Appendix
BK11x0, BK1250 83Version: 4.1
• from a voltage supply complying with NEC class 2.
A voltage source complying with NEC class 2 may not be connected in series or parallel with another
NEC class 2 compliant voltage supply!
These requirements apply to the supply of all EtherCAT bus couplers, power adaptor terminals, Bus
Terminals and their power contacts.