Porcelain Lamp Holder E40

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 5000 Pieces pc

Supply Capability:: 100000 Pieces per Month pc/month

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EI Type Low Frequency Transformer

1. E10,E12,E14, E26,E27,E39, E40 lampholder,series etc.

2. Main material: ceramic/porcelain

3. Professional Manufacturer

4. Metal: aluminium/ iron/ copper/ brass/ stain steel.

5. OEM/ ODM is acceptable

6. We are manufacture, but has the right to handle export business independently.

7. Meet CE/ROHS standard

Model	Porcelain E14, E27, E40 Series etc.
Body Material	Porcelain/ ceramic
Metal Material	Screw shell	aluminium/iron/copper/brass
	Center connect	Copper
	Wire connect	Copper/iron
Voltage	110V-660V
Electric	4A-6A
AvailableWire	0.75mm; 0.25mm
Usage	for the lighting accessories

Q: How many power illuminator can 5Kva 36V transformer drive?: By formula: P=UI COSAThat is, the transformer capacity is S=UI=5KVAHow big is the COSA?. Look, what kind of illuminator do you use?. Usually take 0.8-0.9It can be calculated that P is about 4KW-4.5KW (general lighting)

Q: How many can you bring with 220V? How many can you bring with 380V? There are 3 terminals on the transformer. There are 220V, 380V, 0, three terminals. 220V is the 220V terminal and the 0 connection. How can the 380V be connected? Is it 380V and 0 or 380V and 220V?: Voltage x current = power, in general we are using the total power of 2/3, you can press this type of calculation, if the installation of electrodeless lights, the line should be separated,

Q: Why is the two side of the lighting transformer grounded?: Today's lighting products, regardless of the control system or the electronic power system itself, contain many semiconductorsComponents such as rectifier diodes, transistors, integrated circuits, LED, and so on. Semiconductor components are susceptible to staticElectrical damage, the two side of the power transformer grounding, help to produce a variety of factors, high pressure, residual static electricityDrain to avoid static electricity on the main circuit, to ensure product life.

Q: The difference between lighting transformers and control transformers: A control transformer is a low voltage appliance, usually used as a power supply or part of a lighting for the control of electrical equipment such as machine tools. There are usually two different voltage outputs,

Q: How many A leakage protection switches are used in 5000VA lighting transformers?: Secondary current =5000VA/220=22A, you can select the 32A leakage protection switch.

Q: Why the 21 lighting transformer must double winding type safety isolating transformers, prohibited the use of autotransformer.: The self winding transformer is connected by all its windings, and depends on the position of the sliding contacts to change the magnitude of the voltage. Therefore, there is not only a magnetic connection between the primary winding of the autotransformer (the power circuit) and the two winding (the power supply circuit), but also the direct connection of the circuit. It forms a circuit with the earth, so it can not be used as the power source of the safety voltage

Q: Can the 500 volt lighting transformer be changed into an electric welder?: The no-load voltage is higher (about 70~90 V), the arc can be smoothly started, and the voltage will be reduced to about 30 V when welding.

Q: Please tell me how to calculate the transformer in the lighting circuit of elevator shaft in building electrical design: Pe=19.5KW, installed capacityKx=1 coefficient of demandPjs=KxPe=19.5KW, calculated loadCOS, phi, =0.85, power factorIjs=KxPe/3/220/cos phi (Ijs calculates current, voltage, 380V/220V, three-phase)=1*19.5*1000/3/220/0.85=34.76A

Q: Lighting, lights, transformers, bulb brightness is too low, what's the matter?: Line light for safety light, voltage 24 volts and 36 volts, pay attention to the bulb and transformer voltage matching.

Q: How to calculate the rated capacity of small transformers for lighting purposes?: In view of the power [kVA] conversion of each load, multiplied by the amount of consumption, according to the importance of the load, equipment location, voltage statistics, set the load line and load place of plastic case transformer capacity and its connection position. The future load power equipment shall be judged on the basis of prior installation or consideration of the economy in terms of equipment addition, installation, etc..

The potential and technology of this production line is still improving. We will be a leader in this industry relying on good designs, high quality materials and strict production. Our company tries the best to fulfill the requirements from customers. Your satisfaction is our first aim. Our policy is "high quality is priority and good service is the power of growth". We have set up a complete set of after-sales service system.

1. Manufacturer Overview

Location	Fujian,China (Mainland)
Year Established	1996
Annual Output Value	US$1 Million - US$2.5 Million
Main Markets	North America; South America; Eastern Europe; Southeast Asia; Africa; Mid East; Eastern Asia; Western Europe; Central America; Northern Europe; Southern Europe
Company Certifications	ISO 9001:2000

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Fuzhou, Shanghai
Export Percentage	71% - 80%
No.of Employees in Trade Department	3-5 People
Language Spoken:	English, Chinese
b) Factory Information
Factory Size:	Below 1,000 square meters
No. of Production Lines	3
Contract Manufacturing	OEM Service Offered
Product Price Range	Low and/or Average