Single phase dry type transformer 單相工業用變壓器
Detail Spec
| 項目 / Item | 內容 / Description |
|---|---|
| 容量 / Capacity | 40VA ~ 100KVA |
| 規格 / Specification | Isolation / Auto Transformer |
| 線圈材質 / Coil Type | Copper winding / Aluminum winding |
| CE 認證 / CE Certification | - LVD 2006/95/EC - IEC/EN61558-1:2005/A1:2009 - EN61558-2-4:2009 - EN61558-2-13:2009 - EMC 2006/95/EC |
| CE 絕緣等級 / CE Insulation Class | A (105℃), E (120℃), B (130℃), F (155℃), H (180℃) |
| UL 認證 / UL Certification | E473705 |
| UL 絕緣等級 / UL Insulation Class | B (130℃), H (180℃) |
箱體 / Enclosure (Servo Box) Optional | IP20 |
Industrial Control Transformer Overview
Industrial control transformers are primarily used to convert input voltage into levels suitable for industrial control circuits and motor control applications.
They are commonly found in control panels, work lights, small motors, solenoid valves, indicator lights, and similar equipment.
Key Features of This Transformer Series:
The secondary voltage design helps suppress inrush current and effectively reduces harmonic interference.
Made with high-permeability silicon steel sheets to enhance electrical efficiency and reduce operating noise.
Uses H-class insulation (rated for 180°C) enamel-coated copper wire and insulating materials for excellent heat resistance and safety.
Most models offer isolation functionality to ensure a stable and safe control circuit.
Copper vs. Aluminum Conductors
| Item/ Conductor | Copper Conductor | Aluminum Conductor |
Insulation Class | H class (180°C) | H class(180°C) |
Conductivity (%) | 100% | 61% |
Price | -- | Approx. 15% lower |
Note: While aluminum conductors offer a cost advantage, they have lower conductivity.
Selection should be based on application requirements and budget considerations.
Autotransformer vs. Isolation Transformer
✅ Advantages & Disadvantages of Autotransformers
Advantages:
Requires fewer conductor windings and silicon steel sheets, resulting in lower cost.
High efficiency with minimal losses and better voltage regulation.
Smaller size and lower temperature rise, saving space and energy.
Disadvantages:
No isolation between primary and secondary sides; faults on the primary side may directly affect the secondary, leading to lower safety.
✅ Advantages & Disadvantages of Isolation Transformers
Advantages:
Complete isolation between primary and secondary windings provides power filtering and protects downstream equipment.
Effectively prevents fault currents from the primary side from reaching the secondary side, offering higher safety.
Disadvantages:
Higher cost due to more conductor and material usage.
Larger size and slightly lower efficiency; suitable for applications with higher demands on power quality.
