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AutomationDirect: AchieVe LPPS & S18-1C Mechanical Pressure Switches

pbus 86 automation achievelpps&s18 1cswitches 1200

April 14, 2026

AchieVe LPPS and S18-1C mechanical pressure switches deliver rugged, reliable pressure sensing for demanding industrial applications.

Built with durable brass housings and simple, secure setpoint adjustment, these switches provide dependable relay outputs without the need for external contactors or interposing relays.

The LPPS series supports pressure ranges up to 3000 psig and features a 5A SPDT relay output at 125 VAC (3A at 30 VDC). Models are offered with 1/8 or 1/4 in. NPT male process connections and a mechanical setpoint adjustment with locking screw, all in a rugged housing rated for NEMA 4 and 13 environmental protection.

The S18‑1C series is designed for pressure ranges up to 120 psig and features a high‑capacity 10A SPDT relay output at 125/250 VAC (5A at 30 VDC). These switches include a simple thumbwheel for fast, precise setpoint adjustment, a 1/8 in. NPT male process connection, and rugged construction that ensures consistent performance across a wide ‑20 to 220°F operating range.

The AchieVe LPPS series pressure switches start at $49.00 (LPPS18-1C-D30A),  and the S18‑1C series is priced at $33.00 (S18-1C-120) 

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