Mitsubishi S-T100 AC Magnetic Contactor, 3Pole 65A 55kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-T100 AC Contactor

Mitsubishi S-T100 is a large-frame heavy-duty magnetic contactor in the upgraded S-T series.

This S-T100 model delivers stable switching for high-power three-phase industrial 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-T100 adopts premium twin-contact structure for reliable current conduction.

This high-frame contactor supports three universal AC voltages for global site adaptation.

Standard 2NO2NC auxiliary contacts support complex interlock and signal feedback logic.

Reinforced frame structure resists vibration in harsh industrial working environments.

High load capacity ensures stable operation for continuous heavy-duty production tasks.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated AC-3 operational current: 65A at maximum 690V three-phase operation

Main pole configuration: 3-pole large-frame heavy-duty industrial main circuit structure

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

AC-3 power rating: 30kW(240V), 55kW(440V), 55kW(690V)

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

Mechanical service life: 5,000,000 no-load switching operation cycles

Electrical service life: 150,000 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: Heavy-duty screw-clamp terminal connection industrial design

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

Product dimensions: 100mm width, 124mm height, 127mm depth

Unit weight: 1.7kg per standalone contactor unit

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

Industrial Application Coverage

This magnetic contactor controls high-power industrial pumps and large ventilation fan systems.

It provides stable power switching for heavy processing and large automated packaging machinery.

The industrial contactor fits large automation panel layouts for industrial cabinet assembly.

It serves reliable circuit control for large-scale factory automation production lines.

Professional Installation & Usage Tips

Mount Mitsubishi S-T100 firmly on DIN rails to resist operational mechanical vibration.

Select matched AC coil voltage to prevent coil overheating and permanent circuit faults.

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

Inspect terminal connections regularly to maintain long-term stable circuit operation.