SZ 2500.440 is a two-pole through-wiring connection cable assembly from Rittal, engineered for fast, plug‑and‑socket through-wiring of 24 V DC circuits in enclosure installations, with LED luminaires as a common use case. The black, 1,000 mm long lead uses AWG 18 conductors and ships in a pack of five pieces; per bag the net weight is 0.34 kg and the gross weight is 0.371 kg. Each lead includes both a plug and a sleeve (socket) on the ends, is UR and C‑UR recognized, and is designed to cross the rear panel of Rittal enclosures to provide clean, reliable DC power distribution for lighting or other 24 V DC components.
