Apartment, Multifamily & Rental Property Access Control
Apartment building access control hardware: anti-clone readers with matched fob sets, QR visitor codes, 4G controllers for rentals and UHF tags for gates.
ValenID · valenid.com · sales@valenid.com
SK-150 IP67 Metal Mullion Access Control Keypad
IP67 all-metal mullion keypad, 160 × 50 mm, with 5,000 users, a lock relay and Wiegand output. Reads 125 kHz EM or 13.56 MHz MIFARE cards at 3–5 cm.
- 50 mm-wide IP67 all-metal housing for mullions and narrow frames
- 5,000 users with card, PIN or card + PIN access
- 3–5 cm read range: 125 kHz EM or 13.56 MHz MIFARE/NTAG UIDs
- Controller mode or Wiegand reader mode, both documented on the rear label
- Short-circuit-protected relay; door open time 0–99 s
- Frequency
- 125 kHz or 13.56 MHz (by variant)
- User capacity
- 5,000 users
- IP rating
- IP67
- Outputs
- Lock relay (NO/COM/NC) + Wiegand
- Power
- 12 V DC ±5%, ≤ 200 mA
- Dimensions
- 160 × 50 × 22.3 mm
Reply within 24 hours Tested before dispatch Worldwide shipping
IP67 Metal Mullion Access Control Keypad: overview
The SK-150 is a 50 mm-wide, all-metal standalone keypad for door mullions, aluminum frames and gate posts where a square keypad will not fit. It keeps the IP67 rating and metal keys of our SK-140 in a 160 × 50 mm format, stores 5,000 users and releases the lock from its own relay after a valid card, PIN or card plus PIN.
The SK-150-E reads 125 kHz EM4100, EM4102 and EM4200-compatible cards and fobs. The SK-150-M reads UIDs from 13.56 MHz MIFARE Classic, MIFARE Plus, MIFARE DESFire, MIFARE Ultralight and NTAG2xx credentials. Read distance is 3–5 cm, which is generous for a keypad this narrow.
Each user can hold an independent PIN, the keypad is illuminated for night use, and a security level setting is available. Door open time adjusts from 0 to 99 s, the relay output is short-circuit protected, and alarms cover door-sensor events and tampering. Users can be copied to another unit or managed from a PC.
Integration notes
The rear label documents two wiring schemes. In controller mode the SK-150 drives the lock relay (NO/COM/NC), monitors the door sensor and exit button, and offers AL and AUX+ linkage leads. In reader mode it sends Wiegand D0/D1 to a panel and takes LED and beeper control on the light blue and gray leads. DIP switches 5 and 6 move the data leads between Wiegand and TXD/RXD serial. Operating range is –10 to +50 °C. Enrollment steps are in our keypad programming guide.
More features
- Illuminated metal keys, independent PINs, user copy and PC management
SK-150 specifications
RF & credentials
| Frequency | 125 kHz (SK-150-E) or 13.56 MHz (SK-150-M) |
|---|---|
| 125 kHz credentials | EM4100, EM4102 and EM4200-compatible cards and key fobs (thick, thin and fob formats) |
| 13.56 MHz credentials | MIFARE Classic Mini/EV1, MIFARE Plus S/X, MIFARE DESFire EV1/EV2/EV3/Light, MIFARE Ultralight/Ultralight C/Ultralight EV1, NTAG2xx (UID read) |
| Read range | 3–5 cm (depends on credential and installation) |
Access control
| User capacity | 5,000 users |
|---|---|
| Access modes | Card, PIN, card + PIN |
| Operating modes | Standalone controller or Wiegand reader |
| Door open time | 0–99 s, adjustable |
| User management | Management cards (add / delete), independent PINs, user copy, PC user management |
| Alarms | Door sensor, tamper |
| Other functions | Security level setting, doorbell interface |
Interfaces & wiring
| Lock output | Relay, NO / COM / NC contacts |
|---|---|
| Data output | Wiegand D0/D1 or TXD/RXD serial, selected by DIP switches 5 and 6 |
| Inputs | Door sensor (SEN), exit button (BUT) |
| Other leads | Alarm linkage (AL), auxiliary (AUX+), doorbell (BELL+ / BELL–) |
| Harness | 13 color-coded leads |
Electrical
| Supply voltage | 12 V DC ±5% |
