Explosion-proof Motor 3.7kW 5Hp

Explosion-proof Motor 3.7kW 5Hp is an industrial device categorized as an electric motor specifically designed to meet operating requirements in environments with a high risk of explosion. With stable operation, premium manufacturing materials, and superior safety features, this explosion-proof motor is widely used in mining, manufacturing, chemical, and metallurgical industries.

External Design of the Explosion-proof Motor 3.7kW 5Hp

An explosion-proof motor is actually a 3-phase electric motor featuring a solid cast iron housing and an extra-thick terminal box, offering excellent impact resistance and heat tolerance. It provides perfect protection for internal components when working in environments with high temperatures, heavy dust, or flammable gases. The monoblock external housing structure is tightly connected using specialized screw systems, ensuring no sparks are generated during operation.

The internal wiring is designed with a large cross-sectional area, helping to increase electrical conductivity, reduce heat generation, and maintain stability under demanding working conditions. The heat dissipation system with large aluminum fins allows for quick cooling, protecting the motor from overheating during continuous operation.

Internal Structure of the Explosion-proof Motor 3.7kW 5Hp

The Explosion-proof Motor 3.7kW 5Hp is optimally designed and consists of the following components:

• Stator: The stator is composed of laminated technical steel cores with insulated copper windings placed in slots, helping to generate a stable magnetic field. The sturdy frame ensures optimal transmission efficiency and long-term operation under heavy industrial conditions.
• Rotor: The rotor includes a steel core, a shaft, and tightly assembled non-insulated steel laminations. The shaft is made of high-hardness alloy steel, helping to provide powerful transmission, wear resistance, and minimal deformation during operation.
• Cooling fan: The cooling fan is mounted at the rear of the motor, combined with heat dissipation fins to continuously circulate air, ensuring the temperature remains stable even during prolonged operation.

Classification of the Explosion-proof Motor 3.7kW 5Hp

According to rotational speed, the Explosion-proof Motor 3.7kW 5Hp is classified into the following 2 types:

Explosion-proof Motor 3.7kW 5Hp 2-Pole (2,800 – 3,000 rpm)

It meets international explosion safety standards, and its thick cast housing provides high impact resistance, helping the equipment operate powerfully and durably while completely preventing the risk of electrical sparks escaping into the external environment.

Technical Specifications

Code	112M
Shaft diameter	28mm
Keyway	8mm
Flange diameter	250mm
Weight	35Kg
Dimensions	460 x 245 x 420 mm
Mounting type	Foot-mounted (B3), Flange-mounted (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Practical Applications:

• Oil & Gas & Chemical Industry: Installed for fuel pumping stations, chemical solvent storage warehouses, and ventilation exhaust systems in oil refineries and drilling rigs.
• Mineral Mining: Operating ventilation systems and mine drainage pumps, where flammable gases and dust are frequently present.
• Manufacturing & Processing: Applied in painting lines, woodworking shops, or pharmaceutical factories – places emitting flammable dust or vapors.

Explosion-proof Motor 3.7kW 5Hp 4-Pole (1,400 – 1,500 rpm)

Designed specifically for environments with a high risk of explosion. With a sealed structure and high safety level, the motor is suitable for durable operation in the oil and gas, chemical, mining industries, and areas with easily flammable gases or dust.

Technical Specifications

Code	100L2
Shaft diameter	28mm
Keyway	8
Flange diameter	250mm
Weight	41kg
Dimensions	460 x 245 x 420 mm
Mounting type	Foot-mounted (B3), Flange-mounted (B35, B5, B14)
Protection class	IP55
Insulation class	Class F

Applications:

• Oil and chemical industry: Used for chemical pump systems, fuel pumps at gas stations, petroleum warehouses, offshore drilling rigs, and oil refineries.
• Mining: Provides safe traction for ventilation systems, mine exhaust fans, and ore transport conveyor belts where there is a high concentration of explosive methane gas or coal dust.
• Paint and solvent factories: Operates solvent vapor exhaust fans, paint pumps, and paint mixers in flammable electrostatic and chemical environments.

