The three-phase explosion-proof motor has the characteristics of novel structure, beautiful appearance, low noise, low vibration, high insulation level, and the enclosure protection is registered IP55
The length of motor shaft can be produced according to customer requirements. Gear oil pump, screw pump, pipeline pump, circulating pump, etc. can be installed.
| Model | Speed(rpm) | Voltage | Model | Speed(rpm) | Voltage |
| 0.55KW-2 | 2900 | 380 Explosion-Proof | 0.55KW-4 | 1450 | 380 Explosion-Proof |
| 0.75KW-2 | 2900 | 380 Explosion-Proof | 0.75KW-4 | 1450 | 380 Explosion-Proof |
| 1.1KW-2 | 2900 | 380 Explosion-Proof | 1.1KW-4 | 1450 | 380 Explosion-Proof |
| 1.5KW-2 | 2900 | 380 Explosion-Proof | 1.5KW-4 | 1450 | 380 Explosion-Proof |
| 2.2KW-2 | 2900 | 380 Explosion-Proof | 2.2KW-4 | 1450 | 380 Explosion-Proof |
| 3KW-2 | 2900 | 380 Explosion-Proof | 3KW-4 | 1450 | 380 Explosion-Proof |
| 4KW-2 | 2900 | 380 Explosion-Proof | 4KW-4 | 1450 | 380 Explosion-Proof |
| 5.5KW-2 | 2900 | 380 Explosion-Proof | 5.5KW-4 | 1450 | 380 Explosion-Proof |
| 7.5KW-2 | 2900 | 380 Explosion-Proof | 7.5KW-4 | 1450 | 380 Explosion-Proof |
| 11KW-2 | 2900 | 380 Explosion-Proof | 11KW-4 | 1450 | 380 Explosion-Proof |
| 15KW-2 | 2900 | 380 Explosion-Proof | 15KW-4 | 1450 | 380 Explosion-Proof |
| 18.5KW-2 | 2900 | 380 Explosion-Proof | 18.5KW-4 | 1450 | 380 Explosion-Proof |
| 22KW-2 | 2900 | 380 Explosion-Proof | 22KW-4 | 1450 | 380 Explosion-Proof |
| 30KW-2 | 2900 | 380 Explosion-Proof | 30KW-4 | 1450 | 380 Explosion-Proof |
| 37KW-2 | 2900 | 380 Explosion-Proof | 37KW-4 | 1450 | 380 Explosion-Proof |
| 45KW-2 | 2900 | 380 Explosion-Proof | 45KW-4 | 1450 | 380 Explosion-Proof |
| 55KW-2 | 2900 | 380 Explosion-Proof | 55KW-4 | 1450 | 380 Explosion-Proof |
| 75KW-2 | 2900 | 380 Explosion-Proof | 75KW-4 | 1450 | 380 Explosion-Proof |
| 90KW-2 | 2900 | 380 Explosion-Proof | 90KW-4 | 1450 | 380 Explosion-Proof |
| 110KW-2 | 2900 | 380 Explosion-Proof | 110KW-4 | 1450 | 380 Explosion-Proof |
| 132KW-2 | 2900 | 380 Explosion-Proof | 132KW-4 | 1450 | 380 Explosion-Proof |
| 160KW-2 | 2900 | 380 Explosion-Proof | 160KW-4 | 1450 | 380 Explosion-Proof |
Three-Phase Explosion-Proof Motor Series: Comprehensive Product Guide
The Three-Phase Explosion-Proof Motor Series is specifically designed to provide reliable, high-performance power in hazardous industrial environments. These motors are engineered with advanced explosion-proof technology, ensuring safety in flammable or explosive atmospheres while maintaining high efficiency and long service life.
Ideal for industries such as chemical processing, oil and gas, mining, and manufacturing, these motors combine robust construction, energy efficiency, and low maintenance requirements, delivering stable and consistent three-phase power for critical industrial operations.
Explosion-Proof Design
Certified for use in hazardous areas, compliant with IECEx and ATEX standards.
Prevents ignition of flammable gases or dust in the surrounding environment.
Three-Phase Efficiency
Optimized three-phase power design ensures stable operation and reduced energy loss.
Suitable for both continuous and intermittent industrial applications.
Durable Construction
High-strength cast iron or aluminum housing protects internal components from mechanical damage.
Resistant to corrosion, dust, and high-temperature environments.
Low Maintenance Requirements
Bearings and seals designed for long life and minimal wear.
Simplified servicing reduces downtime and operational costs.
Wide Range of Applications
Compatible with pumps, compressors, conveyors, mixers, and other industrial machinery.
Supports demanding processes in chemical, mining, oil, and manufacturing industries.

