LOB 5500MK Adel electronic escutcheon (EZ55MK-18)

The LOB 5500MK electronic escutcheon allows the user to control door access using a PIN code or a proximity card. The escutcheon is suitable for installation on doors. It can be also mounted on existing doors. 
LOB 5500MK is ideal for passages with medium or high traffic intensity, where access control of entering persons is required. Those passages may include doors to a corridor, office, pavilion, room or a rented apartment. The escutcheon is easy to install and robust.

Main features and characteristics:

  • Opened with a PIN code or proximity card
  • Unrestricted access (conference mode)
  • Robust and long-lasting structure
  • Easy installation
  • Battery powered (4 LR6 "AA" batteries)
  • Emergency power - contacts to an external 9V battery
  • Emergency opening - mechanical key

Available finish

silver satin

PIN code memory capacity


RFID card memory capacity


Dimensions excl. handle

55.5 x 300 x 33 mm (W x H x D), 

Door thickness

35 – 75 mm; (standard version: 40-45 mm)


7.5 mm

Working temperature

-15 – +50 °C

Relative humidity

45% – 85%

Power source

6 V (4 LR6 "AA" batteries)

Low battery voltage indication

< 4.5 V, special sound signal

Power consumption in standby mode

< 100 µA

Battery life

appr. 10 000 openings

Type of proximity card

factory DES coded


Ordering indexes:


LOB 5500MK electronic escutcheon, silver satin


Proximity card for LOB 5500MK escutcheon, white


Proximity keyring for LOB 5500MK escutcheon, blue



  • External escutcheon
  • Internal escutcheon
  • 40 mm half cylinder insert with two keys
  • Set of mounting bolts
  • Spindle
  • Mounting template