319
2020/09
11 Relay Modules
11.1 Load limit curve with resistive load
At 1 000 switching cycles, no sustained arcs with a burning life > 10 ms may occur.
11.2 Module overview
Fig. 225: Definition of load limit curve
ATTENTION
Switching of too high loads/power
Destruction of contacts
† Observe the devices' load limit curve.
Module Function
BL20-2DO-R-NC normally closed contact
BL20-2DO-R-NO normally open contact
BL20-2DO-R-CO change over contact