The TB300-03 is a 3-pole, double-row terminal block designed for secure wire-to-wire connections. It is rated for 30A at 600V and accommodates copper wire sizes from #10 to #22 AWG, secured by #8-32 philslot screws with a torque rating of 16 in-lb. Constructed with a black UL 94VO thermoplastic base and tin-plated brass terminals, it features a breakdown voltage of 7500V rms and a center spacing of 0.562 inches. The block operates reliably in temperatures ranging from -40°C to 130°C. Its robust design and UL, CSA, and CE approvals make it ideal for power distribution, industrial controls, and other demanding electrical applications.