B484306 is a single-row terminal block from the Series B4000 barrier-style family, featuring a #10-32 screw terminal on top and #8-32 screw terminal on bottom. It is rated for 600V at 50A and accommodates wire sizes from 8 to 16 AWG copper, with a maximum current of 50A achievable using #8 copper wire crimped to ring terminals. The block operates over a temperature range of -40°C to +105°C and is constructed from black, UL-rated 94V0 thermoplastic material with a center spacing of 0.562 inches (14.28 mm). With a breakdown voltage of 6100V and torque ratings of 20 lb-in. for the #10 screw, this terminal block is suitable for industrial control panels, power distribution systems, and other applications requiring reliable dual-screw connections.