CE/ROHS for Certified Customizable EI Power Transformer 220V 110V/12V/24V Low Loss Noise Industrial/Household Appliances 110V
- Dual Voltage Conversion: 220V/110V input to 12V/24V output, ideal for industrial equipment and household appliances
- Premium Core & Windings: Advanced silicon steel core + copper windings for minimal power loss and ultra-quiet operation
- CE & RoHS Certified: Complies with international standards for safe and eco-friendly use
- Comprehensive Protection & Durability: Built-in safeguards against overheating/overload; robust design for demanding conditions
- Customizable & Compact: Tailorable specs to meet exact needs; space-saving form factor for easy installation
- Overview
- Recommended Products




Designed as a safety isolating transformer with separate insulated windings and prepared for class II equipment.
Short circuit and overload protected with thermal fuse on primary side. Up to 50% less weight than a similar conventional transformer.Low magnetisation currents and no-load losses.






Product Name |
EI laminated Tube Power Transformer |
Model No. |
EI 66x28 |
Rated Input Voltage |
0-220V(custom available) |
Rated Output Voltage |
12 0 12V (custom available) |
Frequency |
50/60Hz |
Rated Power |
30VA (custom available) |
Dimension |
L68XW54XH59 MM |
Weight |
0.93kgs |
Insulation Class |
Class B/Class F/Class E |
Ambient temperature |
Ta=25°C |
HI-POT test |
4000VAC |
Degree of protection |
IP00 |
Certificate |
CE Rohs ISO |
Standard |
EN61558, EN61000,IEC52321 |
Custom Made |
Yes |
Raw Material |
Full copper enameled wire, cold rolled grant oriented silicon steel lamination iron core, flame-retardant EI bobbin, high insulation tape, Iron mounting bracket |
Features |
High Quality, Small size, light weight, low noise, low no-load, low magnetic leakage, shielding, low temperature rise, high efficiency, low price, high performance |
Application |
1.Audio equipment , Vacuum tube amplifier , Celling Speaker, loudspeaker, Guitar , DVD player , Multimedia audio system , Broadcast system , Monitor security system, signal 2.Switching-mode power supply (SMPS) , Switching AC-DC adapter , Electronics power board , chargers, energy control , energy saving system
3.Medical equipment, dental chair, dental equipment, medical chair, lift chair, medical bed, hospital bed, medical lab equipment, patient monitoring equipment, instrument equipment, beauty salon spa equipment, Washing machine
4.Decorative lighting, Stage light, lighting control, LED , Traffic Light, Street Lighting
5. Home appliance, water dispenser,household blender,air-conditioner,mainframe computer, Garage door, Automatic door, Electric curtain
|



Model |
Specification |
Dimension(MM) |
Power (W) |
||||||||||||
A |
B |
C |
D |
E |
I |
J |
|||||||||
EI 28
|
ei 2812 |
30 |
26 |
27 |
51 |
41 |
7 |
3 |
1W |
||||||
ei 2815 |
30 |
29 |
27 |
51 |
41 |
7 |
3 |
1.5W |
|||||||
ei 2818 |
30 |
32 |
27 |
51 |
41 |
7 |
3 |
2W |
|||||||
EI 35
|
ei 3510 |
37 |
27.4 |
31 |
59 |
49 |
6.4 |
4 |
1W |
||||||
ei 3515 |
37 |
32.4 |
31 |
59 |
49 |
7 |
4 |
2.5W |
|||||||
ei 3518 |
37 |
35.4 |
31 |
59 |
49 |
7 |
4 |
3W |
|||||||
EI 41
|
ei 4116 |
43 |
34 |
35 |
65.3 |
55 |
6.3 |
4 |
4.5W |
||||||
ei 4120 |
43 |
37.8 |
35 |
67 |
55 |
6.3 |
4 |
6W |
|||||||
ei 4126 |
43 |
44 |
35 |
67 |
55 |
6.3 |
4 |
9W |
|||||||
EI 48
|
ei 4820 |
50 |
38.3 |
43 |
75 |
63 |
8 |
4 |
10W |
||||||
EI57 |
ei 4824 |
50 |
42.5 |
43 |
75 |
63 |
8 |
4 |
12W |
||||||
ei 4830 |
50 |
49 |
43 |
75 |
63 |
8 |
4 |
17W |
|||||||
ei 4835 |
50 |
54 |
43 |
75 |
63 |
8 |
4 |
20W |
|||||||
EI 57
|
ei 5719 |
59 |
42.5 |
50 |
84 |
74 |
8 |
4 |
12W |
||||||
ei 5725 |
59 |
49 |
50 |
84 |
74 |
8 |
5 |
20W |
|||||||
ei 5730 |
59 |
59 |
51 |
91 |
74 |
10 |
5 |
28W |
|||||||
ei 5735 |
59 |
59 |
51 |
91 |
74 |
10 |
5 |
36W |
|||||||
EI 66
|
ei 6628 |
68 |
54 |
59 |
98 |
82 |
10 |
5 |
30W |
||||||
ei 6632 |
68 |
58 |
59 |
98 |
82 |
10 |
5 |
40W |
|||||||
EI76 |
ei 6636 |
68 |
62 |
59.3 |
98 |
82 |
10 |
5 |
50W |
||||||
ei 6640 |
68 |
66 |
59.3 |
98 |
82 |
10 |
5 |
56W |
|||||||
ei 6645 |
68 |
71 |
59.3 |
98 |
82 |
10 |
5 |
68W |
|||||||
EI 76
|
ei 7632 |
78 |
64 |
67 |
110 |
95 |
10 |
5 |
52W |
||||||
EI86 |
ei 7638 |
78 |
70 |
67 |
110 |
95 |
10 |
5 |
70W |
||||||
ei 7642 |
78 |
74 |
67 |
110 |
95 |
10 |
5 |
80W |
|||||||
ei 7645 |
78 |
76 |
67 |
110 |
95 |
10 |
5 |
90W |
|||||||
EI 86
|
ei 8636 |
86 |
71 |
73 |
72 |
50 |
8 |
5 |
80W |
||||||
EI96 |
ei 8642 |
86 |
77 |
73 |
72 |
56 |
8 |
5 |
100W |
||||||
ei 8645 |
86 |
80 |
73 |
72 |
59 |
8 |
5 |
125W |
|||||||
ei 8650 |
86 |
85 |
73 |
72 |
64 |
8 |
5 |
150W |
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