75kw Air Compressor

Main Technical Specifications

Rated Power: 75 kW

Rated Voltage: 380 V (3‑phase industrial)

Rated Frequency: 50 Hz

Rated Speed: 1480 r/min / 2960 r/min (optional)

Power Factor: ≥0.85

Duty Cycle: S1 continuous duty (24‑hour non‑stop operation available)

Protection Class: IP54 / IP55 (dust‑proof, splash‑water resistant)

Insulation Class: F / H class, high‑temperature resistance & anti‑aging

Energy‑efficiency Grade: National Grade‑2 or above energy‑saving standard

Operating Ambient Temperature: ‑20℃ ~ +45℃

Product Features & Advantages

1. High Efficiency & Energy Saving

Optimized electromagnetic design, precision winding craftsmanship and high‑performance core components ensure over 93 % full‑load efficiency. It features smooth starting current and low no‑load loss. Compared with traditional counterparts, it cuts comprehensive energy consumption by 8‑15 %, lowering long‑term operational costs and meeting industrial energy‑saving requirements.

2. Stable Performance & Strong Load‑bearing Capacity

Excellent overload capacity enables it to withstand short‑time load fluctuation and impact load. Smooth power output avoids stalling and abnormal noise. Key components undergo strict testing for fatigue resistance, making it suitable for heavy‑duty, frequent‑start‑stop and continuous‑running working conditions to minimize unexpected downtime.

3. Superior Protection for Harsh Conditions

Closed‑type structure prevents dust, water‑splash, oil contamination and solid foreign‑matters ingress. Independent well‑designed cooling system avoids overheating under long‑time full‑load operation. Reliable performance is guaranteed in open‑air sites, dusty workshops, humid plants and mining environments.

4. Intelligent Control & Easy Operation

Built‑in intelligent control system monitors voltage, current, rotation speed, temperature and load in real time. Multiple protective functions cover overload, short‑circuit, phase‑loss, over‑temperature and under‑voltage, with automatic alarm and emergency shutdown. Manual, automatic and variable‑speed control modes are supported for integration with mainstream industrial automation systems.

5. Robust Structure & Low‑cost Maintenance

High‑strength cast‑iron / alloy frame provides good shock resistance. Premium bearings, windings and controllers extend service life. Modular layout simplifies disassembly, inspection and servicing. Spare parts are highly universal with affordable procurement, reducing maintenance time and expense.

Application Scenarios

Machinery manufacturing: driving air compressors, water pumps, fans, crushers, mixers, conveyors and machine tools

Construction engineering: site temporary power supply and mechanical supporting power

Mining & metallurgy: conveying equipment, mineral‑processing and dust‑removal facilities

Water‑treatment industry: large‑size water pumps, sewage‑treatment and pressurizing systems

Factory facilities: ventilation systems, constant‑temperature‑humidity equipment and automatic production lines

Emergency backup power: standby power for factories, commercial buildings and small‑scale computer rooms

Summary

Featuring high power output, high efficiency, stable performance, wide adaptability and low maintenance, the 75 kW equipment perfectly matches medium‑size industrial heavy‑load requirements. Capable of non‑stop production and harsh‑environment operation, it delivers reliable and cost‑effective power support for equipment upgrading, replacement and engineering matching.

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