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7.5 HP Three Phase Motor

7.5 HP Three Phase Motor Specification

Horse Power
7.5 HP

Ambient Temperature
-15C to +40C

Current Type
AC

Voltage
415 V

Poles Number
4 Poles

Starting Type
Direct-On-Line

Sealed Type
IP55

Features
Robust Construction, Low Maintenance

Noise Level
Less than 75 dB

Standard
IS 325, IEC 60034

Efficacy
High Efficiency

Bearing Type
Deep Groove Ball Bearing

Cooling Method
IC411

Power Rating
5.5 kW

Pressure
Standard Atmospheric

Torque
49 Nm (approx.)

Rated Frequency
50 Hz

Motor Type
Induction Motor

Rated Voltage
415 V

Product Type
Electric Motor

Output Power
7.5 HP (Horse Power)

Frequency (MHz)
50 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC)

Phase
Three Phase

Speed
1440 RPM

Power
5.5 kW

Color
Blue

Dimension (L*W*H)
Approx. 420mm x 255mm x 280mm

Weight
53 kg (approx.)

Shaft Diameter
38 mm

Mounting Type
Foot Mounted (B3)

IP Rating
IP55

Enclosure
TEFC

Altitude
Up to 1000 m above sea level

Frame Size
132M

Insulation Class
F

Designed for
Industrial and Agricultural Applications

Duty Type
S1 Continuous

About 7.5 HP Three Phase Motor

Three Phase Motor 380V / 415V Description

A Three Phase Motor 380V / 415V is a high-performance industrial motor designed for reliable and efficient operation in commercial and heavy-duty industrial applications. Engineered to handle continuous operation under demanding conditions, this motor delivers consistent performance, high torque, and energy-efficient operation.

Key Features:

Wide Voltage Compatibility: Operates efficiently at standard industrial voltages of 380V and 415V AC.
High Torque Performance: Provides strong starting and running torque for heavy-duty machinery.
Durable Construction: Built with premium laminations, copper windings, and a robust frame for long-lasting performance.
Thermal & Overload Protection: Ensures motor safety under overload and high-temperature conditions.
Versatile Mounting Options: Available in foot-mounted, flange-mounted, or custom configurations.
Low Maintenance: Designed for continuous operation with minimal maintenance requirements.

Efficient and Durable Motor Design

Built to withstand demanding applications, this motor features a Totally Enclosed Fan Cooled (TEFC) enclosure, robust construction, and a high IP55 rating. The deep groove ball bearing and Class F insulation ensure extended operational life and reliability even in challenging conditions, making it ideal for industrial and agricultural use.

Optimized for Continuous Duty and Performance

With an S1 continuous duty rating and high efficiency, this motor operates reliably without overheating or performance drops. Its 4-pole, 1440 RPM design strikes the perfect balance between power and stability, suiting applications that require sustained, dependable output over long periods.

Safety and Versatility in Application

Designed for use at altitudes up to 1000 meters and within temperature ranges of -15C to +40C, the IP55-sealed, foot-mounted motor can be easily installed in a variety of settings. Its low noise (less than 75 dB) operation and adherence to IS 325 and IEC 60034 standards guarantee both safety and versatility.

FAQ's of 7.5 HP Three Phase Motor:

Q: How does the insulation class F benefit this three-phase motor?

A: Insulation class F provides enhanced thermal endurance, allowing the motor to operate safely at higher temperatures. This ensures longevity and reliability during continuous S1 duty cycles, particularly in demanding industrial environments.

Q: What process should be followed for installing the foot-mounted (B3) motor?

A: To install the foot-mounted (B3) motor, ensure a solid, level surface. Align the shaft properly with the driven equipment, then secure the motor using suitable mounting bolts. Proper alignment and anchoring reduce vibration and enhance operational efficiency.

Q: When is direct-on-line (DOL) starting suitable for this 7.5 HP motor?

A: Direct-on-line starting is appropriate for this motor when connected to stable power sources with sufficient capacity, as it provides a straightforward method of starting without the need for complex starters, minimizing installation complexity and costs.

Q: Where can this TEFC enclosure motor be effectively used?

A: This Totally Enclosed Fan Cooled (TEFC) enclosure motor is ideal for industrial workshops, processing plants, agricultural facilities, and locations exposed to dust, moisture, or moderate water jets. Its IP55 protection ensures reliable operation in these environments.

Q: What is the main benefit of the IP55 protection rating for this motor?

A: An IP55 rating means the motor is protected against dust ingress and water jets from any direction. This robust protection extends the operational life and reliability of the motor, especially in harsh or outdoor conditions.

Q: How does the high efficiency of this induction motor impact operational costs?

A: The motor's high efficiency reduces power consumption, leading to significant savings in energy costs over time. Efficient operation also means less heat generation and wear, decreasing maintenance demands and downtime.

Q: What routine maintenance is recommended for this three-phase induction motor?

A: Regularly check the bearings, ensure the enclosure is free from dust or debris, verify secure mounting, and inspect electrical connections for any signs of wear or loosening. Follow manufacturer guidelines for lubrication and general upkeep to maintain optimal performance.

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