January 15, 2024

Industrial Telecommunications and military grade waterproof IP67 48V to 24V DC/DC Converters or 30A 800 Watt

These IP67 rated DC-DC converters are fully IP676 ingress protected, including immersion. They have a wide operating temperature range, and use a single military style circular bayonet connector which contains both input and output terminals. The input voltage range is 44-56VDC use of 28 volt equipment in 48 volt, equipment such as 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 28V.

These converters are fully isolated and can be used for all 48V systems, including negative ground, positive ground, and floating ground installations. High efficiency, over 94% at any load.

DC-DC Converters	15 Amp DC to DC Converter
Part Number and Price	PSEC-849HS $1134
6 Foot cable with connector	Cable with connector PSEC-68-0749-6 $295 each
Connector only	CA3106E24-11SB NATO connector without cable $110 each One cable is used
Nominal Input Voltage	48VDC
Input Voltage range	40VDC to 61DC
Max Input current at No Load	<220 mA
Output voltage	26V
Output voltage adjustment	23.5 VDC to 27 VDC by removing front plate
Max Output Current(s)	30 Amps
Max Output Power (continuous)	800W
Output current limit?	110% of maximum current with continuous automatic retry, 1000W peak for short pulses
Operating Temperature Range at 100% load	-40°C to +70°C with 100% load
Operating humidity	0-100%
Efficiency	>94 % over full operating range
Load Regulation	<0.2% with remote sensing
Maximum input current	19A
Switching frequency	kHz
Output ripple noise	<50 mV rms
Isolation	Fully isolated between input and output 1800VAC rms Housing to input >2500VAC Housing to output >2500VAC
Remote power on/off	Yes, through grounding a wire on the connector. This feature can be bypassed by a jumper under the cover plate
Remote voltage sense	Yes. through two sense wires on the connector
Ingress rating	IP67, 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 40 +/-0.3 VDC, High input voltage 61.0 +/- 1.0 VDC Overload knee current limiting starting at 110% Over temperature by internal thermostat, self resetting
Cooling	Through convection and the baseplate
Dimensions	15.5 x 8.0 x 2.9 inches 39.4 x 20.3 x 7.4 cm
Fuse can be accessed by removing the front cover	ATC-30
Drawings	See below
Weight	8.2 kg (18 lbs)
Audible Noise	None
Warranty	2 years limited warranty for parts and labor

PSEC-849HS drawing:

drawing of the 850W DC converter showing dimensions

Heavy Duty, High Current Switchmode 48VDC / 24VDC Converters.

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