Electric Ei35 Ei41 Ei48 Ei57 Ei66 Audio Electrical Isolation Power Supply Current Low Frequency Lamination Class 2 Transformer for Charger and Elevator with UL

Basic Info.

Model NO.	EI35 EI48 EI57 EI66
Cooling Method	Oil-immersed Type Transformer
Winding Type	Multi-winding Transformer
Certification	ISO9001
Usage	Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics	Low Frequency
Shape of Core	Ee Ei R
Brand	OEM
Custom Made	Yes
Order Made	Yes
Sample Made	Yes
Part Made	Yes
Transport Package	Carton
Specification	other
Trademark	OEM
Origin	Zhuhai China
HS Code	85049019
Production Capacity	50000

Product Description

1. 105/130/155/180 degree insulation systems are available.
2. Design to meet UL/CSA/TUV/VDE/CE and other appointed safety agency requirements.
3. Auto transformer and insulated transformer can be design according to requirements.
4. 100/110/115/120/208/220/230/240/277/380/415V/440V or specified primaries are optional.
5. Secondary voltage: 3.6V/6.3V12V/24V/36V/100V/110V/120V/200V/220V/240V/380V or customer specified.
6. Terminations and mounting means can be customized.

Key Specifications
Power Range: 10VA to 3000 VA
Size Range: EI-28 to EI-192
Phase: Single or 3Phase
Input/Output: Customized
Insulation: Primary to secondary 2.5kV, 1min, some parts up to 4kV, it desponds to the safety agency requirements.
Primary to safety ground 2.5kV, 1min
Secondary to safety ground 1.5kV, 1min

Toroidal Transformer Main Materials (IQC process) All the material is inspected strictly with ISO9001:2008 quality program. EI lamination: appearance inspection and core loss test. Copper wire: pinhole test and coat of adhesion testEI Transformer Testing Items

1. Exciting current & core loss: 100% test
2. DC Resistance: 100% test
3. Layer insulation: 100% test
4. Loading test: 100% test
5. Hi-pot test: 100% test, but the time is only approx 10seconds for the production-run.
6. Aging test: Spot check, 10% of product quantity

FAQ:
Q1: Do you test all your goods before delivery?A: Yes, we will 100% test before delivery.

Q2: Can I get some samples?
A: Yes, 3-5 pcs free samples are available for your test. Small batches are also acceptable.

Q3: Is it OEM available?
A: Yes. We have rich experience and good ability to put your design and idea into real product, we can laser print your brand on
the products.

Q4: How about the lead time ?
A: The spot goods 3-7 days, for OEM and ODM order,please check exactly with us.

More questions, please contact us directly. We are always here waiting to serve you!

EI Transformer Sepecification
VA	Regulation	Temp. Rise	Core	Dimension(mm)
(Size)	(%)	(deg C)	(Size)	L	W	H	F/A×B
12	18	60	EI 48-18	50	34	44	61
15	18	60	EI 48-20	50	36	44	61
18	18	60	EI 48-24	50	40	44	61
20	18	60	EI 48-30	50	46	44	61
25	16	60	EI 57-20	59.5	44	50.5	70.5
30	15	60	EI 57-24.5	59.5	48.5	50.5	70.5
35	13	60	EI 57-30	59.5	54	50.5	70.5
40	12	60	EI 57-35	59.5	59	50.5	70.5
44	12	60	EI 66-24	68.5	52	58.5	81.5
55	11	60	EI 66-30	68.5	58	58.5	81.5
60	10	60	EI 66-36	68.5	64	58.5	81.5
65	9	60	EI 66-40	68.5	68	58.5	81.5
70	8.5	60	EI 66-45	68.5	71	58.5	81.5
80	8	60	EI 76-32	78.5	62	68.5	90
100	8	60	EI 76-38	78.5	68	68.5	90
120	7.8	60	EI 76-45	78.5	75	68.5	90
135	7.5	60	EI 76-50	78.5	80	68.5	90
140	7.5	60	EI 86-38	86.2	72	72	71×63
145	7	60	EI 86-42	86.2	76	72	71×67
155	6.8	60	EI 86-45	86.2	79	72	71×70
175	6.5	60	EI 86-50	86.2	84	72	71×75
155 (1)	6.5	60	EI 96-32	96	69	80.5	76×55
180	6.5	60	EI 96-38	96	75	80.5	76×61
210	6.4	60	EI 96-45	96	82	80.5	76×68
230	6.4	60	EI 96-50	96	87	80.5	76×73
265	6.4	60	EI 96-60	96	97	80.5	76×83
210 (1)	5	65	EI 105-34	105	73	91	76×52
255	5	65	EI 105-40	105	79	91	76×58
285	4.8	65	EI 105-50	105	89	91	76×68
320	4.8	65	EI 105-55	105	94	91	76×73
240	4.6	65	EI 105-60	105	99	91	76×78
375	4.6	65	EI 105-65	105	104	91	76×81
360	4.6	65	EI 114-45	114	89	97.5	95×75
400	4.6	65	EI 114-50	114	94	97.5	95×80
440	4.5	65	EI 114-55	114	99	97.5	95×85
480	4.5	65	EI 114-60	114	104	97.5	95×90
520	4.5	65	EI 114-65	114	109	97.5	95×95
530	4.4	70	EI 133-50	136	115	114	125×86
580	4.4	70	EI 133-55	136	128	114	125×91
630	4.4	70	EI 133-60	136	125	144	125×96
680	4.3	70	EI 133-65	136	129	144	125×101
730	4.3	70	EI 133-70	136	135	144	125×106
780	4.3	70	EI 133-75	136	141	144	125×111
830	4.2	70	EI 133-80	136	144	144	125×116
870	4.2	70	EI 133-85	136	151	144	125×122
925	4.2	70	EI 133-90	136	154	144	125×127
975	4.2	70	EI 133-95	136	159	144	125×132
1025	4.2	70	EI 133-100	136	164	144	125×137