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Main Features
- Identification Method: Proximity
- Operating Range: 5"
- Application/Usage: Door
- Wiegand: Yes
- Input Voltage: 12 V DC
- Form Factor: Mullion Mount
- Height: 4.4"
- Width: 1.7"
- Depth: 0.7"
- Limited Warranty: Lifetime
Marketing Information
The Keyscan K-PROX3 is a robust and affordable reader with a sleek, modern finish. The K-PROX3 features stellar technology, multiple mounting options and anti-tamper capability for truly unrivalled per- formance and dependability.
K-PROX3 boasts dedicated features designed for exclusive use with Keyscan's Present3 and facility lockdown function. When enabled, the reader will indicate status with new auxiliary LED indicators. These features are enabled with firmware and a programming card (sold separately). However, it will function on all Keyscan systems with or without these features enabled.
The K-PROX3 is the ideal choice for Keyscan access control systems with 125 kHz proximity reader requirements.
- Provides an innovative 'heartbeat' technology. If this heartbeat is interrupted due to wiring fault, damage an alarm condition is triggered by the Keyscan control panel
- New dedicated LED indicators Keyscan Present3 and facility lock down features (firmware and programming card required)
- On board beeper to generate audible tones or sound a local "door-held-open" alert
- Versatile mounting options with 2-in-one, mullion or single gang, electrical box mounting applications
- Epoxy encased electronics and well-suited for both interior or exterior use
- Impressive read range
- Durable, weather-resistant construction for reliable operation and long usage even in harsh environments
- Limited lifetime warranty
Manufacturer Resources
Product Specs
- Product Group:
- Electronic Access Controls
- Product Subgroup:
- Readers, Keypads and Credentials
- Features:
- Compatible With Keyscan, Far pointe and Hid 125Khz, Keyscan 36 Bit Credentials; Durable Tamper-Resistant Epoxy Design With Weather-Resistant Construction
- Application:
- Simple 2 in 1 Unit Supports Mullion or Single Gang Installation Applications
- System Interfaces:
- Wiegand
- Read Range:
- Off Metal: up to 12.7 cm (5") On Metal: up to 10.2 cm (4")
- Cable Gauge:
- 22 AWG
- Product Type:
- Readers
- Department:
- Door Hardware
Dormakaba K-PROX3 – Frequently Asked Questions
1) Will the K-PROX3 reader work with my existing HID 125 kHz proximity cards?
Yes. The Keyscan K-PROX3 reads Keyscan, Farpointe and HID 125 kHz credentials, along with Keyscan 36-bit credentials. If your building is already carrying HID 125 kHz prox cards, you don't have to reissue badges to put this reader on a door.
2) Can the K-PROX3 reader mount on a narrow aluminum door mullion, or does it need a gang box?
Either one. The K-PROX3 is a 2-in-1 unit that supports mullion or single gang electrical box installation, so the same part covers a glass storefront mullion and a drywall opening with a single gang box behind it. The housing measures 4.4 inches high, 1.7 inches wide and 0.7 inches deep, so the 1.7 inch width is what has to land on your mullion face.
3) Can I mount the K-PROX3 directly on a metal door or frame, and how far will it read?
Yes, it is rated for metal mounting, but you lose a little range. Off metal the K-PROX3 reads up to 12.7 cm (5 inches); mounted on metal it reads up to 10.2 cm (4 inches). On a hollow metal frame or an aluminum mullion, plan around the 4 inch figure, which is still enough for a card presented to the face of the reader.
4) Will the K-PROX3 work on a non-Keyscan access control panel?
It outputs Wiegand, which is the standard reader-to-panel interface, so any panel with Wiegand reader inputs at 12 V DC can take it. Two things are Keyscan-specific though: the heartbeat supervision, which relies on a Keyscan control panel to raise the alarm when the reader run is cut or damaged, and the Present3 and facility lockdown LED indicators. On a third-party panel you get card reads and nothing else. If the system is Keyscan, you get the whole feature set.
5) I'm standardizing readers across a portfolio of buildings with mixed credential types. Is the K-PROX3 the right one?
Only if your credential base is 125 kHz. The K-PROX3 is a single-frequency 125 kHz proximity reader, and it covers Keyscan, Farpointe and HID cards at that frequency. If some of your sites are on 13.56 MHz smart credentials or you are planning a move to mobile, a multi-technology reader is the better standard: the Schlage Electronics MTKB15 is mobile-enabled multi-technology, and the MTK15-485 adds RS-485 capability alongside 125 kHz proximity. Standardizing on a 125 kHz-only reader locks the portfolio to the older credential.
6) What reader should I use instead of the Keyscan K-PROX3 if the opening needs a PIN as well as a card?
The K-PROX3 is a proximity-only reader - it reads 125 kHz credentials and reports over Wiegand, with no keypad on the faceplate. For an opening that needs a PIN, the Schlage Electronics MTK15 is a networked multi-technology reader with keypad, wall mount, that accepts PIN credentials alongside a 125 kHz proximity card, so a single device covers card-only, PIN-only, or card-plus-PIN entry depending on how the host is configured. The MTK15 is a keypad reader by function, where the K-PROX3 is a credential-read device only.
7) The K-PROX3 mounts on a narrow aluminum mullion - is there a mullion-width alternative with a keypad?
