Mitsubishi S-N300 AC Magnetic Contactor, 3Pole 220A 200kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-N300 AC Contactor

Mitsubishi S-N300 is a super heavy-duty AC magnetic contactor for industrial power control.

This Mitsubishi S-N300 unit supports maximum load switching for large three-phase motors.

Available Optional Coil Voltages (Front Display)

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

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

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

Unique Product Strengths

Mitsubishi S-N300 provides universal coil voltage options for global industrial deployment.

This Mitsubishi S-N300 magnetic contactor handles 220A ultra-high rated operational current.

Built-in 2NO2NC auxiliary contacts enable flexible interlock and signal feedback control.

Reinforced frame structure ensures stable operation under extreme heavy load conditions.

High power rating adapts to large-scale mechanical and power distribution systems.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated operational current: 220A at maximum 690V AC three-phase operation

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

Auxiliary contact layout: 2NO + 2NC standard signal control contacts

AC-3 power rating: 90kW(240V), 160kW(440V), 200kW(690V)

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

Electrical service life: 1,000,000 standard AC3 load switching cycles

Mechanical & Structural Data

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

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

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

Wiring mode: Heavy-duty screw-clamp terminal connection design

Protection grade: IP00 industrial standard open protection structure

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

Industrial Application Coverage

This magnetic contactor controls super heavy-load motors in large industrial plants.

It manages high-power water pump units and large central ventilation systems.

The industrial contactor matches heavy processing machinery and logistics equipment.

It serves core switching tasks for industrial power distribution cabinets.

Professional Installation & Usage Tips

Install Mitsubishi S-N300 on firm mounting surfaces to resist operational vibration.

Confirm accurate coil voltage to prevent coil burnout and unexpected circuit faults.

Equip surge suppressors to stabilize high-power industrial switching circuits.

Check terminal fastening status regularly to avoid loose connection failures.