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SHRUTI ENGINEERING
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TEFC SINGLE PHASE DC Brake Motor

TEFC SINGLE PHASE DC Brake Motor Specification

Starting Type
DOL

Power Rating
0.75 kW

Horse Power
1 HP

Ambient Temperature
Up to 40C (usual for such motors)

Efficacy
High

Current Type
AC (Motor input), DC (Brake operation)

Standard
IS/IEC 60034 (general industrial standard)

Motor Type
Single Phase AC DC Brake Motor

Voltage
220 V

Bearing Type
Deep Groove Ball Bearing (typical construction)

Poles Number
4 Poles (inferred from speed 1440 RPM @ 50 Hz)

Features
Electric DC Brake, High Reliability, Maintenance Free

Noise Level
Low (as per TEFC design)

Rated Voltage
220 V

Rated Frequency
50 Hz

Cooling Method
Fan Cooled

Torque
Rated torque as per 1 HP, value not specified

Sealed Type
Totally Enclosed Fan Cooled (TEFC)

Product Type
TEFC SINGLE PHASE DC Brake Motor

Output Power
1.0 HP / 0.75 KW

Protect Feature
IP54 (assumed as standard for TEFC motors, actual plate not shown)

Phase
Single Phase

Speed
1440 RPM

Power
0.75 kW

Color
Blue

Dimension (L*W*H)
Standard as per frame size (not specified on nameplate)

Shaft Diameter
Standard for 1 HP motor (value not specified)

Mounting Type
Flange/Foot Mounting as per application

IP Rating
IP54

Frame Material
Cast Iron

Label/Brand
Shruti Engineering

Duty Cycle
S1 (Continuous)

Insulation Class
Class F

Serial/Reference Number
SEFBA-251/001 (example from plate)

Brake Type
Electromagnetic DC Brake

Manufacturing Date
May 2024

Protection Class
Class F Insulation, IP54 Enclosure

Application
Industrial Machines, Lifts, Conveyors, etc.

About TEFC SINGLE PHASE DC Brake Motor

Single Phase DC Brake Motor for Crane Duty Description

A Single Phase DC Brake Motor for Crane Duty is a specially engineered motor designed for lifting and material handling operations where three-phase supply is not available. It combines the efficiency of a single-phase motor with the safety of a DC electromagnetic brake, ensuring reliable load control, smooth stopping, and safe holding during crane operations. Built for durability and heavy-duty performance, it is widely used in light and medium-capacity cranes and hoists.

Key Features:

Integrated DC Brake: Provides quick response and fail-safe braking, holding the load securely when power is switched off.
High Starting Torque: Ensures smooth operation under heavy lifting loads and frequent starts/stops.
Single Phase Supply: Operates efficiently on standard single-phase AC power, ideal for small industries and workshops.
Rugged Construction: Made with high-grade copper windings, strong insulation, and heavy-duty brake components.
IP Protection: Available with IP44 / IP54 / IP55 enclosures for dust and moisture resistance.

Electromagnetic DC Brake for Safe Operation

Fitted with an advanced electromagnetic DC brake, this motor reliably stops and holds loads even during power interruptions, enhancing operational safety in critical applications such as industrial lifts and conveyors.

Built for Endurance and Efficiency

With Class F insulation and an IP54 enclosure, the motor endures tough conditions up to 40C while offering high efficacy and low operational noise. The cast iron frame provides structural stability, ensuring a long lifespan and minimal maintenance.

Versatile Mounting and Standards Compliance

Designed for both flange and foot mounting, this motor seamlessly integrates into various machines and systems. It meets key IS/IEC 60034 industrial standards, guaranteeing compatibility and quality for manufacturers, exporters, and suppliers.

FAQ's of TEFC SINGLE PHASE DC Brake Motor:

Q: How does the electromagnetic DC brake function in this motor?

A: The electromagnetic DC brake is activated by DC current when the power supply is cut off to the motor. It instantly applies friction to the rotor, stopping it quickly and securely, which is critical for safety in lifts and conveyors.

Q: What are the main benefits of a TEFC design with IP54 enclosure?

A: A Totally Enclosed Fan Cooled (TEFC) design with IP54 protection shields the motor from dust and splashes, ensuring low maintenance, low noise, and reliable performance even in challenging industrial settings.

Q: When is this motor suitable for use?

A: This motor is ideal for continuous duty (S1 cycle) applications such as in industrial machines, lifts, and conveyors, particularly when immediate braking and long operational life are required.

Q: Where can this motor be installed?

A: Thanks to its flange/foot mounting options and compact TEFC build, the motor can be installed in a broad range of industrial environments-indoors or sheltered outdoor settings where exposure to dust and moisture is moderate.

Q: What is the process of starting this motor?

A: The motor starts using the DOL (Direct-On-Line) method, which simplifies installation and operation. Just connect the supply to begin operation, as control gear or starter is not complex for this single-phase model.

Q: How does Class F insulation benefit the user?

A: Class F insulation safeguards the motor winding up to 155C, allowing for higher ambient operating temperatures (up to 40C) and extending motor life under sustained loads.

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