You can order REK-21 DLT.569.002 from us
Other products in Switching devices
REK-23 RF4.500.472-0001
REK-43 RF4.500.478-0201
REK-43 RF4.500.478-0401
REK-43 RF4.500.478-0501
REK-60 RVIM.647612.027-05