your door is a mortise lock or an exit device rim latch, this is the wrong strike.
2) Should I order the 15-4F failsafe or the 15-4S failsecure electric strike?
Failsafe (15-4F) releases the latch when power drops, so the door can be pushed open in a power outage. That is what you use on an egress-side opening or where a fire alarm needs to unlock the door. Failsecure (15-4S) stays locked with no power and only releases when energized, which is what most exterior and after-hours entry doors want, because a power loss cannot leave the building open. The 15 Series is ordered as one or the other, not switched in the field, so decide before you order. If you want to be able to flip it on site, the Hager 2925 is a 5/8 inch latch strike with field reversible fail safe/fail secure operation.
3) Does the SDC 15 Series strike run on 12 or 24 volts, and do I have to pick one?
Yes, you pick. The 15 Series is ordered as either 12 VDC or 24 VDC, and both are offered on the failsafe and failsecure models alike. It is DC only, so an AC transformer will not drive it. Match the voltage to whatever your access control power supply already puts out. Voltage and current spike protection is built in, and wiring lands on screw terminals rather than flying leads.
4) Do I need to specify handing on the SDC 15 electric strike?
No. The 15 Series is non-handed, so the same unit works on a left or right hand door and you do not need to know the swing before ordering. Mounting tabs are included. That non-handed design is one less thing to get wrong when you are stocking a few spares for a building with mixed openings.
5) My existing strike cutout is 4-7/8 inches. Will the SDC 15 drop into that prep?
The 15 Series faceplate is 4-7/8 inches, which is the common ANSI strike prep in hollow metal and aluminum jambs, so it lines up with an existing 4-7/8 inch cutout. The faceplate has radius corners, so a square-cornered prep will show a small gap at the corners unless the frame was prepped radius. The other thing to check before you cut anything is entry style: the 15 is centerline latch entry. An RCI 15BS, for instance, is built for special offset latch entry, so the two are not interchangeable in the same prep even though both are economy strikes.
6) What is a fire rated alternative to the SDC 15 electric strike for a cylindrical lockset on a rated opening?
The SDC 15 Series is a value 5/8 inch latchbolt strike for cylindrical locksets in hollow metal and aluminum frames, and it is not carried with a fire rating. For a rated opening with a cylindrical lock, the Adams Rite 7240 is a fire-rated electric strike built for cylindrical locksets with 5/8 inch latchbolt projection, and the Von Duprin 4211 is a fire-rated Grade 1 cylindrical lock strike with 12/24 VDC field-selectable operation, the same dual voltage the SDC 15 runs. The Hager 2930 is another fire-rated Grade 1 option that takes both cylindrical and mortise locks at 12/24 VDC.
7) What is a heavy duty upgrade from the SDC 15 electric strike for a high traffic door?
The SDC 15 Series is a value 5/8 inch latchbolt strike with an all stainless steel deadlocking mechanism and die cast housing built for commercial use. On an opening cycling hard all day, the heavy duty peers are the Alarm Controls AES-100, a Grade 1 heavy duty strike, the Locknetics MDS100 US32D and MS100 US32D heavy duty strikes, and the Von Duprin 4211, 6210 and 6400, all Grade 1 heavy duty. The Von Duprin 4211 stays on cylindrical locks with 12/24 VDC field-selectable operation, so it is the closest heavy duty counterpart to what the SDC 15 does.
8) I need a Grade 1 electric strike instead of the SDC 15 - what are the options?
The SDC 15 Series is a value line strike with a stainless steel deadlocking mechanism, sold for commercial hollow metal and aluminum frames. Where a specification calls out ANSI Grade 1, the Alarm Controls AES-100 is a Grade 1 heavy duty strike, the Von Duprin 4211 is Grade 1 and fire rated with 12/24 VDC field-selectable operation, and the Von Duprin 6400 is a Grade 1 modular strike for mortise or cylindrical locks with a 3-hour UL 10C rating in fail-secure. The HES Folger Adam 310-1(X) strike body is Grade 1 and accepts 1/2 inch, 5/8 inch or 3/4 inch throw latchbolts, covering the same latch range the SDC 15 does.
9) Can I use the SDC 15 electric strike with a mortise lock or an exit device?
The SDC 15 Series is built for cylindrical locksets, accepting 5/8 inch throw latchbolts or up to 3/4 inch throw with a 1/8 inch door gap. It is not the part for a mortise lock or an exit device. For mortise locks, the Von Duprin 6210 is a fire rated Grade 1 strike at 24 VDC fail-secure, the Securitron MUNL mortise unlatch strike is Grade 1 and fire rated, and the Von Duprin 6400 handles mortise or cylindrical. For a rim exit device, the Hager 2945 is a fire rated rim exit strike with field selectable fail safe or fail secure and a latchbolt monitor. For surface vertical rods, the HES Folger Adam 310-4-2 is a complete strike pac.
10) The SDC 15 runs on 12/24 VDC - what strike works if my power supply is AC?
The SDC 15 Series operates on 12/24 VDC with built-in voltage and current spike protection and screw terminals. If the existing power supply on the opening puts out AC, the Trine 001 series at 8-16VAC is a fail secure strike with a 6-1/4 in x 1-3/8 in faceplate and up to 5/8 inch throw, and the Trine 4300CC at 16-24VAC/DC is fail secure with a 5-7/8 in x 1-1/4 in faceplate and up to 5/8 inch throw. Both take the same 5/8 inch latch the SDC 15 is built around, but their faceplates differ from the 4-7/8 inch SDC prep, so the frame cutout needs checking.
