Schneider Electric LC1DT40F7 TeSys Deca Contactor 4P 4NO AC-1 40 A 110 V AC Coil Contactor

The Schneider Electric LC1DT40F7 is a 4-pole TeSys Deca contactor rated 40 A AC-1 at up to 440 V AC, built for resistive-load switching rather than motor starting. It runs on a 110 V AC 50/60 Hz coil and ships with 1 NO + 1 NC mirror-certified auxiliary contacts built in, screw clamp terminals, and a 45 mm DIN-rail or plate-mount body.

Technical Specifications

Certifications & Standards

• DNV
• GL
• CCC
• LROS
• RINA
• BV
• GOST
• UL
• CSA
• CB
• CSA C22.2 No 14
• EN 60947-4-1
• EN 60947-5-1
• IEC 60947-4-1
• IEC 60947-5-1
• UL 60947-4-1
• IEC 60335-1

Selection Notes

The 4P/4NO contact arrangement and AC-1 rating target resistive loads — heater banks, lighting circuits — not three-phase motor AC-3 switching; pick a higher-current variant in the same range for loads above 40 A. The built-in 1 NC mirror contact lets an interlock circuit confirm all four poles are open before enabling a parallel circuit. The 110 V AC 50/60 Hz coil needs a control supply at that exact voltage, so check the panel's control transformer tap before specifying this coil code.