CE/ROHS for Certified Customizable EI Power Transformer 220V 110V/12V/24V Low Loss Noise Industrial/Household Appliances 110V
This high-performance EI power transformer delivers reliable voltage conversion for both industrial equipment and household appliances. Certified to CE and RoHS standards, it efficiently transforms 220V/110V input to 12V/24V output while maintaining exceptional stability. The transformer features advanced silicon steel core construction and premium copper windings, resulting in minimal power loss and ultra-quiet operation. Its robust design ensures long-term durability and consistent performance even under demanding conditions. Available in customizable specifications to meet your exact requirements, this versatile transformer is ideal for a wide range of applications, from manufacturing equipment to home electronics. The compact form factor allows for easy installation, while built-in protection mechanisms safeguard against overheating and overloads. Trust in our transformer's proven reliability and superior quality for all your voltage conversion needs.
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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 |




