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Low frequency transformer manufacturers

I have found results from1000+products and400+suppliers aboutLow frequency transformer

Foshan Guangyang Electrical Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Unistab Single Phase Dry Type 220V Ei57 Copper Low Frequency Power Transformer

Unistab Single Phase Dry Type 220V Ei57 Copper Low Frequency Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab UL Low Frequency Single Phase Copper Dry Ei Transformer

Unistab UL Low Frequency Single Phase Copper Dry Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 220V UL Certified Single Phase Low Frequency Ei Transformer

Unistab 220V UL Certified Single Phase Low Frequency Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab 220V CE Copper Single Phase Low Frequency Ei Power Transformer

Unistab 220V CE Copper Single Phase Low Frequency Ei Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Low Frequency Single Phase Ei Power Transformer for Distribution Usage

Unistab Low Frequency Single Phase Ei Power Transformer for Distribution Usage

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 110V 220V Single Phase Electric Low Frequency Ei Transformer

Unistab 110V 220V Single Phase Electric Low Frequency Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab 110V 220V Single Phase Copper Low Frequency Ei Power Transformer

Unistab 110V 220V Single Phase Copper Low Frequency Ei Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab 220V Low Frequency Single Phase Ei Core Copper Power Transformer

Unistab 220V Low Frequency Single Phase Ei Core Copper Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Dry Type Low Frequency Copper Audio Ei Transformer

Unistab Single Phase Dry Type Low Frequency Copper Audio Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 200 Va Low Frequency Copper Ei Single Phase Power Transformer

Unistab 200 Va Low Frequency Copper Ei Single Phase Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 220V Ei Core Low Frequency Single Phase Power Transformer 20va

Unistab 220V Ei Core Low Frequency Single Phase Power Transformer 20va

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Low Frequency Single Phase Ei Transformer for Automotive Battery Power Supply

Unistab Low Frequency Single Phase Ei Transformer for Automotive Battery Power Supply

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Low Frequency Single Phase Copper Dry Type Ei Transformer

Unistab Low Frequency Single Phase Copper Dry Type Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Ei Single Phase Low Frequency Copper Wire Electric Power Transformer

Unistab Ei Single Phase Low Frequency Copper Wire Electric Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase 220V Low Frequency Dry Type Ei Transformer

Unistab Single Phase 220V Low Frequency Dry Type Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single-Phase 110V 220V Low Frequency Copper Wire Ei Voltage Transformer

Unistab Single-Phase 110V 220V Low Frequency Copper Wire Ei Voltage Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab 220V Single Phase Low Frequency Copper Dry Type Ei Transformer

Unistab 220V Single Phase Low Frequency Copper Dry Type Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 220V Small Audio Low Frequency CE Single Phase Ei Transformer

Unistab 220V Small Audio Low Frequency CE Single Phase Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Ei57 20va 110V Low Frequency Single Phase Dry Type Ei Transformer

Unistab Ei57 20va 110V Low Frequency Single Phase Dry Type Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Ei57 Single Phase UL Low Frequency Copper Ei Transformer

Unistab Ei57 Single Phase UL Low Frequency Copper Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Ei Single Phase Copper Dry Low Frequency Power Transformer

Unistab Ei Single Phase Copper Dry Low Frequency Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Custom Single Phase Low Frequency Copper Dry Ei Transformer

Unistab Custom Single Phase Low Frequency Copper Dry Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Single-Phase Ei Core 220V Low Frequency Copper Winding Power Transformer

Single-Phase Ei Core 220V Low Frequency Copper Winding Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Dry Low Frequency Copper Coil Ei Power Transformer

Unistab Single Phase Dry Low Frequency Copper Coil Ei Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Dry Type Low Frequency Ei Power Transformer 220V

Unistab Single Phase Dry Type Low Frequency Ei Power Transformer 220V

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Copper Low Frequency Dry Type Ei Power Transformer

Unistab Single Phase Copper Low Frequency Dry Type Ei Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab UL Certified Single Phase Low Frequency Copper Wire Ei Power Transformer

Unistab UL Certified Single Phase Low Frequency Copper Wire Ei Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Ei Single Phase Low Frequency Copper Wire 220V Power Transformer

Unistab Ei Single Phase Low Frequency Copper Wire 220V Power Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Ei Single Phase Low Frequency Dry Type Ei57 Power Distribution Transformer

Unistab Ei Single Phase Low Frequency Dry Type Ei57 Power Distribution Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Ei Low Frequency Industrial Copper Power Supply Transformer

Unistab Single Phase Ei Low Frequency Industrial Copper Power Supply Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 220V Electric Low Frequency Single Phase Copper Ei Step Down Transformer

Unistab 220V Electric Low Frequency Single Phase Copper Ei Step Down Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab 220V 20va Single Phase Low Frequency Copper Wire Ei Transformer