The K-PROX3 is the narrow-profile option: it is a 2-in-1 unit that supports either mullion or single-gang installation, so one part number covers both the stile of a glass front door and a standard box. The keypad readers in the comparable range are sized for wider real estate - the Schlage Electronics MTK15 is a wall mount reader with keypad and the MTKB15 is a single-gang mount, mobile-enabled, multi-technology reader with keypad in black. If the credential has to be read on the mullion itself, the K-PROX3 is the one that fits there; a keypad reader needs a single-gang or wall location beside the opening.
8) My access control panel uses RS-485 rather than Wiegand - can I use the K-PROX3?
The K-PROX3 interfaces over Wiegand, which is what Keyscan panels expect, and it is wired with 22 AWG cable. For a head end that wants RS-485 instead, the Schlage Electronics MTK15-485 is the same networked multi-technology reader with keypad, wall mount, PIN credentials and 125 kHz proximity card as the MTK15, specified as RS-485 capable. Confirm which protocol the panel terminal block is expecting before ordering, because a Wiegand reader and an RS-485 reader do not interchange on the same input.
9) Tenants want to use their phones instead of a prox card - does the K-PROX3 do that?
The K-PROX3 is built for 125 kHz proximity credentials, compatible with Keyscan, Farpointe and HID 125 kHz cards and Keyscan 36-bit credentials. For a site moving to phone credentials, the Schlage Electronics MTKB15 is a single-gang mount, mobile-enabled, multi-technology reader with keypad in black. A common approach in a multi-building portfolio is the K-PROX3 where existing 125 kHz cards stay in circulation and a mobile-enabled reader at the openings being converted.
10) Is the Securitron R100 a drop-in substitute for the K-PROX3?
No - they solve different wiring problems. The Securitron R100, in the RH100 series, is a surface mounted wireless card reader, so it is chosen where pulling reader cable back to a panel is impractical. The K-PROX3 is a hardwired reader: it runs 22 AWG cable to the panel over Wiegand, and that wire run is what carries its heartbeat signal, which triggers an alarm condition at the Keyscan control panel if the connection is cut or damaged. If the supervised-wiring behavior or the Wiegand panel input is part of the spec, the R100 does not replace it.
11) What gauge wire should I pull for a K-PROX3 reader?
22 AWG. That is the cable gauge specified for the K-PROX3, and it is what a typical multi-conductor shielded access control cable carries, so a standard composite access run from the panel to the door will serve it on 12 V DC.
12) Can the K-PROX3 reader be installed outdoors on an exterior entry?
Yes. The electronics are epoxy encased and the housing is weather-resistant, which is what makes it suitable for exterior as well as interior openings. The same epoxy potting is what gives it its tamper resistance, so an exterior-side reader isn't an easy target.
13) What tells me if someone cuts the wiring to a K-PROX3 reader?
The reader runs a continuous heartbeat back to the panel. If that heartbeat is interrupted by a wiring fault or physical damage, the Keyscan control panel triggers an alarm condition. For a security integrator that is the difference between a dead reader nobody notices until Monday and a supervised device that reports the moment the run is compromised.
14) What do I have to order separately to get the Present3 and lockdown LED features working on a K-PROX3?
Those two features need firmware plus a programming card, and the programming card is sold separately. Once enabled, the reader shows status on dedicated auxiliary LED indicators for Keyscan Present3 and facility lockdown. Skip them and the reader still works normally on any Keyscan system, so it is not a required add-on, just a decision to make at the time you order if lockdown signaling at the door is part of the scope.
15) Is there a wireless card reader option if I can't run cable to the door?
Not with the K-PROX3, which is a hardwired 12 V DC Wiegand reader on 22 AWG cable. For an opening where pulling wire isn't practical (a historic building, a remote gate house, a retrofit with no accessible path), look at the Securitron R100, a surface mounted wireless card reader. Different install model entirely, and it is what to specify when the cable run is the obstacle.
16) I need a card reader on an exterior door - does the K-PROX3 hold up outdoors, or should I pick something else?
The K-PROX3 is specified for both interior and exterior use: the electronics are epoxy encased in a tamper-resistant design with weather-resistant construction, and it holds a read range of up to 5 inches off metal and up to 4 inches on metal, so it still reads when it is fastened to an aluminum stile or hollow metal frame. Among the alternatives, the Securitron R100 is a surface mounted wireless card reader and the Schlage Electronics MTK15 is a wall mount reader with keypad. For a perimeter opening where the reader is exposed to weather and the host is a Keyscan system, the K-PROX3 is the one specified for it.
17) Can I standardize one reader across a facility that has both mullion-mounted glass front entries and single-gang interior doors?
Yes. The K-PROX3 is a 2-in-1 unit that supports mullion or single-gang electrical box installation, so a single part number and a single spare on the shelf cover both conditions, and it reads Keyscan, Farpointe and HID 125 kHz plus Keyscan 36-bit credentials so existing cards carry over. The keypad alternatives are each tied to one mounting condition - the MTK15 is wall mount and the MTKB15 is single-gang mount - which means a mixed-opening facility would carry two part numbers to cover the same ground.
18) Does the K-PROX3 have an audible tone for door-held-open?
There is an onboard beeper on the K-PROX3 that generates audible tones and can sound a local door-held-open alert. Useful on loading dock and stairwell doors where propping is the actual problem you are trying to solve, since the alert lands at the door rather than only at the head end.
How fast can I get the Dormakaba K-PROX3 delivered?
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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 K-PROX3 come with a warranty?
Absolutely. The Dormakaba K-PROX3 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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