The Schneider Electric LC1F1504F7 is a TeSys F series 4-pole contactor rated for 250 A in AC-1 utilisation category (resistive load) at ≤440 V, with a 110 V AC 40-400 Hz control coil. It switches resistive loads like heaters or lighting banks, not motor starts — the AC-1 rating means it handles steady-state current without the inrush a motor draws. The 4 NO power poles give you four independent make contacts in one package, useful for switching multiple load circuits or a three-phase plus neutral.
The 8 kV impulse withstand voltage (Uimp) and overvoltage category III rating tell you it's designed for fixed-installation distribution panels, not sensitive electronics. Mechanical durability of 10 million cycles gives a long service life in lightly cycled applications; at the maximum operating rate of 2400 cycles/hour at 55 °C, that's over 4000 hours of continuous switching if you push it that hard.
Plate-mounted, not DIN-rail — the 200.5 mm width and 171 mm depth mean it needs a backplate or sub-panel with clearance for the power circuit bolted connections (bar, lugs, or connector up to 120 mm² cable). Control wiring uses screw clamp terminals accepting 1 to 4 mm² flexible or solid. Torque the power connections to 18 N·m and control connections to 1.2 N·m. The IP2X front face with shrouds meets finger-probe protection per IEC 60529 and VDE 0106, so it's safe for open-panel mounting with the shrouds fitted.
Operates from -40 to 60 °C ambient, stores from -60 to 80 °C, and runs at altitudes up to 3000 m without derating. The TH protective treatment means it's tropicalised for humid environments. Standards compliance covers IEC 60947-4-1, EN 60947-4-1, and JIS C8201-4-1 — the core contactor standard for switching and protection. Rated insulation voltage is 1000 V per IEC 60947-4-1, with a 1500 V rating per VDE 0110 group C.