IOTA Engineering 55AMP Converter Charger

5+ In Stock
Item #
The SDC-120-12-55 Power Converter/Battery Charger from IOTA Engineering converts nominal 108-132 AC voltage to 13.4-14.8 DC voltage for both DC load operation and 12 V battery charging.
More Information
Item # 91283
Brand IOTA
Model DLS-55
Replaces SDC-120-12-55
Features UL and CUL 458 Listed
Clean, steady DC output operates your loads the way they were intended, avoiding potential damage to systems from errant DC voltage.
Built-in protection features guard the unit against erratic line voltage that can occur from shore power or generator supplie
2-Gauge max. connection capagility decreases voltage drop for better battery charging and increased installation distance.
Reverse Polarity Protection with simplified fuse removal protects the unit against damage from incorrect battery hook-up.
Proportional fan control starts and stops slowly and operates at speeds directly proportional to unit temperature for whisper-quiet operation.
Included DC Output Voltage** 13.4-14.8 VDC
Output Voltage Tolerance (No Load) + or - 0.7%
Output Amperage, Max Continuous 55 Amps
Maximum Power Output, Continuous 800 Watts
Ripple and Noise <50 mV rms
Input Voltage Range 108-132 VAC
Input Voltage Frequency 47-63
Maximum AC Current @ 108VAC 13.4 Amps
Typical Efficiency >80%
Max Inrush Current, Single Cycle 30 Amps
Short Circuit Protection Yes
Overload Protection >100%
Line Regulation 100 mV rms
Load Regulation <1.5%
Fan Control Proportional
Thermal Protection YES
Working Temperature Range 0°- 40°C
Storage Temperature -20° to 80°C
Withstand Voltage (VDC)* 1700/1700/500
Dimensions 10.3" x 6" x 2.7"
Weight 5 lbs
Warranty 3
Net Weight 5
Special Order Item No
UPC 040232430060
Frequently Bought Together
Total price
As a power supply, the unit's tightly controlled regulation allows the user to operate a nominal 12VDC load up to 55 amps.

As a battery charger, the unit will maintain the battery, delivering its full-rated current when the battery capacity falls sufficiently low. The voltage is set to deliver its maximum current for the necessary period of time to minimize undue stress to the battery caused by heating of its cells. This helps to ensure the longest possible life of the battery. Over time, as the battery nears its full capacity, the SDC-120-12-55 will automatically drop the current, providing a float-charge to the battery to prevent self-discharge of the cells.
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