Description
Schneider Electric (Square D) LC1D188B7 4-Pole Contactor Overview
The Schneider Electric (Square D) LC1D188B7 is a heavy-duty IEC-style general purpose contactor engineered for dependable performance in commercial and industrial HVAC, motor control, and electrical load-switching applications. With a 4-pole (4P) design and a 2NO/2NC contact configuration, this contactor offers versatile switching capability for both power and control circuits in a single compact device.
Key Specifications
- SKU / Part Number: LC1D188B7
- Manufacturer: Schneider Electric (Square D)
- Poles: 4-Pole (4P)
- Contact Configuration: 2 Normally Open (NO) / 2 Normally Closed (NC)
- Rated Current: 32A
- Coil Voltage: 24VAC
- Type: IEC General Purpose Contactor
Features & Benefits
- 4-pole design enables simultaneous switching of multiple circuits, ideal for three-phase and split-phase load control
- 2NO/2NC contact arrangement provides built-in flexibility for interlocking, reversing, or mixed load applications
- 32A continuous current rating supports a wide range of HVAC motors, compressors, and resistive loads
- 24VAC coil voltage integrates seamlessly with standard HVAC control circuits and building automation systems
- Schneider Electric’s proven IEC contactor platform delivers long electrical and mechanical service life
- Compact, DIN-rail-compatible form factor simplifies panel installation and replacement
Typical Applications
- Commercial HVAC compressor and motor control panels
- Air handling unit (AHU) and rooftop unit (RTU) electrical panels
- Industrial motor starters and reversing contactor assemblies
- Building automation and energy management control panels
- General-purpose load switching in commercial electrical systems
Why Choose Schneider Electric (Square D)?
Schneider Electric is a globally recognized leader in energy management and automation. The Square D line of contactors is trusted by HVAC technicians, electrical contractors, and facility managers for its robust construction, consistent performance, and broad compatibility with industry-standard control systems. The LC1D188B7 is a direct replacement and upgrade solution for a wide range of 4-pole contactor applications.







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