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Voltage Transformer Switch Power AC 110V / 220V to DC 12V 21A 250W for LED Strip
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Voltage Transformer Switch Power AC 110V / 220V to DC 12V 21A 250W for LED Strip

- Silver
138208501

29.32
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Main Features:
● High efficiency, long life and high reliability
● Low DC ripple, high efficiency
● Low operation temperature, long performance life
● Input voltage suitable for the world

Specification

Specifications

Package size (L x W x H): 20.2 x 11.6 x 5.5 cm / 7.94 x 4.56 x 2.16 inches
Package weight: 0.733 kg
Product size (L x W x H): 19.9 x 11 x 5 cm / 7.82 x 4.32 x 1.97 inches
Product weight: 0.646 kg

Package Contents

Package Contents: 1 x AC 110V / 220V to DC 12V 21A 250W Transformer Switch Power

Detailed parameters

Model

S-250-12

Input

AC input voltage rangeV)

AC 110V/220V+/-15% by switch

AC Input current(max) 

4.5A/115V 2.3A/230V

Frequency (Hz)

47Hz63Hz

Efficiency

89% Typ(230VACFull Load)

Inrush current(A)

Cold-start 20A 230V

Leakage current(mA)

<3mA/240VAC

Output

Output Voltage(V)

+12V DC

Voltage Regulation

±10%

Output Current(A)

21A

CurrentRange (A)

0~21A

Rated Power(W)

250W

Start time,hold-up timems

Ton≤1000ms,Td20ms @230Vac Full Load

Rise time(ms)

Typ:20ms @230Vac Full Load

Ripple/Noise(mVp-p)

120mVp-p

Environment

working Temperature (°C)

-40°C - +65°C(refer derating curve)

Storage Temperature(°C)

-20°C - +60°C

Humidity

20% - 90% RH non condensing

Protection

Over voltage Protection

>115%-135% Rated output voltage

Over load Protection

>105%-150% Auto recovery

Short circuit Protection

Latched

In orderto ensure the safety of human use, before installation, please note:

1. Select the correct input voltage and the input and output connection method.

2. Do not peel off the power before installing a protective layer to prevent foreign matter falling into the lead when the power supply is damaged.

3. After installation please tear in addition to the protective layer, so as not to affect the power cooling.
4. To avoid electric shock, do not disassemble the power supply chassis.

Product installation instructions:

1, the installation, use a length of less than 4mm screw fixing the power supply reliability.

2, before the installed power run, check and proofread each wiring terminals on, make sure the input and output, AC and DC, positive and negative voltage
And current values such as the right to eliminate wrong connection reverse phenomenon, to avoid damage to the power supply and user equipment.
3. Use a multimeter to measure power before hot, neutral and ground short circuit, the output is shorted; load when power is the best start.
4. Do not exceed the power supply when using the nominal value, so as not to affect the reliability of the product. To change the power supply output parameters, the power supply to the customer before using our technical
Surgery department consulted to ensure the use of the product and reliability.
5, in order to ensure the safety and reduce the use of interference, ensure reliable grounding ground (grounding wire more than AWG18 #).
6, in order to extend the life of power, our company can provide duct design solutions.
7. Do not frequent switching power supply, or affect their life.
8, such as power failure, please do not repair them, please contact the company as soon as possible to resolve.



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