Mitsubishi S-T65 AC Magnetic Contactor, 3Pole 38A 30kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-T65 AC Contactor

Mitsubishi S-T65 is a high-performance mid-frame magnetic contactor in the modern S-T series.

This S-T65 model delivers stable heavy-load switching for 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-T65 features upgraded mid-frame structure for enhanced heavy-load capacity.

This industrial contactor supports three universal AC voltages for global site adaptation.

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

Optimized arc suppression design improves safety during frequent industrial switching cycles.

Reliable mechanical and electrical durability lowers long-term maintenance costs.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated AC-3 operational current: 38A at maximum 690V three-phase operation

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

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

AC-3 power rating: 18.5kW(240V), 30kW(440V), 30kW(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: Stable screw-clamp terminal connection industrial design

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

Product dimensions: 88mm width, 106mm height, 133mm depth

Unit weight: 2.15kg 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 industrial pumps and large ventilation fan systems.

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

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

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

Professional Installation & Usage Tips

Mount Mitsubishi S-T65 firmly on DIN rails or flat surfaces for stable operation.

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

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

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