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SHRUTI ENGINEERING
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Three Phase DC Brake Motor

Three Phase DC Brake Motor Specification

Horse Power
0.5 HP - 30 HP

Power Rating
Varies by rating plate

Cooling Method
Fan Cooled

Features
Fitted with DC brake, thermal protection, continuous duty

Rated Voltage
415 V

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

Noise Level
Low

Motor Type
DC Brake Induction Motor

Efficacy
IE2 or IE3

Torque
High starting torque

Ambient Temperature
Up to 45C

Current Type
AC

Standard
IS 325/IEC 60034

Sealed Type
Sealed

Voltage
415 V

Rated Frequency
50 Hz

Bearing Type
Heavy duty, deep groove ball bearing

Product Type
Three Phase DC Brake Motor

Output Power
0.37 kW - 22 kW (typical range)

Frequency (MHz)
50 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC)

Phase
Three Phase

Speed
1440 RPM / 2880 RPM

Power
0.5 HP - 30 HP (varies by model)

Color
Blue

Dimension (L*W*H)
Depends on model, typically compact

Weight
25-200 kg (varies by specifications)

Shaft Diameter
Varies by power rating

Mounting Type
Foot Mounted (B3)

Enclosure
Totally Enclosed Fan Cooled (TEFC)

Duty Cycle
S1 (Continuous)

Insulation Class
Class F

Service Factor
1.0 - 1.15

Brake Voltage
Typically 190 V DC for 415V AC supply

Connection Type
Star/Delta

Thermal Protection
Optional PTC or Bimetallic

Rotor Type
Squirrel Cage

Frame Size
71 to 160 (as per IEC)

About Three Phase DC Brake Motor

We, Shruti Engineering, are an appreciated manufacturer, exporter and supplier of high quality Disc Brakes and Industrial Hoists. Offered range of products includes Foot Mounted Brake Motor, Disc Brake and Liner Brake.

Advanced Braking System for Enhanced Safety

Equipped with a fail-safe electromagnetic DC brake, this motor provides immediate stopping power upon power loss, maintaining high safety standards in applications such as hoists, elevators, and cranes. The system operates with a typical brake voltage of 190 V DC and is tailored for 415V AC supply installations. This reliable braking mechanism ensures operational control, especially when handling heavy loads or frequent stops are required.

Robust Construction for Industrial Applications

Built with an IP55-rated, Totally Enclosed Fan Cooled (TEFC) enclosure, this motor resists dust, moisture, and contaminants, ensuring longevity in rigorous environments. Its Class F insulation, heavy-duty deep groove ball bearings, and continuous duty cycle (S1) enable consistent performance under prolonged operation. The robust squirrel cage rotor and sealed design minimize maintenance, making it ideal for continuous-use machinery.

Versatile Power and Mounting Options

This series provides a wide power range (0.37 kW - 22 kW or 0.5 HP - 30 HP) with speeds of 1440 or 2880 RPM. It supports both star and delta connections and can be started via direct-on-line (DOL) or star-delta methods. Foot mounting (B3) is standard, and the compact frame (IEC 71 - 160) ensures compatibility with diverse installation requirements. Optional PTC or bimetallic thermal protection enhances operational safety.

FAQ's of Three Phase DC Brake Motor:

Q: How does the DC brake system improve operational safety in this motor?

A: The fail-safe electromagnetic DC brake ensures immediate stopping of the motor when power is lost, preventing unintended movement of attached equipment such as cranes, hoists, or elevators. This enhances operator safety and reduces the risk of mechanical damage during emergency stops.

Q: What types of applications are best suited for this three phase DC brake motor?

A: This motor is ideal for applications requiring frequent stops and high starting torque, such as cranes, hoists, elevators, machine tools, and textile machinery. Its robust construction and versatile mounting options make it suitable for various industrial and manufacturing settings.

Q: When should optional thermal protection (PTC or bimetallic) be considered for these motors?

A: Optional thermal protection is recommended when the motor is expected to operate in environments with fluctuating ambient temperatures (up to 45C) or where overloading is a concern. It helps prevent motor overheating by monitoring and reacting to excessive temperatures for enhanced reliability and longevity.

Q: Where can this DC brake motor be installed, considering its enclosure and IP rating?

A: With its Totally Enclosed Fan Cooled (TEFC) design and IP55 rating, the motor can be installed in indoor or dusty, humid, and mildly wet industrial environments, safeguarding against ingression of water and dust. For outdoor or harsher conditions, further protection may be advisable depending on local circumstances.

Q: What are the benefits of using high efficiency (IE2 or IE3) motors in industrial settings?

A: High efficiency motors, rated IE2 or IE3, help reduce energy consumption, lower operating costs, and contribute to less heat generation. This leads to improved lifecycle performance, decreased environmental impact, and potential compliance with regulatory standards for industrial energy use.

Q: How does the star/delta connection and starting type benefit motor operation?

A: The star/delta connection allows for flexibility in starting methods. Direct-on-line (DOL) starting is suitable for lower power ratings, providing simplicity, while the star-delta method limits starting inrush current for higher power models, protecting electrical components and extending equipment life.

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