Mitsubishi S-N125 AC Magnetic Contactor, 3Pole 70A 90kW 2NO2NC Optional Multi Coil Voltage

Mitsubishi S-N125 AC Contactor

Mitsubishi S-N125 is a heavy-duty AC magnetic contactor from the reliable Mitsubishi S-N series lineup.

This Mitsubishi S-N125 unit delivers stable high-power switching for industrial three-phase motors.

Available Optional Coil Voltages (Front Display)

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

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

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

Industrial Application Coverage

This magnetic contactor controls high-power motors in manufacturing and process production lines.

It serves core power switching duties for large pumps and industrial ventilation fan units.

The industrial contactor supports heavy-load operation for packaging and handling machinery.

It fits standard automation panel component layouts for high-power cabinet systems.

Core Technical Specifications

Electrical Performance Parameters

Operation type: AC coil operated non-reversing industrial contactor

Rated operational current: 70A at maximum 690V AC three-phase operation

Main pole configuration: 3-pole standard industrial main circuit structure

Auxiliary contact layout: 2NO + 2NC expandable signal contacts

AC-3 power rating: 37kW(240V), 60kW(440V), 90kW(690V)

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

Mechanical & Structural Data

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

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

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

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

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

Unique Product Strengths

Mitsubishi S-N125 provides multi coil voltage options for flexible global site matching.

This Mitsubishi S-N125 magnetic contactor supports high current heavy-load switching scenarios.

Complete 2NO2NC auxiliary contacts enrich motor control switch circuit logic functions.

Durable mechanical structure extends service life for long-term industrial operation.

Standard industrial sizing ensures compatibility with mainstream control panel layouts.

Professional Installation & Usage Tips

Install Mitsubishi S-N125 firmly on DIN rails to maintain stable structural performance.

Confirm matched AC coil voltage to prevent coil overheating and permanent damage.

Apply surge protection accessories to stabilize industrial power switching circuits.

Check terminal tightness regularly to avoid loose connection operational faults.