Mitsubishi S-T25 AC Magnetic Contactor, 3Pole 26A 11kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-T25 AC Contactor

Mitsubishi S-T25 is a high-performance mid-size AC magnetic contactor in the upgraded S-T series.

This S-T25 model delivers stable power switching for medium industrial three-phase motor loads.

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-T25 features miniaturized width design to optimize cabinet space usage.

This magnetic contactor comes with standard 2NO2NC auxiliary contact configuration.

Optimized arc runner structure improves heat dissipation and switching safety.

Reinforced internal components ensure stable continuous industrial operation.

Universal multi-voltage coil options support flexible global on-site deployment.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated AC-3 operational current: 26A 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: 5.5kW(240V), 11kW(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: 63mm width, 81mm height, 81mm depth

Unit weight: 0.41kg per standalone contactor unit

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

Industrial Application Coverage

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

It provides reliable power switching for packaging and material handling machinery.

The industrial contactor fits diverse automation panel component layouts perfectly.

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

Professional Installation & Usage Tips

Mount Mitsubishi S-T25 firmly on DIN rails for fast 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.