Mitsubishi S-N600AB AC Magnetic Contactor, 3Pole 420A 330kW 2NO2NC Multi Optional Coil Voltage

Mitsubishi S-N600AB AC Contactor

Mitsubishi S-N600AB is an ultra-large-frame magnetic contactor in the premium Mitsubishi S-N series.

This Mitsubishi S-N600AB unit delivers reliable switching for extreme high-power industrial motor loads.

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-N600AB adopts twin contact design to enhance long-term contact reliability.

This Mitsubishi S-N600AB magnetic contactor supports 420A ultra-high rated operational current.

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

Heavy-duty reinforced frame resists vibration in harsh industrial operating environments.

Universal multi-voltage coil options fit diverse global industrial power supply grids.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated operational current: 420A at maximum 690V AC three-phase operation

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

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

AC-3 power rating: 190kW(240V), 330kW(440V), 330kW(690V)

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

Electrical service life: 500,000 standard AC3 load switching cycles

Mechanical & Structural Data

Mounting method: Professional screw fixed installation for heavy-load stability

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

Product dimensions: 290mm width, 310mm height, 230mm depth

Unit weight: 20kg per standalone contactor unit

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

Industrial Application Coverage

This magnetic contactor manages ultra-high-power motors in large industrial manufacturing plants.

It controls heavy industrial pumps, large blowers and central ventilation systems.

The industrial contactor serves super heavy-duty processing and logistics machinery.

It acts as core switching component for large industrial power distribution cabinets.

Professional Installation & Usage Tips

Install Mitsubishi S-N600AB on rigid flat surfaces to prevent operational vibration faults.

Confirm matched AC coil voltage to avoid coil burnout and permanent circuit damage.

Equip surge suppressors to stabilize high-power industrial switching circuit voltage.

Check terminal connections routinely to maintain safe and stable long-term operation.