The 300 Bar Hardened Steel Membrane Pressure Switch provides reliable pressure detection for hydraulic systems up to 300 bar. It features a 1/4″ BSP thread, hardened steel housing, and a diaphragm‑actuated contact set available in normally open (N.A) or normally closed (N.C) configurations. Pressure ranges are offered as 1‑10 bar or 20‑50 bar, covering low‑ to medium‑range applications. Designed to meet ISO and DIN standards, it is suitable for hydraulic presses, mobile equipment, machine‑tool monitoring, and oil‑and‑gas safety circuits. All variants are kept in stock for fast delivery.