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Battery Backup for car

electronics

Make your own cell

phone charging power

bank using 3-D printing

March 25, 2015

12 Volt and 24 Volt 36 and 72 Watt DC UPS

Battery Backup Power Supplies, DIN Rail

The PST-SP series of battery back up power supplies consist of a universal input (85 to 260 volts

AC, 47 to 63 Hz, or 120 to 340VDC) 12 volt (or 24 volt) power supply with a built-in DC Battery

Backup charger and switch. They can charge any 12 volt (or 24 volt) SLA, gel cell, VRLA, or AGM

lead acid battery and instantly switch over to battery power upon power failure with zero crossover

time.

These power supplies can be used with or without the battery as convenient DIN rail mount power

supplies. They are designed for infrequent battery use. The charger current is small, so it charges

the battery slowly and may not be applicable to systems having frequent, regular power outages

6 Volt

Battery Backup Power

Supply and DC UPS

150 Watt 12V version

150 Watt 24V version

150 Watt 48V version

The battery voltage is not regulated, and the output during AC operation is the same as the battery charge voltage so the 12 volt

system will vary from about 13.6 to 10 volts during operation. The 24 volt system will vary between 27.2 to 20 volts during battery

operation. If battery back-up is not required there is pot for adjusting the power which is accessible from the outside. There is also

a remote turn-on option to allow low voltage switching of the AC power, but not the battery power.

These units can also be used as high voltage input DC/DC converters with battery backup. The input voltage can be DC instead of

AC if the supply voltage is between 140 to 340 VDC.

Model

Qty 1 - 9 Qty 10 - 49 Qty 50-99 Qty 100-199 Qty 200+

PST-SP12AS 12 volt, 36 Watt

PST-SP12AL 12 volt, 72 Watt

PST-SP24AS 24 volt, 36 Watt

PST-SP24AL 24 volt, 72 Watt

AC DC Power Supply with Battery Backup

Model

PST-SP12AS

PST-SP24AS

PST-SP12AL

PST-SP24AL

Voltage

12V

adjustable

between

10.5 and

13.5 volts

24V adjustable

between 22.5 and

25.5 volts

12V adjustable

between 10.5 and

13.5 volts

24V adjustable

between 22.5 and

25.5 volts

Voltage when used with battery backup function

User must

adjust the

output

voltage to

12.9 to 13.8

volts to

ensure

battery

charging

User must adjust

the output voltage

between 25.8 and

27.6 volts to

ensure battery

charging

User must adjust

the output voltage

to 12.9 to 13.8

volts to ensure

battery charging

User must adjust

the output voltage

to between 25.8

and 27.6 volts to

ensure battery

charging

Voltage during battery operation

12.5 volts to

9.3volts

25.7 volts to 19.3

volts

12.5 volts to

9.3volts

25.7 volts to19.3

volts

Low Voltage Battery Cutoff?

No

No

No

No

Current

3A

1.5 A

6A

3 A

Crossover time

zero crossover time

Connections

Screw terminals

Screw terminal torque values

0.4-0.5 N-m

Dimensions

71mm x 106mm x 65mm

126mm x 106mm x 65mm

Weight

290 grams, 10 oz

500 grams, 17.5 oz

Input voltage

85-265VAC or 120 - 340 VDC

Supply frequency

47-63HZ

Output voltage tolerance

±1%

Maximum ripple and noise

<100mV PP

Switching frequency

~130kHz

Operation temperature

-25~+70°C

Efficiency

>80%

In-stock DC UPS 12 volt and 24 volt 36 watt and 72 watt battery backu...

http://www.powerstream.com/12V-backup.htm

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4/1/2015 3:29 PM