▌ Relay Box
BF-20
BF-50
BF-333
Relay Box
Relay Box
Floor Controller

Specifications
Function / Model name
BF-20
BF-50
BF-333
Multi-door or Single-door controller
readers support

BF-630/BF-830
BF-660/BF-670
BF-880/BF-870
Webpass

BF-660/BF-670
BF-880/BF-870
SEMAC
BF-660/BF-670
BF-880/BF-870
SEMAC
Watch Dog built-in
Working Voltage (DC)
9-24V DC
Working Current (mA)
300mA
<900mA
200mA
LED Control dry contact
Buzzer Control dry contact
Card Reader Sensor dry contact
Reader detecting dry contact
Wiegand IN communication dry contact
1
2
RS485 communication dry contact
Emergency mode dry contact
Emergency mode:
Exit button's still available while
disconnected with Terminal
Emergency Switch removing the control of all floors.
Sensor dry contact
Buzzer Enable/Disable option
Sensor circuit detecting
Exit Button dry contact
Door Open Relay
1
1
16
Event/Log Relay
2
2
Door no. Configurations
Main Door &
Door no.1~8
Door no.1~8
Manages up to 8 elevator controllers, totally 128 multistories.
Weight(g.)
100
140
655
Dimension(mm)
91 x 51 x 30
106 x 100 x 26.5
165 x 140 x 37