Industrial 12V Electrical Transformer Manufacture
High-efficiency, safety-certified transformers designed for control cabinets, electrical panels, and industrial automation systems.
- Custom specifications for OEM integration
- UL / CE / RoHS certified for global compliance
- Low electromagnetic interference (EMI) design
- Overload and short-circuit protection
- Bulk pricing & volume discounts available
Key Features of Our 12V Electrical Transformer
Our 12V electrical transformers deliver stable, low-voltage DC power with high efficiency and compact design. They provide reliable electrical isolation, safety, and stable current output for your devices, ensuring long-term, safe operation of control systems and sensitive electronics.
Input/Output Ratings
Input: 100-240V AC, 50/60Hz Output: 12V DC, 1A-20A options Efficiency: >85% under full load
Safety & Compliance
UL 5085, CE, RoHS compliant Class II isolation Overcurrent & thermal protection IP20 enclosure rating
Operating Conditions
Input: 100-240V AC, 50/60Hz Output: 12V DC, 1A-20A options Efficiency: >85% under full load
Physical Dimensions
Input: 100-240V AC, 50/60Hz Output: 12V DC, 1A-20A options Efficiency: >85% under full load
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Specifications of best-selling models
| Model No. | Capacity (kVA) | b1 max | b2 max | d1 | d2 | h1 max | L1 max | n1 | n2 |
|---|---|---|---|---|---|---|---|---|---|
| JSG-0.16 | 0.16 | 64 | 50 | 5×8 | M4 | 140 | 122 | 49 | 90 |
| JSG-0.25 | 0.25 | 67 | 48 | 6×12 | M5 | 162 | 156 | 49 | 113 |
| JSG-0.4 | 0.4 | 82 | 56 | 6×12 | M5 | 162 | 156 | 64 | 113 |
| JSG-0.63 | 0.63 | 76 | 51 | 7.4×13 | M6 | 187 | 181 | 56 | 136 |
| JSG-1 | 1 | 97 | 61 | 7.4×13 | M6 | 187 | 181 | 76 | 136 |
| JSG-1.6 | 1.6 | 115 | 98 | 7.4×13 | M6 | 214 | 229 | 94 | 170 |
| JSG-2.5 | 2.5 | 133 | 102 | 10×18 | M8 | 241 | 264 | 101 | 200 |
| JSG-4 | 4.0 | 148 | 104 | 10×18 | M8 | 250 | 270 | 118 | 224 |
| JSG-6.3 | 6.3 | 155 | 129 | 10×18 | M8 | 330 | 360 | 130 | 260 |
| JSG-8 | 8 | 170 | 134 | 12×20 | M10 | 330 | 360 | 140 | 260 |
| JSG-10 | 10 | 170 | 134 | 12×20 | M10 | 330 | 360 | 150 | 260 |
12V Electrical Transformer Key Parts
Primary winding
Receives incoming AC voltage, creating a magnetic field in the core for the initial step-down transformation.
Magnetic core
Guides and concentrates the magnetic flux efficiently, enabling effective voltage transfer between windings with minimal energy loss.
Protective Housing
Encases all components, providing physical safety, electrical insulation, and heat dissipation for reliable operation.
Application of 12V Electrical Transformer Key Parts in Different Industries
HVAC Systems
Industrial Automation
Security Systems
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Customer Testimonials
Customize Your 12V Electrical Transformer Key Parts
Input/Output Voltage & Power
We customize input voltage ranges and output values to match your device’s precise needs, offering power ratings from a few watts to several hundred for a perfect fit.
Winding & Efficiency Class
Using high-grade materials and optimized winding techniques, we meet specific efficiency classes to enhance your end product’s energy performance and long-term operating economy.
Core Material & Size
We select from various silicon steel or ferrite cores based on your application’s frequency and efficiency needs, optimizing performance and fit for your design constraints.
Housing & Protection Rating
Choose from metal or plastic housings. We customize IP ratings and design installation features to ensure safe, reliable operation in demanding environments.
What are the Benefits of 12V Electrical Transformer ?
Safety & Reliability: Converts high-voltage mains to a safe low voltage, significantly reducing risks of electric shock and short circuits for user safety.
Device Compatibility & Stability: Delivers clean, stable power for 12V DC equipment, protecting sensitive electronics from damaging voltage fluctuations.
Energy Efficiency & Cost Savings: Modern, high-efficiency designs minimize energy loss during conversion, lowering operating costs and reducing heat for longer lifespan.
FAQ of 12V Electrical Transformer
How do I choose the right wattage for my 12V transformer
First, calculate the total maximum power requirement (in watts) of all devices you’ll connect. To ensure reliability and headroom, select a transformer with a power rating 20-30% higher than that total. For example, for a 60W load, choose at least a 75W model.
What is the difference between an encapsulated (potting) and non-encapsulated transformer?
Encapsulated transformers are completely sealed in resin, offering superior protection against moisture, dust, vibration, and corrosion for harsh environments. Non-encapsulated types are more cost-effective and dissipate heat slightly better, suitable for clean, dry indoor panels.
Can I use a 12V AC transformer to power DC equipment?
No, not directly. A 12V AC transformer outputs alternating current. To power DC equipment, you must add a rectifier and filter circuit to convert AC to smooth DC. Always check your device’s required power type.
Why does my transformer hum or get warm during operation?
A slight hum (from core vibration) and warmth are normal. However, loud buzzing or excessive heat may indicate overload, input voltage mismatch, or an internal fault. Check that the load does not exceed the transformer’s capacity and that the input voltage is correct.