February 20, 2023

48 V DC DC Fully Isolated Switchmode Power Supplies 400Hz input

200mA Desktop style

400Hz AC input external 48 volt power supply , double insulated

400Hz Tutorial

5 volt 500 mA switching power supply with 5.5 x 2.1 mm barrel connector

Click here for more 400Hz power supplies

These are 400Hz power supplies, 48 volts, 0.4 or 0.2 Amps output, 20 watts or 9.6 watts. They are fully isolated from AC ground, so can be used in +48 or -48 applications. The output is a barrel connector,

Prices

Quantity	1-10	11+
PST-AC4805W 48 volt 500 mA switching power supply WALL MOUNT.	$13.50	$9.90
PST-AIR-PWR-A48 volt 200 mA switchmode power supply Desktop	$14.50	$10.25
PST-WX12 ---- Output adapter barrel plug kit See below for sizes	$7.00

Note on 400Hz operation: we have tested this power supply and found that the efficiency does not decrease at 400Hz operation, the power factor and crest factor of the incoming AC change only slightly, and the temperature rise at full power is the same as 60Hz operation.

Part Number	PST-AIR-PWR-A= 48 volt 200 mA Desktop switchmode power supply
Parameter	Specification
Output	48 Volts DC nominal, 45.6 to 50.5 is ± 5%
Output Current	0-0.2 Amps
Input Voltage	100-240 VAC, 47-63 Hz
Input Frequency	47-63 Hz, 400Hz
Input Current	0.5 Amps max, 4 Amps max inrush current
Protection	Overvoltage protection at 96 Volts output Short circuit protection, auto-recovering
Temperature	0° to 40° C Operating
MTBF	50,000 Hours by design
Agency Approvals	CE, UL, V85 N11846, CCC, FCC, NYCE

Part Number	PST-AC4805 48 volt 500 mA switchmode power supply
Parameter	Requirement
Output	48 Volts DC nominal
Output Range	45.6V~50.4V
Ripple/noise	480 mVp-p
Output Current	0-0.5 Amps
Input Voltage	100-240 VAC
Input Frequency	47-63 Hz, 400Hz
Size	30x85x47 mm
Output Connector	5.5 x 2.1 mm barrel connector
Output Polarity	Center Positive
Input	2-prong US style
Efficiency	>80% over all conditions
Temperature	0° to 40° C Operating
Agency Approvals	Double insulated, indoor use

Twelve 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

48 volt 20 watt power supply, 48V 400Hz compatible

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