SIMATIC terminal module. TM-E30C46-A1 for ET 200S electronic modules 30 mm wide, spring-load terminals. 4 x 6 terminal connections with terminal lead to aux1, aux1 in-line. Mechanical modules as receptacles for the electronic modules. For setting up permanent wiring via build-as-you-go voltage buses. Keyed connection technology to ensure an enhanced vibration resistance of up to 5 g. Replaceable terminal box. Automatic coding of the electronics modules. Build-as-you-go shielding of the backplane bus for high data security. Colour coding facility for the terminals and for identifying the slot numbers.