Thanh Thai Motor specializes in providing genuine explosion-proof motor 3.7kW 5Hp with full documentation and supporting consultation to choose the right power for your usage needs. Contact 0909.539.175 for the latest quotation and quick technical advice.

Suggested Gearboxes to Combine with Explosion-proof Motor 3.7kW 5Hp?

To enhance transmission efficiency, the explosion-proof motor 3.7kW 5Hp can be combined with the following gearboxes:

• Worm gearbox: WPS, WPA, WPO, WPX, WPDS, WPDA, WPDO, WPDX size 120, NMRV 90 and 110 gearboxes.
• Heavy-duty gearbox: Cycloidal Gearbox

Additionally, it can be combined with:

• Pump head 4.0kW 5.5Hp

Guide on Wiring for Explosion-proof Motor

Step 1: Motor Preparation

Identify the correct type of motor to be wired. In the video, a JUMAR brand 3-phase explosion-proof motor is used, with a power of 0.37 kW, a rotational speed of 1390 rpm, and a shaft diameter of 14 mm.

Step 2: Remove the Terminal Box Cover

Use an Allen wrench or a suitable tool to loosen the fixing screws, then lift off the terminal box cover (marked with Ex) to expose the internal connection terminals.

Step 3: Wire Connection

Proceed to connect the 3 power supply wires respectively to the 3 terminals marked U, V, and W inside the terminal box of the motor.

Step 4: Power Supply and Operation

After securely connecting the wire ends and ensuring safety, supply power to the explosion-proof motor to test its operation.

Through the electric motor video, viewers can follow in detail the structure, operating principle, and practical wiring method of the explosion-proof motor 3.7kW 5Hp in an industrial environment. In addition, the compilation video also introduces many other specialized motor lines, helping customers easily compare technical specifications, select suitable equipment, and optimize operating efficiency for each specific application.

Warranty, shipping and commitment policy at Thanh Thai Motor

Warranty up to 24 months

All electric motor products distributed by Thanh Thai Motor are covered by a genuine warranty for up to 24 months. Customers who purchase electric motors can completely rest assured with a transparent, fast, and professional after-sales policy.

Nationwide Shipping

Thanh Thai Motor supports nationwide shipping for all electric motors sold, ensuring safe and on-time delivery to every province across the country. Whether you are in the North, Central, or South, we are ready to serve you.

European Standard Quality – German Technology

Thanh Thai Motor sells electric motors manufactured with German technology, meeting European quality standards, ensuring durability, high efficiency, and stable operation for a long period – suitable for the strict requirements of industrial electric motors.

Competitive Prices – Attractive Offers for Dealers and Wholesale Customers

We commit to reasonable motor prices, offering the best electric motor products with high discount policies for bulk purchasers and distribution units. The more you buy – the better the profit.

Quality Commitment – Powerful Operation, Power Saving

Thanh Thai Motor sells electric motors wound with 100% copper wire, helping the machine run powerfully, consume less electricity, operate smoothly, and effectively reduce vibration – extending equipment lifespan. When purchasing an electric motor, prioritizing products with 100% copper core will be a wise decision, bringing long-term value.

At Thanh Thai Motor, we provide a full range of products, with various phases and capacities, such as:

• 220V electric motors (or 220V 1-Phase electric motors) are 1-Phase electric motors commonly chosen for many household appliances and light industrial equipment, offering convenience and efficiency.
• 380V electric motors are 3-Phase electric motors using three-phase power, commonly used in heavy industrial applications.

Full CO, CQ Certification Documents

Thanh Thai Motor provides the best quality electric motors. Each imported electric motor product from Thanh Thai Motor comes with a Certificate of Origin (CO) and a Certificate of Quality (CQ), meeting the requirements for large projects, constructions, and strict technical documentation.

Contact for Purchase

Do you need to buy an electric motor or seek advice on choosing an affordable electric motor that suits your needs? Contact Thanh Thai Motor immediately using the methods below:

• WhatsApp: +84966596219
• Email: codienthanhthai@gmail.com