Unistab 220V 20va Single Phase Low Frequency Copper Wire Ei Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Ei Core Low Frequency 220V 200va Power Control Transformer

Unistab Single Phase Ei Core Low Frequency 220V 200va Power Control Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Dry-Type Low Frequency Ei Transformer for Railway Signaling

Unistab Single Phase Dry-Type Low Frequency Ei Transformer for Railway Signaling

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab High-Efficiency Single Phase Electric Dry Low Frequency Copper Ei Transformer

Unistab High-Efficiency Single Phase Electric Dry Low Frequency Copper Ei Transformer

US$13.00
80 Pieces(MOQ)
Sample Available
Unistab Ei Single Phase Low Frequency Copper Wire Step Down Power Transformer

Unistab Ei Single Phase Low Frequency Copper Wire Step Down Power Transformer

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Low Frequency Dry Type Single Phase Copper Ei Transformer Industrial Power

Unistab Low Frequency Dry Type Single Phase Copper Ei Transformer Industrial Power

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Single Phase Copper Wire Low Frequency Ei Transformer Power Conversion Module

Unistab Single Phase Copper Wire Low Frequency Ei Transformer Power Conversion Module

US$26.00
80 Pieces(MOQ)
Sample Available
Unistab Low Frequency Single Phase Copper Dry Type Ei Transformer Power Supply

Unistab Low Frequency Single Phase Copper Dry Type Ei Transformer Power Supply

US$26.00
80 Pieces(MOQ)
Sample Available
Low Frequency Toroidal Transformer for Standard Mains Power Conversion Power Systems

Low Frequency Toroidal Transformer for Standard Mains Power Conversion Power Systems

US$4.76
50 Pieces(MOQ)
Sample Available
Low Frequency Toroidal Transformer for Mains Power Isolation Conversion Systems

Low Frequency Toroidal Transformer for Mains Power Isolation Conversion Systems

US$5.28
50 Pieces(MOQ)
Sample Available
Amorphous Core Toroidal Transformer for Low Frequency Power Distribution Conversion Units

Amorphous Core Toroidal Transformer for Low Frequency Power Distribution Conversion Units

US$6.99
50 Pieces(MOQ)
Sample Available
Round Wire Wound Toroidal Transformer for Low Frequency Mains Power Conversion Systems

Round Wire Wound Toroidal Transformer for Low Frequency Mains Power Conversion Systems

US$4.88
50 Pieces(MOQ)
Sample Available
Changzhou Hensiron Electric Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
ISO9001 Certified Custom Made Ui30 Low Frequency Power Electric Transformer

ISO9001 Certified Custom Made Ui30 Low Frequency Power Electric Transformer

US$0.50-1.50
100 Pieces(MOQ)
Sample Available
Ui Shape Model Low Frequency Power Electrical Current Voltage Transformer

Ui Shape Model Low Frequency Power Electrical Current Voltage Transformer

US$1.00-5.00
1,000 Pieces(MOQ)
Sample Available
Ei41 Iron Core Low Frequency Transformer 220V 15V with CE Certicicate RoHS

Ei41 Iron Core Low Frequency Transformer 220V 15V with CE Certicicate RoHS

US$1.00-1.50
1,000 Pieces(MOQ)
Sample Available
Lower Temperature Rise Ei48 Single Phase Electrical Low Frequency Transformer

Lower Temperature Rise Ei48 Single Phase Electrical Low Frequency Transformer

US$0.50-3.00
1,000 Pieces(MOQ)
Sample Available
Ei66 50va Low Frequency Power Supply Transformer 50Hz 60Hz 110V 220V 50W

Ei66 50va Low Frequency Power Supply Transformer 50Hz 60Hz 110V 220V 50W

US$3.00-6.00
100 Pieces(MOQ)
Sample Available
Low Loss Electronic OEM Low Frequency Transformer for Washing Machines

Low Loss Electronic OEM Low Frequency Transformer for Washing Machines

US$1.00
1 Piece(MOQ)
Small Volume 300W Low Frequency Iron Ring Core Toroidal Transformer 110V 220V 240V

Small Volume 300W Low Frequency Iron Ring Core Toroidal Transformer 110V 220V 240V

US$1.00-7.00
10 Pieces(MOQ)
Sample Available
Big Power Low Frequency Ei105 Iron Core Transformer with 180V 200V 220V Input

Big Power Low Frequency Ei105 Iron Core Transformer with 180V 200V 220V Input

US$5.00-10.00
100 Pieces(MOQ)
Sample Available
Electrical Low Frequency Audio Power Voltage Transformer for Drying Equipment

Electrical Low Frequency Audio Power Voltage Transformer for Drying Equipment

US$1.00
1 Piece(MOQ)
Ei Series Low Frequency Power Supply Electronic Transformer for Washing Machines

