The 1989800000 is a test-disconnect terminal featuring PUSH IN connection technology. It supports a rated cross-section of 4 mm² and can accommodate wire cross-sections up to 6 mm² for solid core conductors. This single-level terminal is rated for 500V and 23A, with a rated impulse withstand voltage of 6 kV. Constructed from Wemid material with a UL 94 V-0 flammability rating, it operates in temperatures from -50°C to 120°C. Designed for snap-on mounting to a TS 35 rail, its pivoting disconnect function and PUSH IN technology simplify wiring and testing in control systems and industrial applications.