April 17, 2023

Industrial and grade 12V to 48 volt DC-DC Converters 25 Amp 1250 Watt

More DC/DC converters with 12VDC input and 1.5V, 5V, 6.5V, 8V, 10V, 11V, 12V, 13.8V, 14V, 15V, 16V, 18V, 19V, 20V, 21V, 48V, 27V, 36v, or 48V output

These robust DC converters have a wide operating temperature range, and use a DIN terminal block for input and output connections. They are designed to allow the use of 48 volt equipment in 12 volt, 14 volt, and 24 volt vehicles, marine, military, PLC, and cell tower applications. These are attractive, reliable, robust DC/DC converters good for fork lifts, off-road, construction and recreational equipment. They are relatively immune to vibration and shock.

To determine the output amps you need just add up the watts of all the equipment and divide by 48V.

These converters have common negative ground (non-isolated) and can be used for common ground and floating ground installations.

DC-DC Converters	25 amp DC to DC converter
Part Number and Price	PSEC-6948 $1343

Country of origin	USA, NAFTA eligible
Nominal Input Voltage	12VDC
Input Voltage range	11 to 16 VDC
Max Input current at No Load	<360 mA (<2mA when remote is "off")
Output voltage	48V nominal, 52.5V actual
Input current at full load	107 Amps
Output voltage adjustment by removing the front plate	54.2VDC to 52.8 VDC
Max Output Current(s)	25 Amps
Max Output Power (continuous)	1250W
Output current limit?	Voltage foldback at current limit
Operating Temperature Range at 100% load	-40°C to +40°C
Temperature derating	Derate 15% per 10°C above 40°C to maximum of 60°C
Operating humidity	0-95% non condensing
Altitude	6000 meters
Efficiency	>92 % at rated power
Load Regulation	<60mV
Switching frequency	kHz
Output ripple noise	<50 mV rms
Isolation	Fully isolated between input and output 2500VAC rms Housing to input >1800VAC Housing to output >1800VAC
Remote power on/off	Yes, through grounding a wire on the connector
Remote voltage sense	Yes. through two sense wires on the connector
Ingress rating	IP676, (dust tight, immersion up to 1 meter depth, 1 Joule mechanical impact energy)
Connections	Mating connector is the Canon 3106E24 - 11SB. See the connection diagram below
Protection	Low input voltage < 10.5 +/-0.3 VDC (adjustable up to 13VDC) High input voltage >17.0 +/- 1.0 VDC Over temperature by internal thermostat, self resetting Input reverse polarity by circuit breaker
Cooling	Through convection and the baseplate
Dimensions	17.8 x 6.9 x 3.6 inches 45 x 18 x 9 cm
Drawings	See below
Weight	8.2 kg (18 lbs)
Audible Noise	None
Warranty	2 years limited warranty for parts and labor

PSEC-749HS drawing:

drawing of the 850W DC converter showing dimensions

PSEC-649HS drawing

Heavy Duty, High Current Switchmode 12VDC/ 48VDC Converters.

Wide input voltage range suitable for 12 Volt, 14 Volt and 16 Volt systems.

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