turck BL20 Series - 11.3.1 Technical data

321
2020/09
11.3.1 Technical data
Technical data
Designation BL20-2DO-R-NC
Number of channels 2 normally closed contacts
Nominal voltage from supply terminal 24 VDC
Nominal current from supply terminal I
L
< 20 mA
Nominal current from module bus I
MB
 28mA
Power loss of the module, typical
< 1 W
Resistive, inductive and lamp loads can be connected
Application category as per AC15 / DC13
Switching voltage (to supply the actuators)
Nominal load voltage
230 VAC/30 VDC
Switching current (to supply the actuators)
Current for DC (purely resistive)
Load limit curve, s. S. 319
Nominal current (DC13) 24 VDC
1 A
Nominal current (AC15) 250 VDC
3 A
Minimum load current ( 12 VDC)
100 mA
Synchronization factor 100 %
Current and number of switching operations (opera-
tional life):
AC15 - 250 VAC
1 × 10
5
at 2 A
2 × 10
5
at 1 A
4 × 10
5
at 0.5 A
Current and number of switching operations (opera-
tional life): DC13 - 24 VDC
2 × 10
5
at 1 A
> 5 × 10
5
at 0,5 A
Switching frequency
Resistive load < 0.1 Hz
Inductive load < 0.1 Hz
Lamp load < 0.1 Hz
Isolation voltage
Relay output to relay output no
Relay output to module bus 1.5 kV
eff
Relay output to field voltage cable 1.5 kV
eff
Module bus to field voltage cable 500 V
eff