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Three Phase TEFC Motor

Three Phase TEFC Motor Specification

Power Rating
As per requirement

Rated Voltage
415 V

Noise Level
Low (abides by IEC standards)

Pressure
Atmospheric

Current Type
AC

Motor Type
Induction Motor (Squirrel Cage)

Bearing Type
Deep groove ball bearing

Ambient Temperature
-15C to +50C

Features
Robust design, Maintenance-free, Low vibration, Energy efficient

Standard
IEC, IS, NEMA (as per requirement)

Cooling Method
IC411 (Fan Cooled)

Rated Frequency
50 Hz

Sealed Type
TEFC (Totally Enclosed Fan Cooled)

Starting Type
Direct-On-Line (DOL) or Star-Delta

Efficacy
High efficiency (IE2/IE3/IE4 as per requirement)

Torque
High starting torque

Poles Number
2, 4, 6, 8 Poles

Horse Power
0.5 HP to 335 HP

Voltage
415 V (Standard)

Product Type
Three Phase TEFC Motor

Output Power
Varies (typically from 0.37 kW to 250 kW)

Frequency (MHz)
50/60 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC)

Phase
Three Phase

Speed
750, 1000, 1500, 3000 RPM (as per pole selection)

Power
0.5 HP to 335 HP

Color
Blue (Standard)

Dimension (L*W*H)
Depends on frame size (customizable)

Weight
Varies with rating and frame size

Shaft Diameter
As per frame size

Mounting Type
Foot/B3, Flange/B5, Face/B14

IP Rating
IP55 (Standard)

Service Factor
1.0 to 1.15

Rotor Type
Squirrel cage (Aluminum/Copper optional)

Vibration Level
Complies with IEC 60034-14

Thermal Protection
Available on request

Applications
Pumps, Blowers, Compressors, Conveyors, Industrial Machinery

Voltage Tolerance
10%

Paint Type
Epoxy or Polyurethane

Altitude
Up to 1000m without derating

Ambient Humidity
90% RH

Frame Material
Cast Iron or Aluminum

Connection Type
Star/Delta (5.5kW, Star; above Delta)

Frequency Tolerance
5%

Insulation Class
Class F/H

About Three Phase TEFC Motor

With use of quality-management system we achieve excellence in all business operations. We are not only focusing on order-fulfillment process but also promoting continuous improvement of our quality of our products. We develop a culture of selfconfidance, best skill & recources to maintain its competitive advantage. We not only provide customer-satisfactions through technology but also deliver real business benefits. Hence we exploit technologies to maximize convenience of customers.

Rugged, Versatile Construction

Choose between a cast iron frame for maximum robustness or an aluminum frame for lighter weight installations. The Totally Enclosed Fan Cooled (TEFC) design and IP55 protection guarantee extended service life even in harsh environments. Each unit is epoxy or polyurethane painted for superior corrosion resistance and longevity.

High Performance & Efficiency

With IE2, IE3, or IE4 efficiency as required, this motor delivers high starting torque and maintains low vibration levels, following IEC 60034-14 standards. The motor is compatible with both 50/60 Hz frequencies, and speeds can be selected based on pole configuration (750 to 3000 RPM).

Flexible Installation and Application

Installation options include foot (B3), flange (B5), or face (B14) mounting to accommodate diverse industrial machinery layouts. Suitable for operation at up to 1000m altitude without derating and performing reliably in ambient humidity up to 90% RH, these motors excel in demanding environments. Thermal protection is available on request for added safety.

FAQ's of Three Phase TEFC Motor:

Q: How does the Three Phase TEFC Motor ensure reliable operation in humid and high-temperature environments?

A: This motor is engineered to function efficiently in ambient humidity up to 90% RH and temperatures ranging from -15C to +50C. The IP55 rating and TEFC (Totally Enclosed Fan Cooled) design, along with robust frame paint options (epoxy or polyurethane), provide excellent protection against moisture, dust, and heat.

Q: What makes this motor suitable for various industrial applications such as pumps, conveyors, or blowers?

A: Its high starting torque, wide range of output powers (from 0.37 to 250 kW), multiple speed options through pole selection, and compatibility with standard mounting types (foot, flange, face) enable this motor to be easily adapted to different machinery including pumps, conveyors, compressors, and blowers.

Q: When should I select star-delta connection versus direct-on-line starting for this motor?

A: For motors up to 5.5 kW, direct-on-line (DOL) starting is used. For higher ratings, star-delta starting is recommended to limit inrush current and mechanical stress, protecting both the motor and connected equipment during startup.

Q: Where can the Three Phase TEFC Motor be installed without risk of performance loss due to altitude?

A: The motor is designed for use at altitudes up to 1000 meters above sea level without any requirement for derating, ensuring consistent performance in varied geographic locations.

Q: What is the process for requesting thermal protection with this motor?

A: Thermal protection is available on request. When placing your order, specify the need for thermal protection to ensure provision of thermal sensors or protection devices tailored for your application's safety requirements.

Q: How does the motor comply with vibration and noise standards?

A: It is built to conform with IEC 60034-14, guaranteeing low vibration. Its noise output also adheres to international standards, ensuring quiet operation and a safer working environment for personnel.

Q: What are the main benefits of choosing a Three Phase TEFC Squirrel Cage Induction Motor?

A: The motor offers high efficiency (IE2/IE3/IE4), reliable starting torque, maintenance-free operation, robust protection features, flexible mounting, and extended durability-making it an excellent investment for diverse industrial needs.

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