Three Phase AC Brake Motor

Three Phase AC Brake Motor Specification

Motor Type
Three Phase Induction AC Brake Motor

Pressure
Standard Atmospheric Pressure

Horse Power
Up to 20 HP

Starting Type
DOL (Direct-On-Line)

Voltage
415 V AC

Ambient Temperature
-15C to 50C

Efficacy
High (Meets IS/IEC standards)

Noise Level
Low (<70 dB)

Features
Electromagnetic brake, reliable, instantly holds load on power loss, robust construction

Rated Voltage
415 V

Poles Number
2, 4, 6 Poles (as per configuration)

Standard
IS 325, IEC 60034

Power Rating
0.37 - 15 kW

Current Type
AC

Torque
High starting torque with brake application

Rated Frequency
50 Hz

Sealed Type
IP55 Sealed

Cooling Method
Fan Cooled

Bearing Type
Deep Groove Ball Bearing

Product Type
Three Phase AC Brake Motor

Output Power
0.5 HP to 20 HP (Varies with model)

Frequency (MHz)
50 Hz (0.05 MHz)

Protect Feature
Totally Enclosed Fan Cooled (TEFC) housing

Phase
Three Phase

Speed
1440 RPM / 2880 RPM (as per model)

Power
0.37 kW to 15 kW (as per requirement)

Color
Blue

Dimension (L*W*H)
Standard frame sizes (varies as per power rating)

Weight
Ranges from 10 kg to 120 kg (depending on size)

Shaft Diameter
Varies as per power and frame size

Mounting Type
Foot/Flange Mounted

IP Rating
IP55

Overload Protection
Thermal Overload Relay (optional)

Frame Material
Cast Iron Body

Temperature Rise
Within permissible limits as per standards

Brake Voltage
230/415 V AC

Duty Cycle
S1 Continuous Duty

Vibration Level
Conforms to IS 12075

Insulation Class
Class F insulation

Application
Hoists, Cranes, Lifts, Material Handling Equipment

Brake Release Type
Manual lever available (optional)

Rotor Type
Squirrel Cage

Brake Type
AC Electromagnetic Failsafe Brake

Life Expectancy
Long Life (Designed for robust industrial use)

Lubrication
Grease lubricated bearings

Rated Slip
<5% at full load

Three Phase AC Brake Motor About

The Crane Brake Motor is a heavy-duty industrial motor integrated with a fail-safe electromagnetic or DC brake, designed specifically for EOT cranes, hoists, winches, and material handling equipment. Engineered for frequent startstop cycles, high starting torque, and continuous-duty operation, this motor ensures smooth lifting, precise stopping, and safe load holding during crane movements.

Reliable Industrial Braking for Safety-Critical Operations

This AC Brake Motor is designed for applications where instantaneous load holding upon power failure is crucial. Its electromagnetic failsafe brake assures dependable stopping power during emergencies, while the thermal overload relay option further enhances protection. With high starting torque and low vibration, it suits demanding environments like cranes and hoists.

Robust Construction for Extended Service Life

Encased in a rugged cast iron body with IP55 sealing, the motor resists dust and water ingress for long-lasting service in challenging settings. Grease-lubricated deep groove ball bearings ensure smooth operation, and the motor's Class F insulation maintains stable performance-even at ambient temperatures up to 50C.

Versatile Design to Match Any Requirement

This three-phase induction motor is available in multiple power ratings, speeds (1440/2880 RPM), and mounting options (foot or flange) to meet diverse industrial needs. Compliance with IS and IEC standards ensures global compatibility, while the manual lever brake release option provides flexibility during power cuts or maintenance.

FAQ's of Three Phase AC Brake Motor:

Q: How does the failsafe brake system operate in this AC Brake Motor?

A: The AC electromagnetic failsafe brake is designed to hold the load securely upon loss of power. When power is supplied, the brake is released; if power fails, the brake engages instantly, preventing uncontrolled movement for enhanced safety.

Q: What are the primary benefits of using a three-phase AC brake motor with Class F insulation?

A: Class F insulation ensures the motor can withstand higher temperatures, enhancing durability and longevity. Coupled with three-phase operation, it delivers consistent, high-efficiency performance ideal for continuous duty in demanding industrial settings.

Q: Where can this brake motor be installed and used effectively?

A: This motor is well-suited for use in hoists, cranes, lifts, and various material handling equipment, particularly in environments requiring reliable stopping power and robust construction. Its TEFC housing and IP55 rating enable operation in dusty and moderately wet locations.

Q: What options are available for mounting and brake release on this motor?

A: Mounting configurations include both foot and flange types for versatile installation. Additionally, a manual brake release lever is optionally available, allowing operators to disengage the brake during power failures or for manual maintenance.

Q: How does the motor ensure safe operation under varying load conditions?

A: The motor incorporates an optional thermal overload relay for protection against overheating and excessive current. Its high starting torque and low rated slip (<5%) provide reliable performance even with sudden load variations.

Q: What standards and features ensure the reliability of this brake motor?

A: The motor conforms to IS 325, IEC 60034, and IS 12075 standards, ensuring safety, efficiency, and low vibration. Its IP55 sealed enclosure, cast iron frame, and grease-lubricated bearings further guarantee dependable, low-maintenance operation.

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