| Parameter | Specification Details |
|---|---|
| Motor Type | Three-Phase Explosion-Proof |
| Protection Class | IP55 / IP56 (optional) |
| Voltage | 380–690 V AC |
| Frequency | 50/60 Hz |
| Power Output | 0.75–315 kW |
| Efficiency | IE3 / IE4 high-efficiency rating |
| Insulation Class | F or H |
| Operating Temperature Range | -20°C to +40°C |
| Ambient Conditions | Dust, flammable gases, high humidity |
| Certification | IECEx, ATEX, CE, ISO9001 |
The Three-Phase Explosion-Proof Motor Series is designed with eco-friendly and energy-saving principles:
High-Efficiency Operation
Meets IE3 or IE4 efficiency standards, reducing electricity consumption.
Optimized rotor and stator design minimizes energy loss.
Low Noise and Vibration
Balanced rotor construction reduces mechanical noise and vibration.
Supports environmentally compliant industrial operations.
Sustainable Materials
Uses recyclable metals and environmentally friendly coatings.
Complies with RoHS directives, ensuring safe use of materials.
Reduced Carbon Footprint
Energy-efficient design lowers greenhouse gas emissions during operation.
Supports industries in achieving sustainable production goals.
Proper installation is essential for optimal performance, safety, and longevity.
Verify motor model, voltage, and certification for hazardous area compliance.
Inspect the motor for visible damage or foreign objects.
Ensure availability of appropriate mounting and electrical connections.
Place the motor on a stable, level foundation to reduce vibration.
Use bolts and brackets according to the manufacturer’s instructions.
Ensure the motor alignment matches the connected machinery.
Connect the motor to the correct three-phase voltage supply.
Install suitable protective devices such as circuit breakers, fuses, and overload relays.
Ensure proper earthing/grounding for safety.
Start the motor at no-load conditions to verify correct rotation.
Monitor voltage, current, and temperature readings.
Gradually increase load to operational levels while observing motor performance.
Daily: Check for unusual noise, vibration, or overheating.
Weekly: Inspect mounting bolts, electrical connections, and lubrication levels.
Monthly: Clean external surfaces to remove dust and debris.
Quarterly: Inspect bearings, seals, and coupling alignment.
Annually: Conduct a full inspection, replace worn components, and test insulation resistance.
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | Power supply issue or wiring fault | Check supply, inspect wiring, reset protective devices |
| Overheating | Overload or ventilation blocked | Reduce load, improve airflow, clean cooling system |
| Excessive vibration or noise | Misalignment or worn bearings | Realign motor, replace bearings if needed |
| Reduced efficiency | Worn components or poor lubrication | Inspect, repair or lubricate motor components |
| Frequent tripping of protection | Short circuit or overload | Check wiring, inspect load, reset protection |
Always follow hazardous area regulations for explosion-proof equipment.
Use personal protective equipment (PPE) when handling the motor and connected machinery.
Ensure all electrical connections are properly insulated and grounded.
Disconnect power supply before maintenance or inspection.
Do not exceed recommended voltage, current, or load limits.
Maintain proper ventilation to avoid overheating.
The Three-Phase Explosion-Proof Motor Series is widely used in:
Chemical Industry – Driving pumps, mixers, and agitators in flammable chemical environments.
Oil and Gas Industry – Powering compressors, conveyors, and drilling equipment.
Mining Industry – Driving crushers, conveyors, and ventilation systems.
Manufacturing Industry – Operating heavy machinery in hazardous atmospheres.
Water Treatment Facilities – Running pumps and aerators in explosive or flammable gas areas.
Explosion-Proof Safety: Certified for flammable and hazardous environments.
Energy-Efficient: High-efficiency IE3/IE4 motors reduce operational costs.
Durable Construction: Cast iron or aluminum housing resists corrosion and mechanical damage.
Low Maintenance: Long-life bearings and seals minimize downtime.
Versatile Applications: Suitable for chemical, mining, oil, and industrial machinery.
Global Compliance: IECEx, ATEX, CE, and ISO9001 certified.
Motors are packed with protective foam and wooden crates for shipping.
Anti-moisture wrapping protects against corrosion during transport.
Clear labeling includes model number, serial number, and hazardous area classification.
Available via air, sea, or courier services.
Bulk shipments can be palletized for distributors.
Packaging meets international shipping standards for hazardous equipment.
The Three-Phase Explosion-Proof Motor Series provides safe, durable, and energy-efficient power for industrial applications in hazardous environments. With robust construction, explosion-proof certification, high efficiency, and low maintenance, these motors ensure reliable and long-term operation in chemical plants, oil and gas facilities, mining operations, and other demanding industries.
Engineered for environmental compliance, energy efficiency, and operational safety, the series is a trusted solution for critical industrial processes where performance and safety cannot be compromised.


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whatsapp:+86 15868545868/+8618968868555
Email:haiwan@haiwanpump.cn
Add:Meiao Street, Qiaoxia Town, Yongjia County Wenzhou City, Zhejiang, China
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