Desktop Switching Power Adapter 30-42 Watt

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 500 Pieces pc

Supply Capability:: 3000 Pieces per Day pc/month

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Features:

Universal Input: 100-240V AC 50/60Hz

Safety: UL/CUL/TUV/GS/CE/CCC compliance

RoHS Compliance

High efficiency & low power consumption

LED power indicator

Short Circuit Protection

Over Current Protection

Over Voltage Protection

Light Weight & Compact

Environmental:

Operating Temperature: 0 ~ +40

Storage Temperature: -40 ~+70

Operating Humidity: 10% ~ 90% RH Non-condensing

Storage Humidity: 5% ~ 95% RH Non-condensing

Mechanical:

Dimensions: 109mm(L)*51.5mm(W)*37mm(H)

N.W.:260g

AC Input Plug: EU,US,UK,AUS,etc. type according to customer's choice

Output plug: according to customer's requirements

Output Specifications:

Model	Output Load Voltage (V)	Max. Load Current (A)
YS42-XX360	36	1.20
YS42-XX240	24	1.50
YS42-XX180	18	2.56
YS42-XX150	15	2.50
YS42-XX120	12	3.50
YS42-XX050	5	5.00

XX-represent rated output power

Packing details:

1 piece per plastic bag + inner box

50PCS/CTN

CTN Dimension: 34*31*37CM

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?: Connect 220V method, FireWire 220V terminal, zero line 0 terminal, 380V terminal is not connected.Connect 380V method, A phase 380V terminal, B phase 0 terminal, 220V terminal is not connected.

Q: Why should lighting transformers be used in factories and mines?: There are two cases. One is the general factories and mines, and the low voltage is three-phase four wire system, and the neutral point is directly grounded. Between the phase line and the zero line is 220V, which can be connected with the illumination load.

Q: Why is the two side of the lighting transformer grounded?: In the three-phase transformer, the neutral point of the three-phase transformer and the metal case are always reliably connected, and the utility model has the advantages of reliable grounding, both working grounding, protection and earthing, and protection of personal safety and equipment safety.

Q: Why is elevator lighting transformer installed?: Is that the kind of 220V change 36V ah, if it is that kind of thing, I think it should be for security reasons. After all, 36V is a safe voltage. The damage to humans is slightly smaller than that of 220V.

Q: How many A leakage protection switches are used in 5000VA lighting transformers?: According to the working principle of the protector, it can be divided into three kinds: voltage type, current type and pulse type. The voltage protection device is connected to the transformer neutral point and the ground, when the electric shock when the neutral point voltage offset to the real estate, in order to make the action to protect the power off, but because it is the protection of the transformer low voltage network, cannot be classified protection, so the power range is large, frequent moves, so has been eliminated. The pulse current protector is a sudden change in the phase and amplitude of the three-phase unbalanced leakage current when an electric shock occurs, which is used as an action signal, but also a dead time. The current type current leakage protector is widely used, so the protector of current type is mainly introduced below.

Q: How is the lighting power of the 380V transformer calculated?: With a light bulb with 4KVA load, the premise of the distance can be Mrs. face light bulb, dark can light the best load, 3KVA bulb brightness

Q: Why the 21 lighting transformer must double winding type safety isolating transformers, prohibited the use of autotransformer.: So, safety regulations: lighting transformer must double winding type safety isolating transformer, prohibited the use of autotransformer.

Q: Power and lighting transformers, lighting quality will be affected much?: The quality of transformer itself, coupling coefficient, overload capacity, as well as the impact current of the bulb, the cold resistance of the filament and the starting factor at the same time, it is better to choose the 400VA transformer.

Q: What's the function of the lighting transformer?: Applies to some requirements for safe voltage 24V - 36V lighting sites. Such as: basement, tunnel, dangerous goods warehouse and so on. Then there is the (mobile, temporary) safety lighting for the overhaul.

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..

We have a strict quality control and guarantee system and have been ISO9001:2000 certified. All our main products have obtained CE approvals of the European Union approvals of Chinese Quality Certification Center. Besides, we also carry out the international authoritative certifications.We commit to supply high quality products and competitive prices to our customers with professional technologies and top-ranking services.

1. Manufacturer Overview

Location	Zhejiang, China
Year Established	1999
Annual Output Value
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
Company Certifications	ISO 9001:2000;ISO 14001:2004;GS;TUV

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage	91% - 100%
No.of Employees in Trade Department
Language Spoken:
b) Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered Design Service Offered
Product Price Range