|---|---|
| Operating current | ≤ 200 mA |
| Standby current | ≤ 150 mA |
| Output short-circuit protection | < 100 µs response |
Mechanical & environment
| Housing | All-metal panel and metal keys, illuminated, mullion format |
|---|---|
| Protection | IP67 |
| Dimensions | 160 × 50 × 22.3 mm (±0.2 mm) |
| Operating temperature | –10 to +50 °C |
| Storage temperature | –20 to +60 °C |
| Humidity | 20–80% RH |
Variant matrix
| Variant | Frequency | Credentials | Read range |
|---|---|---|---|
| SK-150-E | 125 kHz | EM4100 / EM4102 / EM4200 cards and fobs | 3–5 cm |
| SK-150-M | 13.56 MHz | MIFARE Classic, Plus, DESFire, Ultralight, NTAG2xx (UID) | 3–5 cm |
Wiring (13 color-coded leads)
| Wire color | Label | Function |
|---|---|---|
| Red | +12 V | Power, 12 V DC |
| Black | GND | Ground |
| Yellow | NC | Relay, normally closed |
| Pink | COM | Relay common |
| Blue | NO | Relay, normally open |
| Light blue | SEN / LED | Door sensor input (controller mode) / LED control (reader mode) |
| Gray | BUT / BEEP | Exit button input (controller mode) / beeper control (reader mode) |
| Orange | AL | Alarm linkage |
| Light green | AUX+ | Auxiliary linkage |
| Purple | BELL+ | Doorbell |
| Brown | BELL– | Doorbell |
| Green | WD0 / RXD | Wiegand D0 or serial RXD (DIP 5, 6) |
| White | WD1 / TXD | Wiegand D1 or serial TXD (DIP 5, 6) |
Green and white leads carry Wiegand or serial data depending on DIP switches 5 and 6.
Specifications can change between production batches. Confirm the current revision with us before placing volume orders.
Ordering options
Quote the SKU that matches your frequency, interface and mounting. Not sure? Send us your controller model and we will pick the variant for you.
| SKU | Configuration | Actions |
|---|---|---|
| SK-150-E | 125 kHz EM4100/EM4200-compatible IP67 metal mullion keypad | |
| SK-150-M | 13.56 MHz MIFARE/NTAG UID IP67 metal mullion keypad |
Where the SK-150 is used
- Aluminum mullion of a glass entrance door at an apartment lobby
- Narrow gate post at a residential or school pedestrian gate
- Exterior door frame on a gym or clubhouse with members using fobs
- Reader-mode keypad on a mullion wired to an existing Wiegand panel
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SK-150 FAQ
Will the SK-150 fit on a standard door mullion?
The housing is 50 mm wide, 160 mm tall and 22.3 mm deep. Check that the mullion face is at least 50 mm wide before ordering.
Can it be used as a reader for an existing controller?
Yes. The rear label shows a reader-mode wiring scheme with Wiegand D0/D1 on the green and white leads and LED and beeper control on the light blue and gray leads.
How does it compare with the SK-140?
Electrically and functionally they are listed with the same data: IP67, 5,000 users, 3–5 cm read range. The SK-150 is the narrow 160 × 50 mm format; the SK-140 is 120 × 86 mm.
What is the operating temperature?
It is specified for –10 to +50 °C operation and –20 to +60 °C storage.
Before you buy
Related buyer guides
Wiegand vs OSDP vs RS485: Which Reader Interface Should You Specify?
Compare Wiegand, OSDP and RS485 reader interfaces: wiring, cable limits, AES-128 Secure Channel and steps for a compatible access-control migration.
Magnetic Lock Wiring Diagrams: Maglock, Exit Button, Power Supply and Reader
Maglock wiring with dry-relay COM/NC: keypad and reader diagrams, REX signals, approved egress release paths and manufacturer-specific suppression.
Fail-Safe vs Fail-Secure Locks: How to Choose for Each Door
A fail-safe lock releases when power is cut; a fail-secure lock stays locked. Learn which to use per door, how to wire NO/NC, and what egress codes expect.
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Get pricing for the SK-150
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