LC1G2654KUEN | Schneider Electric TeSys Giga 4P Contactor 385A

Why the LC1G2654KUEN Belongs in Your High-Power Panel

When a 385 A motor line goes down, every hour of downtime erodes output. The Schneider Electric LC1G2654KUEN is a TeSys Giga high-power contactor built to switch heavy industrial loads reliably, day after day. Its 4-pole (4 NO) configuration, wide-band 100…250 V AC/DC coil, and 385 A AC-1 rating at up to 1000 V AC make it a direct-fit solution for demanding power switching duties. As a consulting engineer, I recommend this unit when you need a genuine, cost-effective contactor that is in stock and ready to ship.

Key Technical Parameters at a Glance

• Poles: 4 NO (4-pole, normally open)
• Rated operational current: 385 A at <40 °C (AC-1, ≤1000 V AC); 265 A at <60 °C (AC-3, ≤440 V AC)
• Rated operational voltage: ≤1000 V AC 50/60 Hz; ≤460 V DC
• Control circuit voltage: 100…250 V AC 50/60 Hz and 100…250 V DC (wide band)
• Control limits: Operational 0.8 Uc min…1.1 Uc max; drop-out 0.1 Uc max…0.45 Uc min
• Rated impulse withstand: 8 kV, overvoltage category III
• Rated breaking capacity: 2380 A at 440 V
• Short-time withstand current: 2.2 kA for 10 s
• Mechanical durability: 8 million cycles
• Operating time: 40…70 ms closing, 15…50 ms opening
• Power dissipation per pole: 20 W AC-1, 11 W AC-3
• Dimensions: 225 mm H × 185 mm W × 226 mm D; net weight 8.2 kg
• IP degree: IP2X front face with shrouds
• Ambient operating temperature: −25…60 °C

Where This Contactor Earns Its Keep

Heavy motor control. With a 265 A AC-3 rating at ≤440 V AC, the LC1G2654KUEN handles large three-phase motor starting and stopping. The built-in bidirectional peak limiting coil reduces inrush stress, extending contact life in frequent-start applications.

Power distribution switching. In AC-1 duty at 385 A, it works as a main line contactor or isolation device for resistive loads up to 1000 V AC. The 8 kV impulse withstand and overvoltage category III rating suit panels exposed to utility-level transients.

DC and mixed systems. The ≤460 V DC operational voltage and wide-band coil let the same unit serve DC bus switching or control circuits without a separate coil variant — a real inventory simplification for multi-voltage plants.

Installation and Setup Notes

The LC1G2654KUEN mounts on a plate and uses bar connections for the power circuit (busbar cross-section 32 × 10 mm) or lugs-ring terminals up to 185 mm². Control circuit connections are push-in type, accepting 0.2…2.5 mm² solid/stranded or 0.25…2.5 mm² flexible conductors with cable ends. Tighten power terminals to 35 N·m. Maintain the specified 45 mm connection pitch for proper clearance. Verify coil voltage matches your control supply before energizing, and confirm the operational limits (0.8…1.1 Uc) align with your control transformer output.

Reliability and Maintenance

TeSys Giga contactors are engineered for long service. The 8 million cycle mechanical durability and B10d values (400,000 cycles at nominal load; 3,000,000 cycles at mechanical load per EN/ISO 13849-1) support predictive maintenance planning. Inspect contact tips and coil terminals periodically, keep the IP2X front face clean and shrouded, and respect the −25…60 °C operating range. For safety-related circuits, always follow the manufacturer's safety manual and applicable standards.

Compatibility and Integration

The contactor conforms to EN/IEC 60947-4-1 and 60947-5-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, and JIS standards, with CB Scheme, CCC, cULus, EAC, CE, and UKCA certifications. It integrates into standard motor control centers and panel designs. If your control architecture uses a fieldbus network, note that wiring into such networks may require an external gateway or connection module — confirm cables and gateways with your supplier before commissioning.

Selection Checklist

Before ordering, verify: coil voltage (100…250 V AC/DC), utilization category (AC-1, AC-3, etc.), pole configuration (4 NO), and available panel space (225 × 185 × 226 mm). Confirm your busbar or lug size matches the 32 × 10 mm bar or 185 mm² terminal capacity. Please verify current lifecycle status and availability with SpareTech Plc before ordering. Contact SpareTech Plc today for pricing and availability.