User Manual

Published by
Siemens Switzerland Ltd 2018
Building Technologies Division
International Headquarters
Theilerstrasse a
 Zug
Switzerland
Tel. +    
© Siemens Switzerland Ltd, 
Subject to changes and errors. The information given
in this document only contains general descriptions
and/or performance features which may not always
specifically reflect those described, or which may
undergo modification in the course of further devel-
opment of the products. The requested performance
features are binding only when they are expressly
agreed upon in the concluded contract.
AR20M-MF card reader AR50M-MF card reader
with keypad
Protocol OSDP / Wiegand OSDP / Wiegand
Interface to controller RS485 / Wiegand RS485 / Wiegand
Operating voltage 8.5 – 30.0 VDC 8.5 – 30.0 VDC
Power consumption DC 12 V 50 mA Peak 150 mA
DC 24 V 35 mA Peak 100 mA
DC 12 V 50 mA Peak 150 mA
DC 24 V 30 mA Peak 100 mA
Tamper protection Yes Yes
Card technology MIFARE MIFARE
Card compatibility MIFARE Classic
MIFARE Plus (UID only)
MIFARE DESfire EV1, EV2
MIFARE Classic
MIFARE Plus (UID only)
MIFARE DESfire EV1, EV2
Indicators 3 x LED (red/yellow/green)
1 x Buzzer
Multicolour light frame
3 x LED (red/yellow/green)
1 x Buzzer
Multicolour light frame
Keypad No Yes
Display No No
IK class 08 08
Housing Zinc casted metal bezel with polycarbonate plastic front
Colour Black, matt chrome Black, matt chrome
Dimensions (W x H x D) 48 x 129 x 22 48 x 129 x 24
Approvals CE according to R&TTE and EMC Directives, RED
Temperature –40°C to +70°C
IP class IP65
Programming the reader is easily achieved using our special purpose CT kit.
With this kit you can choose colours and assign them different functions.
Setting encryption keys is also done through this kit. It creates configuration
cards which can be used to update the readers.
MIFARE, MIFARE DESFire are registered trademarks of NXP B.V. and are used
under license.
Product/technical specification
Type Part no Description Weight*
AR20M-MF S5450 4 - F111-A100 MIFARE mullion card reader 280 g
AR50M-MF S54504-F112-A100 MIFARE mullion card reader
with keypad
300 g
3CT-KIT S54504-S101-A100 3CT configuration card
creation kit
315 g
*Total weight of the product inclusive of the weight of its accessories and packaging.
Ordering information