The Schneider Electric LC1G185LSEN is a 3-pole contactor from the TeSys Giga series, rated for 185 A in AC-1 duty and delivering 90 kW at 400 V AC in AC-3e motor-switching service. It handles motor loads from 55 kW at 230 V up to 110 kW at 690 V in AC-3e, and carries a North American horsepower rating of 125 hp at 460/480 V 60 Hz. This contactor covers a wide range of utilisation categories — AC-1 through AC-8b and DC-1 through DC-5 — making it suitable for resistive heating, motor starting (including reversing and plugging), capacitor switching, and DC loads up to its rated breaking capacity of 1610 A at 440 V. The 3 NO main poles and integrated 1 NO + 1 NC auxiliary contacts mean you can handle feedback and interlocking without an add-on block in many panel layouts.
The AC-3e rating at 400 V (90 kW) is the one that governs most motor-starting applications in European and Asian 400 V three-phase networks — it's the duty cycle that matters for squirrel-cage motors, not the higher AC-1 resistive current. For North American 60 Hz panels, the 125 hp at 460/480 V rating is the equivalent gate. The 8 Mcycles mechanical durability means this contactor will outlast the machine in most cyclic applications; the B10d of 400,000 cycles at nominal load (per EN/ISO 13849-1) is the safety-relevant figure for guarding circuits. Power dissipation per pole runs 20 W in AC-1 at 305 A and 6 W in AC-3 at 185 A — that's the heat you need to account for in a sealed enclosure. The 0.00017 Ω average impedance confirms low losses for a contactor this size. Maximum operating rate is 600 cycles/hour in AC-3/AC-3e, 300 in AC-1, and 150 in AC-4 — the AC-4 figure is the limiter for reversing or inching duty.
Compliance documentation covers EN/IEC 60947-4-1 and 60947-5-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, and JIS C8201-4-1/5-1. It also meets IEC 60335-1 Clause 30.2 and IEC 60335-2-40 Annex JJ for appliance applications, plus UL 60335-1 and UL 60335-2-40 Annex JJ.
Mounts on a plate (not direct DIN rail — the 35 mm connection pitch is the pole spacing, not the rail pitch). Power connections accept bar or busbar up to 25 x 6 mm, or ring terminals up to 185 mm². Tightening torque for power terminals is 18 N·m (159.3 lbf·in). The IP2X front face with shrouds meets IEC 60529 and VDE 0106 for finger-safe installation. Dimensions are 7.6 x 4.3 x 7.6 in (193 x 108 x 193 mm) — a compact footprint for a 185 A frame. The dark grey housing is standard for the TeSys Giga range. Associated fuse ratings are 200 A aM or 315 A gG at the line side; UL Type J fuses at 300 A for North American installations.