11) What is the RMB buzzer option on the SDC 15 strike and when would I want it?
RMB adds a buzzer to the strike so the door annunciates while it is energized and unlocked. It is the audible cue a receptionist or tenant listens for to know the door has released and can be pulled. It is a build option, not an add-on part, so you choose buzzer or no buzzer when you order, and it is available on both the 15-4F failsafe and 15-4S failsecure at either voltage. Apartment intercom entries and reception-controlled doors are where it earns its place; on a card reader door with a visible LED it usually is not needed.
12) I need the door position or latch status reported back to my access control panel. Will the SDC 15 do that?
The 15 Series is a release-only strike. It takes a signal and unlocks; it does not send anything back. For monitoring you want a strike with a sensing switch built in: the Dortronics 3300 Series has a latch bolt sensing switch at 12/24 VDC with a strike plate for ANSI prep at 4-7/8 by 1-1/4 inches, the Hager 2945 is a fire rated rim exit strike with a latchbolt monitor, and the Camden CX-ED1799L-8 is a Grade 1 dual monitor fire rated strike shipped with eight faceplates.
13) I'm standardizing electric strikes across a building with mixed door prep. Is one 15 Series part number enough?
Partly. The 15 Series is non-handed, so handing will not fragment your order, and one faceplate size covers the hollow metal and aluminum openings. What does split the order is function and voltage, since failsafe (15-4F) and failsecure (15-4S) and 12 versus 24 VDC are each fixed at time of order. Any fire rated opening in the building has to come off the list entirely and get a listed strike. If you would rather carry a single stock unit that covers a range of preps, the Camden CX-ED1689L-4 ships with four faceplates and the CX-ED1799L-8 with eight.
14) Can the SDC 15 Series be used on a pair of doors with no mullion?
No. The 15 Series is a jamb-mounted strike for a cylindrical lockset latching into a frame, so it needs a strike jamb or a mullion to mount into. For a pair with no center mullion, look at a double door strike such as the Rockwood double door electric strike with a 3/4 keeper, or the HES Folger Adam 310-4-2 pac, which is built for surface vertical rod devices.
15) Does the SDC 15 electric strike report whether the latch is secured, and what do I use if I need monitoring?
The SDC 15 Series is offered with a remote monitored buzzer option (RMB) on either the 15-4F or 15-4S at 12 or 24 VDC, alongside the plain non-buzzer build. Where an access control head end needs a latch position contact instead, the Dortronics 3300 Series carries a latch bolt sensing switch and runs the same 12/24VDC on a 4-7/8in x 1-1/4in ANSI prep, the Hager 2945 includes a latchbolt monitor, and the Camden CX-ED1799L-8 is a Grade 1 dual monitor strike supplied with 8 faceplates.
16) I do not know the frame prep yet - is there a strike that covers more openings than the SDC 15?
The SDC 15 Series is a fixed 4-7/8 inch faceplate strike for cylindrical locksets in hollow metal and aluminum frames, which is the right choice when the prep is known. When one part has to cover a mix of unknown preps, the Camden CX-ED1689L-4 is a fire rated universal low profile strike supplied with 4 faceplates and the CX-ED1799L-8 ships with 8 faceplates. The Camden CX-ED1410 and CX-ED1420 are universal Grade 1 ANSI fire-rated strikes, and the Locknetics NC450 is a no cut strike for openings where cutting the frame is not an option.
17) Is a double door application a place to use the SDC 15 electric strike?
The SDC 15 Series is a single non-handed strike for cylindrical locksets in hollow metal and aluminum frames with a 4-7/8 inch faceplate. For a pair of doors, the Rockwood double door electric strike is a Grade 1 fire rated unit with a 3/4 keeper in the 310-1 series, which pairs with the HES Folger Adam 310-1(X) strike body that accepts 1/2 inch, 5/8 inch or 3/4 inch throw latchbolts. That is the family to look at when the active leaf latches into an inactive leaf rather than a frame.
18) I am standardizing electric strikes across a portfolio - how does the SDC 15 fit alongside HES and Locknetics?
The SDC 15 Series covers cylindrical locksets with 5/8 inch throw latchbolts, or up to 3/4 inch throw with a 1/8 inch door gap, in hollow metal and aluminum frames at 12/24 VDC on a 4-7/8 inch faceplate, in failsafe 15-4F and failsecure 15-4S. A portfolio usually needs more than one body: the HES 1500 and 1600 series are Grade 1 fire rated families with their own accessory parts, the HES Folger Adam 310-1(X) spans 1/2, 5/8 and 3/4 inch throws in one Grade 1 fire rated body, and the Locknetics CS450-32D and NC450 no cut cover retrofit openings. Deciding the latch throw and frame type per door group first is what keeps the standard list short.
19) Will the SDC 15 strike hold the door secure, or does the latch just rest in it?
It deadlocks. The 15 Series uses an all stainless steel deadlocking mechanism, so the keeper holds the latchbolt positively rather than letting it sit loose in the pocket, and the solenoid is mounted internally where it is not exposed at the frame face. Stainless also means the working parts resist corrosion over time in the jamb.
How fast can I get the SDC 15-4F-24U delivered?
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Can I return it if it doesn’t work for me?
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Does the SDC 15-4F-24U come with a warranty?
Absolutely. The SDC 15-4F-24U 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 SDC 15-4F-24U?
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