April 21, 2023

12 volt 4 Amp Regulated Switching Power Supply

12 volt switchmode power supply with battery backup

For more 12 volt power supplies click here.

This inexpensive 12 volt AC/DC switching power supply adapter is useful for any application requiring UL/CUL approved 12 volts at 4.1 amps or less, but can supply surges up to 6 amps.

PST-AC1240 12 Volt AC/DC Power Supply Adapters
Quantity	1-10	11-50	51-100	101-500
Price PST-AC1240 12 Volt 4 amp power supply	$24.95	$21.25	$17.25	$15.25
PST-WX12 Optional 12 piece Output adapter barrel plug kit	$7.00	Call	Call	Call
SDY-C53F (ZHJX002) To adapt the barrel connector to screw terminals	$2.50 each
Polarity reversing adapter for center-negative products	$3.50

Model : PST-AC1240 Name : 12V DC Switching Power Supply for Cooler, Car Appliances, mini-ITX computers and other applications.

Description : An innovative product to suit any 12 volt DC products use anywhere in the world. It has a high efficiency and is light and compact. It operates most 12-14V DC equipment from 90-240 Volt AC Power Outlet ideal for home use of coolers and other car equipment up to 4.0 AMP. Special Features : - 4.0 AMP constant - 6.0 AMP surge capacity - Fully regulated, low ripple - Light weight & compact - Short circuit protection - Automatic thermal cut off - Automatic overload cut off Group : Adaptor Type : Switching Power Supply Approval : UL, CUL Technical Information Input Voltage : 90V - 240V AC Frequency : Input Plug(s) : American IEC C8 two-prong. Output Voltage : 12V DC Output Current : 4100mA

Model Number	PST-AC1240, PST-AC1238 Switching Power Supply
Input Voltage Range	90-240 VAC 50/60 Hz
Peak Output Power	48 Watts, 60 watts surge
Load Regulation	±3% over rated current: 0 - 4.1 Amps
Output Voltage	12 VDC
Input Connector	IEC C7, Class I input socket allows cords for any country to be used, the North American cord is included.
Output Connector	5.5 x 2.1 mm barrel connector, center positive, see below for others 46 inch cord
AC cord	IEC C14/15 on a 6 foot cord
Dimensions 4 amp version	58mm x 32 mm x 120mm (2.3 inch x 1.25 inch x 4.7 inch)
Dimensions 3.8 amp version	45mm x 29mm x 97mm (1.75" x 1.1" x 3.8")
Agency approvals	UL, cUL, CE, CCC, ROHS, LPS (limited power source), double insulated, indoor use.
Weight	240 grams, 8.5 oz. without the AC cord

A 5.5 x 2.1 mm barrel connector is supplied

Optional DC Plugs slip over the 5.5 x 2.1 mm connector if desired.

2.35 OD x 0.7 ID Barrel
3.0 OD x 1.1 ID Barrel
3.5 OD x 1.35 ID Barrel
4.0 OD x 1.7 ID Barrel
4.75 mm OD x 1.75 mm ID Barrel EIAJ-03
5.0 mm OD x 3.5 mm ID with center pin
5.5 mm OD x 1.5 mm ID type 2 Barrel
5.5 mm OD x 2.5 mm ID Barrel
6.3 OD x 3.0 ID center pin Barrel
6.0 OD x 4.4 ID center pin Barrel
7.4 mm OD x 5.0 center pin ID Barrel
7.9 OD x 5.6 ID center pin Barrel

Advantages:

Inexpensive 12 volt 4000mA switchmode AC switching power supply AC/ DC converter.

Inexpensive fully regulated power supply with IEC input and

Efficiency >85%, depending on input voltage, and output power.

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Wednesday, 24-Apr-2024 16:36:25 EDT

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