Mitsubishi S-T35 AC Magnetic Contactor, 3Pole 17A 18.5kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-T35 AC Contactor

Mitsubishi S-T35 is a mid-frame high-performance AC magnetic contactor in the modern S-T series.

This S-T35 model delivers stable heavy-load switching for industrial three-phase motor equipment.

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-T35 features upgraded mid-frame structure for higher load capacity performance.

This magnetic contactor supports three universal AC voltages for flexible global site deployment.

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

Advanced arc suppression design improves safety during frequent industrial switching.

Long mechanical durability minimizes routine maintenance and equipment downtime.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated AC-3 operational current: 17A at maximum 690V three-phase operation

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

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

AC-3 power rating: 11kW(240V), 18.5kW(440V), 15kW(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: 75mm width, 89mm height, 91mm depth

Unit weight: 0.55kg 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 fan motor systems.

It provides reliable power switching for medium-sized processing and packaging machinery.

The industrial contactor adapts to standard automation panel layout specifications.

It serves stable circuit control for mid-range factory automation production lines.

Professional Installation & Usage Tips

Mount Mitsubishi S-T35 firmly on DIN rails for standardized industrial assembly.

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.