TB100-12L1 is a 12-pole double row terminal block from the TB100 series, designed for secure wire-to-wire connections in electrical applications. It features a 30A, 300V rating with a center spacing of 0.375" (9.52mm) and accommodates wire sizes from #14 to #22 AWG copper. The terminal block includes #6-32 philslot screws with zinc-plated steel construction, tin-over-brass terminal plating, and a UL 94V0 rated black thermoplastic molded base. With an operating temperature range of -40°C to +130°C, a breakdown voltage of 3600V, and dimensions of 5.16" (A) x 4.88" (B), this terminal block is suitable for industrial control panels, power distribution, and general wiring applications requiring reliable, high-current connections.