Mitsubishi S-T32 AC Magnetic Contactor, 3Pole 32A 15kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-T32 AC Contactor

Mitsubishi S-T32 is a high-power compact AC magnetic contactor in the upgraded S-T series lineup.

This S-T32 unit delivers stable heavy-load switching for medium industrial three-phase motor systems.

Available Optional Coil Voltages (Front Display)

AC100V (100–127V wide range for low-voltage industrial AC control circuits)

AC200V (200–240V wide range for mainstream global industrial AC systems)

AC400V (380–440V wide range for high-voltage three-phase power equipment)

Unique Product Strengths

Mitsubishi S-T32 adopts miniaturized compact frame to save industrial cabinet space.

This magnetic contactor supports three universal AC voltages for global on-site matching.

Standard 2NO2NC auxiliary contacts enable complex interlock and signal control logic.

Optimized arc suppression structure enhances safety during frequent load switching.

High mechanical endurance ensures long-term stable continuous industrial operation.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated AC-3 operational current: 32A at 200V three-phase industrial operation

Universal rated current: 12A at maximum 690V AC industrial working voltage

Main pole configuration: 3-pole standard industrial main circuit structure

Auxiliary contact layout: 2NO + 2NC multi-functional signal control contacts

AC-3 power rating: 7.5kW(240V), 15kW(440V), 11kW(690V)

Operating frequency: 50Hz and 60Hz dual universal frequency compatibility

Mechanical service life: 10,000,000 no-load switching operation cycles

Electrical service life: 100,000 standard AC3 load switching cycles

Mechanical & Structural Data

Mounting method: Standard 35mm DIN rail and screw fixed dual installation

Operating temperature range: -10°C to +40°C standard ambient environment

Wiring mode: Stable screw-clamp terminal connection industrial design

Protection grade: IP20 finger-safe and dust-proof safety protection structure

Product dimensions: 43mm width, 81mm height, 81mm depth

Unit weight: 0.36kg per standalone contactor unit

Compliance standards: EN60947-4-1, IEC60947-4-1, JIS C8201-4-1

Industrial Application Coverage

This magnetic contactor controls heavy-duty pumps, fans and ventilation motor systems.

It provides stable power switching for standard packaging and handling machinery units.

The industrial contactor fits compact automation panel layouts for space-saving assembly.

It supports reliable circuit control for medium-scale factory automation equipment.

Professional Installation & Usage Tips

Mount Mitsubishi S-T32 firmly on DIN rails for fast and standardized field assembly.

Select matched AC coil voltage to avoid coil overheating and operational faults.

Install surge suppressors to filter transient voltage spikes in control circuits.

Check terminal tightness regularly to maintain long-term stable circuit connection.