Three Phase Motor for Hoist

Three Phase Motor for Hoist Specification

Motor Type
Induction Motor, Squirrel Cage

Ambient Temperature
-15C to 50C

Efficacy
High Efficiency

Bearing Type
Deep Groove Ball Bearing

Rated Voltage
415 V

Cooling Method
Fan Cooled

Features
Robust construction, High overload capacity, Low maintenance, Precision-balanced rotor

Pressure
Standard atmospheric, for indoor/outdoor use

Power Rating
0.75 kW to 7.5 kW

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

Torque
High Starting Torque, up to 2.5 times rated torque

Rated Frequency
50 Hz

Noise Level
<70 dB

Sealed Type
TEFC - Totally Enclosed Fan Cooled

Current Type
AC

Voltage
415 V

Standard
IS: 325, IEC: 60034

Poles Number
2/4 Poles (Model dependent)

Horse Power
1 HP - 10 HP

Product Type
Three Phase Motor for Hoist

Output Power
Depends on model (commonly 1 HP - 10 HP for hoist motors)

Frequency (MHz)
50/60 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC), Overload Protection

Phase
Three Phase

Speed
1440 - 2880 RPM (depending on poles)

Power
0.75 kW - 7.5 kW (as per model)

Color
Blue

Dimension (L*W*H)
Varies by model, Approx. 350mm x 220mm x 250mm

Weight
18 kg - 65 kg (model dependent)

Shaft Diameter
24 mm to 38 mm (as per model)

Mounting Type
Foot Mounted (B3), Flange Mounted (B5)

IP Rating
IP55

Vibration Level
Low (within ISO standard limits)

Winding Type
Copper Winding

Insulation Class
Class F

Drive End Shield Material
Cast Iron

Service Factor
1.15

Base Frame
Heavy Duty

Thermal Protection
Available on request

Duty Cycle
S3 - Intermittent periodic duty, Suitable for hoisting applications

Three Phase Motor for Hoist About

Heavy Duty Three Phase Motor Description

A Heavy Duty Three Phase Motor is a powerful and reliable industrial motor engineered for demanding applications that require continuous operation, high starting torque, and long service life. These motors are built to handle harsh environments, making them ideal for heavy machinery, material handling, and automation systems.

Key Features:

High Torque Output: Strong starting and running torque to manage heavy-duty loads.
Rugged Construction: Manufactured with high-grade laminations, copper windings, and robust enclosures to ensure durability.
Energy Efficient: Optimized design for low power consumption with maximum output.
Thermal & Overload Protection: Safeguards the motor against overheating and overload conditions.
Versatile Mounting: Available in foot-mounted, flange-mounted, or customized options for various industrial uses.
Continuous Duty Design: Ideal for 24/7 operations with minimal downtime and maintenance.

Engineered for Hoisting Performance

Specifically tailored for hoisting applications, this three-phase motor is equipped with high starting torque and intermittent duty (S3) capability. The rugged construction ensures smooth and reliable lifting, making it suitable for both industrial and construction settings requiring precision and consistent operation.

Exceptional Durability and Protection

With a totally enclosed fan-cooled (TEFC) housing and an IP55 protection rating, the motor is built to withstand harsh indoor or outdoor environments. The cast iron drive end shield and copper winding further enhance longevity and thermal capacity, while optional thermal protection safeguards against overheating.

Versatile and Efficient Design

The motor supports direct-on-line and star-delta starting methods, with mounting options including both foot (B3) and flange (B5) types. Operating efficiently at 50/60 Hz and a rated voltage of 415 V, it provides quiet operation (<70 dB) and meets international standards (IS: 325, IEC: 60034), ensuring adaptability for diverse hoisting scenarios.

FAQ's of Three Phase Motor for Hoist:

Q: How is this three-phase motor suitable for hoisting applications?

A: This motor is designed with high starting torque, robust construction, and S3 intermittent duty, making it ideal for hoisting applications where rapid, powerful lifts are essential and motors operate in cycles rather than continuous use.

Q: What are the benefits of the Class F insulation and TEFC enclosure?

A: Class F insulation provides superior thermal endurance, allowing the motor to handle higher operating temperatures, while the Totally Enclosed Fan Cooled (TEFC) enclosure protects internal components from dust, moisture, and contaminants, prolonging motor life and reliability.

Q: When should thermal protection be considered for this motor?

A: Thermal protection should be requested when installed in environments prone to frequent overloads or higher ambient temperatures. It enhances safety by automatically disconnecting the motor in case of excessive heating, preventing potential damage.

Q: Where can this motor be installed, and is it suitable for outdoor use?

A: The IP55 rating, TEFC design, and corrosion-resistant construction allow safe installation both indoors and outdoors, provided that extreme environmental conditions beyond standard atmospheric pressure and temperature limits are avoided.

Q: How does the S3 duty cycle affect motor usage?

A: S3 duty cycle means the motor operates in short, repeated periods of work followed by rests, without reaching thermal equilibrium during each cycle. This is advantageous in hoisting systems, where loads are lifted intermittently rather than continuously.

Q: What process should be followed for selecting the right model?

A: Begin by assessing the required output power (1 HP to 10 HP), speed (1440-2880 RPM), mounting type, and shaft diameter suitable for the hoist mechanism. Consulting application requirements and operating conditions will ensure optimal performance and safe integration.

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