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12V 20a DC/AC switching power supply for ham radio S-250W-12

Product Description

12V 20a DC/AC Switching Power Supply for ham radio

Product Description
General
China enclosed switching Power Supply manufacturers, builtin type chassis, metal shell, switch power supply can be used for room temperature environment. Universal ac input voltage range,have complete protection function, 100% full load aging test.Security monitoring, display, light box, suitable for indoor use.
Advantage:
S-60W series compact single switching power supply feature:
· Universal AC input range
· Small volume,low weight,high efficiency
· Protections: short circuit/over load
· Cooling by free air convection
· LED indicator for power on
· 100% full load burn-in test

Product Parameter :

Model

S-250-12

S-250-15

S-250-24

s-250-27

s-250-36

s-250-48

Output

 

 

 

 

 

 

DC voltage

12V

15V

24V

27v

36v

48v

Voltage tolerance

±1%

±1%

±1%

±1%

±1%

±1%

Rated current

20A

16A

10A

9A

6.9A

5.2A

Current range

0~20A

0~16A

0~10A

0~9A

0~6.9A

0~5.2A

Rated power

250W

250W

250W

250W

250W

250W

Ripple & noise

150mvp-p

150mvp-p

150mvp-p

150mvp-p

150mvp-p

150mvp-p

DC voltage

 adjustable range

±10%

±10%

±10%

±10%

±10%

±10%

Input

 

 

 

 

 

Voltage range

90~132VAC, /180~264VAC selected by switch,  235~370VDC

Frequency

47~63HZ

AC current

5.0A/115VAC,  2.5A/230VAC

Efficiency

80%

80%

82%

82%

82%

83%

Inrush current

Cold start current 25A/115VAC  50A/230VAC

Leakage current

<3.5mA/240VAC

Protection

 

 

 

Over load

 

 

105 ~ 135% rated output power

Protection type: fold back current liming,

auto-recovery.

Over voltage

15.6v~

17.8v

18.6~

20.8v

30.6~

33.2v

33.2~

35.6V

42.6~

44.2v

54.8~

56.6V

Protection type:Hiccup model,auto-recovery after solved the abnormal conditions
Over tempreture Inside tempreture≥85°C start overtemperature protection
Protection type: cut off the output, auto-ecovery after solved the abnormal conditions

Environment

 

 

Working temp,

humidity

-10°C~+60°C, 20%~90%RH

Storage temp,

humidity

-20°C~+85°C, 10%~95%RH non-condensing

Withstand 

vibration

10~500HZ,2G 10min/1cycle,period for 60 minutes,

each axes

Safety

 

Withstand voltage

I/P-O/P:1.5KVAC, I/P-FG:1.5KVAC, O/P-FG:

0.5KVAC

Isolation resistance

I/P-O/P, I/P-FG, O/P-FG: 100MΩ/500VDC

Fit standard

 

Safety standard

Compliance to UL1012

EMC standard

Compliance to EN55022,CLASS A

Others

 

Dimension

215*115*50mm(L*W*H)

Weight/packing

0.9g/24pcs/22.5kg/0.049m³

Remark:
1 All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°C of ambient temperature.
2 Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3 Tolerance: includes set up tolerance, line regulation and load regulation.

12V 20a DC/AC switching power supply for ham radio S-250W-1212V 20a DC/AC switching power supply for ham radio S-250W-1212V 20a DC/AC switching power supply for ham radio S-250W-1212V 20a DC/AC switching power supply for ham radio S-250W-1212V 20a DC/AC switching power supply for ham radio S-250W-12

contact us

Contact person:Anya

Phone/Wechat/whatsapp:008618072111300

Skype:live:power06_7

12V 20a DC/AC switching power supply for ham radio S-250W-12 

Company Information

 

> YUEQING HEYUAN ELECTRONIC TECHNOLOGY CO.,LTD. estabilishen in 2009, is a professional manufacturer focuses on the research,development, production, sale and service of Voltage Regulator, UPS, Switching power supply, power inverter, solar system.

We are located in the "China electric appliance capital"--Liushi town with convenient transportationaccess, where is quite close to Shanghai and Ningbo port.

Dedicate to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.

In recent years, our company has introduced a series of advanced equipment.

In addition, we have obtained ISO900W,BV, EAC, CE certificates.

Most of our products acquired design and technical patents, and we ahve unique advanced current zero cross.

12V 20a DC/AC switching power supply for ham radio S-250W-12

12V 20a DC/AC switching power supply for ham radio S-250W-12

12V 20a DC/AC switching power supply for ham radio S-250W-12

Packaging & Shipping

12V 20a DC/AC switching power supply for ham radio S-250W-12

FAQ

12V 20a DC/AC switching power supply for ham radio S-250W-12

 

Q 1. what's the payment terms? 
A. We accept LC, T/T, PayPal, Western Union, Smallamount payment, Money Gram

Q 2. how's the delivery time ?
A. usually it will take about two weeks for production.

Q 3. tell me the standard of package?
A. For the small capacity, it use carton, but for big capacity, we should use strong

 wooden case for protection.

Q 4. what kind of material of transformer?
A. For servo type stabilizer,we have two types, one 100% copper and the other is

copper with aluminum.It depends on your requirment. In fact,those two have no

difference if normal work well. Only except the longlife. Copper is better and also

higer price.For Relay Type stabilizer,we use toroid coils, the material is aluminum.

comparing with square coils,toriod coils with high efficiency.
Q 5.Could you offer Form A or C/O ? 
A. It totally not a problem. We can prepare relative documents to forgin affairs 

office or other office to apply for this certificate.

Q 6.Would you accept to use our logo ?
A.If you have good quantity,it absolute no problem to do OEM.

Q 7.We want to know month capacity. 
A. It depends on which model.For example for relay type small capacity ,

 month capacity can reach near 10000pcs and big capacity near 2000pcs.

Q 8.Where is your market?
A. Our products are popular in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe and so on.Some of them are our regular customers and some of them are developing. We hope you can join us and make mutural benifit from our cooperation.

Q 9. what kind of certificate you have ?
A. Our company already achieve ISO9001, and for products, we have CE,PCT,SGS.

Our Services

 We can offer sample for test before order, but customer will have to pay the sample charger and freight charge.  We will refund you the sample cost when order confirmed. 

Contact us if you need more details on Switching Power Supply. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 12v Power Supply、Dc/ac Switching Power Supply. If these products fail to match your need, please contact us and we would like to provide relevant information.

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