The Fourgroup Simplex‑UP M/3 is a compact electronic pump control panel designed for direct start of single‑phase or three‑phase motors. Ideal for pressure systems, wells, and wastewater or clean water pumping applications, the unit combines reliable motor protection with flexible level and pressure control options.

Key specifications & features

• Power range: 0.37 – 2.2 kW (suitable for a wide range of domestic and light industrial pumps).
• Supply: 230 V single‑phase (variants exist for three‑phase systems); rated current coverage typically 2–16 A.
• Controls: Inputs for three single‑pole level probes, support for floats and pressure switches, and selectable filling/emptying modes.
• Protection & indicators: Adjustable motor overload protection, AUTO‑0‑MAN manual override, LED indicators for power/auto/motor/alarm, and provision for Klixon thermal trip input.
• Alarm outputs: Optical/acoustic alarm and volt‑free alarm contacts (NO‑COM‑NC) for remote signaling.
• Construction: ABS enclosure with IP55 protection (environmental rating for typical pump installations); compact footprint for easy panel mounting.

These technical highlights are documented across manufacturer reseller listings and technical datasheets.

Why choose the Simplex

The Simplex‑UP series is engineered for installers and system integrators who need straightforward, dependable level and motor control without complex configuration. Its compatibility with floats, pressure switches, and level probes makes it versatile for pump controllers, water pressure booster systems, and dewatering setups. The compact electronic board and clear LED diagnostics help reduce commissioning time and simplify troubleshooting.