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Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer

Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer

Multi-Voltage Adaptability: 220V AC 50Hz input, 3V/12V/18-0-18V multiple outputs for diverse power supply needs
EI Core Shielding & Stability: Square EI core design ensures excellent electromagnetic shielding and consistent performance
Premium Build Quality: Copper windings + silicon steel sheets, low temperature rise for reliable long-term operation
Wide Application Scope: Ideal for DIY projects, industrial control systems, audio equipment, and step-down voltage-dependent devices
Compact & Quality-Tested: Space-saving design for easy installation; strict quality checks meet safety and efficiency standards

Overview
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This versatile EI core transformer is designed to provide reliable voltage conversion for various electronic applications. With a primary voltage of 220V AC at 50Hz, it offers multiple secondary output options including 3V, 12V, and 18-0-18V, making it highly adaptable for different power supply needs. The square-shaped design with EI core construction ensures excellent electromagnetic shielding and stable performance. Built with high-quality copper windings and premium silicon steel sheets, this transformer delivers consistent power output while maintaining low temperature rise during operation. Perfect for DIY projects, industrial control systems, audio equipment, and other electronic devices requiring step-down voltage transformation. The compact form factor allows for easy installation while meeting safety and efficiency standards. Each unit undergoes strict quality testing to ensure durability and reliable long-term performance.

Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer manufacture

Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer details

ECKO ei transformer according to EN61558. Suitable for installation in electronically equipment.
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.

Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer factory

Square transformers 220v 3v Ac 18 0 18v 12v 50hz Transformator Ei Core Transformer supplier

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)
Model	Specification			A	B	C	D	E	I	J	Power (W)
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

DVD player, multimedia audio system,TV set, small charger, madical machine, beauty salon equipment,

instrument equipment,Stage lighting equipment, lighting control circuit, automatic equipment control circuit, mechanical control circuit,energy-saving equipment control circuit and other small power supply.