Product Description: The Siemens SXID4214 is a 3-phase 4-wire fusible bus plug designed for 240V applications with a 30 Amp rating. Part of the Sentron series, this SXID-type bus plug features a high 200kA@240V AIC rating and is compatible with R, H, and K class fuses. It is ideal for industrial and commercial electrical distribution systems.