What this control unit does in your soft starter
The 3RW4774-6SB30: This is the brains of a 3RW4074 Size S12 soft starter — the control unit handles the logic, timing, and coil drive. It runs on 115 V AC and connects via screw terminals, so no special tooling needed for the panel wiring.
Lifecycle and supply reality
Substance Prohibitance date of 01.05.2012 references the RoHS compliance cutoff — the part meets EU RoHS requirements for lead, mercury, cadmium, and the other restricted substances.
Panel fit and wiring
Screw terminals on a control unit mean you land the 115 V control power with a standard slotted driver — no push-in or spring-cage tool needed. The unit mounts into the 3RW4074 Size S12 soft starter frame, which itself sits on a DIN rail or panel. The Product Designation is Control unit — it's not the power module. You pair this with the 3RW4074 power section; the control unit alone doesn't switch motor current.