
2 Technical data
VR20M-MF VR50M-MF
Protocol OSDP or Wiegand OSDP or Wiegand
Interface to controller RS485 or Wiegand RS485 or Wiegand
Operating voltage
(Rated voltage 12-24 VDC) 8.5 – 30.0VDC 8.5 – 30.0VDC
Power consumption DC 12V 43mA Peak 168mA
DC 24V 26mA Peak 100mA
DC 12V 60mA Peak 220mA
DC 24V 40mA Peak 125mA
Tamper protection Yes Yes
Card technology MIFARETM MIFARE
Card compatibility
MIFARE Classic
MIFARE Plus
MIFARE DESFire EV1/ EV2
MIFARE Classic
MIFARE Plus
MIFARE DESFire EV1/ EV2
Reading distance
MIFARE Classic-up to 6 cm
MIFARE Plus-up to 6 cm
MIFARE DESfire EV1/ EV2-the
card must be held to the reader
MIFARE Classic-up to 6 cm
MIFARE Plus-up to 6 cm
MIFARE DESfire EV1/ EV2-the
card must be held to the reader
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
Operating temperature - 40°C to + 70°C - 40°C to + 70°C
IP rating IP54-IP66 Mounting and connecting on page12
IK class 08 08
Housing Zinc cast metal bezel with
polycarbonate plastic front
Zinc cast metal bezel with
polycarbonate plastic front
Color Black, matt chrome Black, matt chrome
Dimensions (WxHxD) mm Surface mounted: 48 x 129 x 22 Surface mounted: 48 x 129 x 24
Weight 219g 225g
Serviceable parts None None
Standards
EN50131-3:2009, Grade 3,
Class III
SSF1014:5, Grade 3, Class III
EN50131-3:2009, Grade 3,
Class III
SSF1014:5, Grade 3, Class III
© Vanderbilt 2021 6 A-100410-d
12.02.2021