Siemens FDME231, S54311-B14-A1
Electronic switching unit incl. key FDMK231
See FDM231-RP for technical overview.
SIEMENS
Siemens 2473130001
SIEMENS
Siemens ALB24.1OR, 5154140001
SIEMENS
Siemens FDME273, S54323-B108-A1 Switching unit with indirect alarm actuation Switching unit with built-in alarm indicator (LED). Two-colored LEDs for alarm and test.
SIEMENS
Siemens FDME233, S54311-B5-A1FDME233 Switching unit (type B)
SIEMENS
Siemens FDME234, S54311-B4-A1FDME234 Switching unit (type A)