Technical Specifications Breakdown
Key parameters for the LC1G1854KUEN are listed below for quick reference:
| Feature | Specification |
|---|---|
| Brand | Schneider Electric |
| Coil Voltage | 100/250 V ac/dc |
| Number of Poles | 4 |
| Contact Voltage | 1000V |
| Contact Current | 305A |
| Normal State Configuration | 1 NO/1 NC |
| Terminal Type | Busbar |
| Operational Current Ie | 305A |
| Minimum Operating Temperature | -25°C |
| Maximum Operating Temperature | 60°C |
| Width | 140 mm |
| Depth | 193mm |
| Length | 193mm |
| Standards/Approvals | CSA C22.2 No 60947-4-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, JIS C8201-4-1, JIS C8201-5-1, UL 60947-4-1 |
| Pole and Throw Configuration | 4 NO |
| Mounting Type | Chassis Mount |
| Coil Voltage | 100 ~ 250VAC/DC |
| Contact Form | 4PST-NO (4 Form A) |
| Contact Rating (Current) | 305 A |
| Switching Voltage | 1000VAC, 460VDC - Max |
| Features | Auxiliary Contacts |
| Termination Style | Box Lug |
| Operating Temperature | -25°C ~ 60°C |
| Operate Time | 70 ms |
| Release Time | 50 ms |
Reliable Power Switching for Industrial Applications
The Schneider Electric LC1G1854KUEN contactor delivers robust load control in demanding environments. Designed for power switching, this 4-pole device handles 305 A continuous current and switches up to 1000V. Its 100/250 V ac/dc coil offers flexible control voltage compatibility, simplifying integration across diverse control systems.

Industry Applications
Its 305 A rating and 1000V switching voltage make it suitable for large HVAC systems, conveyor drives, and industrial oven control. The 4-pole configuration allows simultaneous switching of three-phase loads plus a neutral or auxiliary circuit. Maintenance engineers appreciate the 1 NO/1 NC auxiliary contacts for feedback to PLCs or status indication.

Installation & Setup Guidance
Mount the contactor on a flat chassis using the provided slots. Ensure busbar connections are torqued to manufacturer specifications (not provided here; refer to the product manual). Wire the coil to a 100/250 V ac/dc supply, observing polarity for DC operation. The box lug terminals accept large cable sizes typical for 305 A circuits. Allow adequate ventilation around the unit to stay within the -25°C to 60°C operating range.
Maintenance & Reliability
Inspect the contactor periodically for dust accumulation, loose connections, and contact wear. Operate the device at least once a month to keep contacts clean. The 70 ms operate time and 50 ms release time ensure fast switching, reducing arcing. Environmental sealing is not specified; install in a clean, dry enclosure if needed.
Selection Guide & Purchasing Advice
When selecting a replacement or new contactor, verify coil voltage (100/250 V ac/dc), pole count (4), and current rating (305 A). The LC1G1854KUEN meets global standards (UL, CSA, IEC, JIS). Contact AutoDCSTech for availability and lifecycle status before ordering. Our team can help confirm compatibility with your existing system.
Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | LC1G1854KUEN |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | France |
