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Small transparent rectangular contactor with screw terminals and 24V AC coil marking

Schneider Electric

Schneider Electric LC2K0901B7 IEC Miniature Magnetic Contactor 1NC 24V AC

SKU CH-EXN0-Y29KG

A reversible IEC miniature magnetic contactor for motor control and resistive loads, with 24V AC coil, 1NC auxiliary contact, screw clamp terminals, and compliance with IEC 60947, UL 508, CSA.

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Reversible action suits diverse industrial motor control
  • 1NC instantaneous auxiliary contact provides reliable switching
  • Operates from -13 to 122 °F ambient temperature
  • Screw clamp terminals accept compatible cable types
  • Meets UL 508 600 V and IEC 690 V insulation ratings

Industrial Motor Control Contactor

The Schneider Electric LC2K0901B7 is a miniature magnetic contactor built for industrial motor control and resistive load applications. It operates on a 24V AC coil voltage and features a single normally closed auxiliary contact. The reversible action design suits various automation tasks within the TeSys series.

Upgrading From Basic Starters

This contactor replaces simple on-off switches or non-reversing starters when motor direction control is required. The jump is worth it for applications needing reliable operation across wide temperature ranges from -25°C to 50°C during use and -50°C to 80°C in storage. Screw clamp terminals simplify wiring changes during retrofit projects.

Panel Builders And Automation Engineers

The unit suits professionals building control panels compliant with IEC 60947, UL 508, CSA, VDE 0660, BS 5424, NF C 63-110 and UKCA standards. It is not for installers needing additional auxiliary contact blocks beyond the single 1NC configuration. Buyers requiring DC coil voltages or higher power ratings should look at other TeSys models.

Highlights

  • Reversible action suits diverse industrial motor control
  • 1NC instantaneous auxiliary contact provides reliable switching
  • Operates from -13 to 122 °F ambient temperature
  • Screw clamp terminals accept compatible cable types
  • Meets UL 508 600 V and IEC 690 V insulation ratings

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What screw clamp terminal spacing does the LC2K0901B7 need for cable fitting?

The contactor uses screw clamp terminals compatible with solid and stranded cables; strip insulation to the length marked on the terminal block and tighten to the torque printed on the device.

Which wiring step is most often missed when installing this 24 V AC coil contactor?

Connect the coil to a 24 V AC source matching the 50/60 Hz rating and verify the 1NC auxiliary contact changes state before closing the power circuit.

What part of the LC2K0901B7 will need checking after repeated switching cycles?

Inspect the main power contacts and the 1NC auxiliary contact for erosion or welding after high-cycle operation; replace the complete contactor if contact resistance rises.

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