The 670A-RZ-18 is an 18-pole double-row terminal block designed for industrial electrical distribution and control applications. It features a thermoplastic base with 130°C UL RTI rating, closed-back design, and plated brass terminals with #6-32 binder head screws for secure wire connections. The block is rated for 300 Volts AC/DC (Class B) and accommodates wire sizes #12–#22 AWG with a 20 A current capacity when using wire binding screws, or #14–#22 AWG stranded or solid wire at 15 A with sems pressure screws. With 3/8" pole centers and dimensions of 7.41" (A) × 7.13" (B), it provides compact, reliable termination for multi-circuit wiring in control panels, power distribution systems, and industrial equipment. The block is UL recognized, CSA certified, CE marked, and RoHS compliant.