Ei Series Low Frequency Power Supply Electronic Transformer for Washing Machines

US$1.00
1 Piece(MOQ)
Single-Phase Low Frequency Ei High Efficiency Transformer for Washing Machines

Single-Phase Low Frequency Ei High Efficiency Transformer for Washing Machines

US$1.00
1 Piece(MOQ)
Power Electrical Low Frequency Ei57 PCB Encapsulated Resin Potting Isolation Transformer

Power Electrical Low Frequency Ei57 PCB Encapsulated Resin Potting Isolation Transformer

US$0.50-5.00
100 Pieces(MOQ)
Sample Available
Customized Service Electric Low Frequency Encapsulated Power Resin Potting Transformer

Customized Service Electric Low Frequency Encapsulated Power Resin Potting Transformer

US$0.50-3.00
500 Pieces(MOQ)
Sample Available
Wholesale Factory Supply Electrical Low Frequency Power Supply Current Transformer

Wholesale Factory Supply Electrical Low Frequency Power Supply Current Transformer

US$5.00-10.00
100 Pieces(MOQ)
Sample Available
Low Frequency High Power Electrical Single Phase Current Transformer for Medical Electronic Equipment

Low Frequency High Power Electrical Single Phase Current Transformer for Medical Electronic Equipment

US$5.00-10.00
100 Pieces(MOQ)
Sample Available
Low Temperature Rise RM High Frequency Switching Power Supply Transformer

Low Temperature Rise RM High Frequency Switching Power Supply Transformer

US$1.00
1 Piece(MOQ)

Sourcing guidance for Low Frequency Transformer

How to choose the right core material for a Low Frequency Transformer?

For low frequency applications (typically 50Hz/60Hz), the core material is critical for efficiency. You should prioritize Silicon Steel Sheets (Electrical Steel) with high permeability. Ensure the supplier uses cold-rolled grain-oriented (CRGO) steel to minimize core losses and heat generation. For high-end audio or precision equipment, consider Toroidal cores which offer lower electromagnetic interference (EMI) and higher efficiency compared to traditional EI laminated cores.

What are the key technical specifications to verify before purchasing?

Buyers must confirm the Rated Power (VA/KVA), Input/Output Voltage ratios, and Insulation Class (Class B, F, or H). It is essential to check the No-load Loss and Load Loss parameters to ensure energy efficiency. Additionally, verify the winding material; while copper is more expensive, it offers superior conductivity and durability compared to aluminum, which may be used in budget-friendly alternatives.

Which international compliance standards are mandatory for global trade?

To ensure market access and safety, transformers must adhere to specific standards. For the US market, UL 5085 or UL 1585 is often required. For the European market, CE marking and compliance with EN 61558 (safety of transformers) are mandatory. Additionally, ensure the product meets RoHS and REACH directives to guarantee the absence of hazardous substances in the insulation and housing.

How to evaluate the thermal management and durability of the transformer?

Low frequency transformers generate heat during operation. You should inquire about the vacuum pressure impregnation (VPI) process, which enhances insulation strength and moisture resistance. Check if the unit includes thermal protection devices like fuses or switches. For industrial use, ensure the IP (Ingress Protection) rating of the enclosure matches your environment, especially if it requires protection against dust or water.

Cross-Border Procurement Risks and Strategies

How to mitigate quality risks when sourcing transformers from overseas?

Always request a Type Test Report from a third-party laboratory before placing bulk orders. Utilize Made-in-China.com's audit services to verify the factory's production capacity and QC equipment. It is highly recommended to conduct a Pre-shipment Inspection (PSI) to test the dielectric strength and insulation resistance of the actual batch being shipped.

What are the best practices for negotiating with transformer suppliers?

Focus on the Total Cost of Ownership (TCO) rather than just the unit price. Negotiate based on the weight of the copper and steel core, as these are the primary cost drivers linked to global commodity prices. Request a tiered pricing structure where the unit price decreases as the volume increases, and aim for a 30% deposit / 70% balance after inspection payment term to secure your interests.

How to ensure safe shipping for heavy magnetic components?

Transformers are heavy and fragile. Insist on seaworthy packaging, including fumigated wooden crates and vacuum-sealed plastic bags to prevent rust during sea transit. Since transformers contain magnetic cores, ensure the packaging includes magnetic shielding if shipping via air freight to comply with IATA regulations and avoid interference with aircraft instruments.

How to handle transaction security and trade disputes?

Conduct all transactions through secure payment channels provided by reputable platforms like Made-in-China.com. Ensure the Sales Contract explicitly defines the technical specifications, warranty period (ideally 12-24 months), and the criteria for 'defective goods.' Clearly state the Incoterms (e.g., FOB or CIF) to define exactly where the risk transfers from the seller to the buyer.

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