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Steel Core Permanent Magnet Generator with 12-1140V Rated Voltage, 500W-5000kW Power Range, and Cast Iron Shell

12-1140V Rated Voltage Permanent Magnet Generator

500W-5000kW Power Range PMG

Cast Iron Shell Permanent Magnet Alternator

Brand Name:

Greef

Certification:

Model Number:

GDF

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Product Details

Colour:

As Your Request

Generatror Shell Material:

Cast Iron

Shaft Type:

Vertical/horizontal

Power Factor:

Close To 1

Rated Voltag:

12-1140V

Power Range:

500W-5000kw

Rated Voltage:

Custmoized

Numberofpoles:

Variable (e.g., 4, 6, 8 Poles)

Highlight:

12-1140V Rated Voltage Permanent Magnet Generator

500W-5000kW Power Range PMG

Cast Iron Shell Permanent Magnet Alternator

Payment & Shipping Terms

Minimum Order Quantity

1 Set

Price

Negotiable

Packaging Details

Foam+plywooden Case

Delivery Time

25 Working Days

Payment Terms

T/T

Rated Rotate Speed 20rpm 3000rpm Permanent Magnet Generator 1 Phase 3 Phase Power Output Varies Depending Size Design

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Product Description

Steel Core Permanent Magnet Generator Rated Voltage 12-1140V

Product Overview

A Permanent Magnet Generator (PMG) represents a sophisticated category of electric generators. Unlike conventional generators that depend on electrically-excited windings, a PMG employs high-strength permanent magnets embedded in its rotor.

These permanent magnets generate a robust magnetic field, which significantly enhances the efficiency and performance of the generator. By eliminating the need for external excitation current, PMGs offer improved reliability and reduced maintenance requirements.

Overall, the use of permanent magnets in the rotor design makes the Permanent Magnet Generator a highly efficient and innovative solution in the field of electrical power generation.

Key Features

High efficiency design ensuring optimal performance while minimizing energy waste
High power factor maximizing effective use of electrical power
Compact and small size suitable for space-constrained applications
High power density delivering substantial power from small footprint
Large starting pitch enhancing start-up capabilities under various load conditions
Quiet operation with low noise levels for noise-sensitive environments
Low temperature rise contributing to longevity and safe operation
Reliable performance ensuring consistent operation and durability
Smooth torque and speed control with high rigidity for stable operation

Technical Specifications

Parameter	Specification
Rated Rotate Speed	20rpm - 3000rpm
Power Factor	Close To 1
Rated Voltage	12-1140V, Customized
Power Range	500W - 5000kW
Phase	1 / Three Phase
Power Output	Varies Depending On Size And Design
Number of Poles	Variable (e.g., 4, 6, 8 Poles)
Life Time	20 Years
Colour	As Your Request
Special Features	Permanent Magnet Generator, three phase, LOW START TORQUE

Industrial Applications

Wind Power Generation: Core components in direct-drive and semi-direct-drive wind turbines with outstanding efficiency under variable-speed conditions
Offshore Environments: Robust and minimal maintenance requirements for ship shaft generators and main/auxiliary power systems
Backup Power Systems: Integration with diesel and gas generator sets for responsive, stable emergency and standby power
High-Speed Applications: Microturbines and flywheel energy storage systems leveraging high rotational speed performance
Industrial Sector: Specialized applications demanding high power density and utmost reliability for continuous operation

Customization Options

Model: GDF

Origin: Made in China with CE certification

Phase Options: 1 phase and three phase configurations

Rated Voltage: 12V to 1140V

Rated Rotational Speed: 20rpm to 3000rpm

Construction: Copper windings, steel core, high-quality neodymium magnets

Key Feature: LOW START TORQUE, ideal for FREE ENERGY applications

Shaft Type: Customizable vertical or horizontal installation

Order Details: Minimum order quantity of 1 set, negotiable pricing, secure packaging with foam and plywood cases, 25 working days delivery time, T/T payment terms.

Packaging & Shipping

Each Permanent Magnet Generator is carefully packaged to ensure maximum protection during transit. The generator is first wrapped in anti-static bubble wrap to prevent any damage from shocks or vibrations. It is then placed inside a sturdy, custom-fitted cardboard box with additional foam padding on all sides to secure it firmly in place.

The packaging box is clearly labeled with handling instructions, including "Fragile" and "This Side Up" indicators, to guide safe transportation and storage. For international shipments, moisture-absorbing packets are included to prevent humidity-related damage.

Shipping is conducted through reliable courier services with tracking options available. We offer multiple shipping methods, including standard, expedited, and freight services, to meet the delivery requirements of our customers. All packages are insured to cover any unforeseen damages or losses during transit.

Ratings& Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

B*v

Uzbekistan Apr 15.2026

Helpful (6)

This canal flows day and night – I never thought it could make money. After Greef installed the system, it runs by itself. Every day I check my phone to see how much electricity was generated and how much I earned. I'll recover my investment in less than a year, and after that it's pure profit.

Tags：

3 Phase Permanent Magnet Generator Customized Rated Voltage IP 54 Protection Grade Designed for Operation and Long Service Life

Get Best Price

12-1140V Rated Voltage Permanent Magnet Generator in 1 Phase and 3 Phase Power Range from 500W up to 5000kW for Various Uses

Get Best Price

IP 54 Low Start Torque Motor Featuring Rated Voltage 12 1140V Ideal for Machinery Requiring Startup and High Durability

Get Best Price

Send your inquiry directly to us

Qingdao Greef New Energy Equipment Co., Ltd

Steel Core Permanent Magnet Generator with 12-1140V Rated Voltage, 500W-5000kW Power Range, and Cast Iron Shell

12-1140V Rated Voltage Permanent Magnet Generator

500W-5000kW Power Range PMG

Cast Iron Shell Permanent Magnet Alternator

12-1140V Rated Voltage Permanent Magnet Generator

500W-5000kW Power Range PMG

Cast Iron Shell Permanent Magnet Alternator

Rated Rotate Speed 20rpm 3000rpm Permanent Magnet Generator 1 Phase 3 Phase Power Output Varies Depending Size Design

3 Phase Permanent Magnet Generator Customized Rated Voltage IP 54 Protection Grade Designed for Operation and Long Service Life

12-1140V Rated Voltage Permanent Magnet Generator in 1 Phase and 3 Phase Power Range from 500W up to 5000kW for Various Uses

IP 54 Low Start Torque Motor Featuring Rated Voltage 12 1140V Ideal for Machinery Requiring Startup and High Durability

Overall Rating

Rating Snapshot

All Reviews

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Rated Rotate Speed 20rpm 3000rpm Permanent Magnet Generator 1 Phase 3 Phase Power Output Varies Depending Size Design

3 Phase Permanent Magnet Generator Customized Rated Voltage IP 54 Protection Grade Designed for Operation and Long Service Life

12-1140V Rated Voltage Permanent Magnet Generator in 1 Phase and 3 Phase Power Range from 500W up to 5000kW for Various Uses

IP 54 Low Start Torque Motor Featuring Rated Voltage 12 1140V Ideal for Machinery Requiring Startup and High Durability