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PSU2K: 48 VDC to 12 VDC Converter

The DC-DC Converter provides clean 12 VDC power suitable for 12V solenoids, relays and other electrical systems. For operation under the most harsh and demanding conditions, the IP65 rated unit is fully sealed and potted in an enclosure to protect against moisture, shock and vibration. Power from a battery or other source of 48 VDC is converted to a 12 VDC output regulated to 0.5%. The unit has a high current output capability of 15 Amp nominal (20 Amp peak). The device manages heat dissipation and requires no forced cooling systems. Short circuit and reverse polarity protection are provided. The compact unit is designed with extremely rugged surge and transient suppression in addition to sustained over/under voltage protection. With a nameplate rating of 180 VA of output power, the DC-DC Converter features proprietary dual-phase topology for a high efficiency of >93%.


  • Designed to interface between 48V batteries and 12V electrical systems such as 12V solenoids, relays and other electrical systems.
Technical Specifications:48V to 12V DC Converter
Order Code:P/N: SMP-BAC-48VD-12VD-01 (converter only)
KIT P/N: PSU2K (includes wire harness)
Input:48VDC (35-65VDC)
Output Current:15A
Protection:Reverse/Over/Under Voltage Protection, Surge Protection and Short Circuit Protection Provided
Protection Rating:IP65
Packaging:Fully Sealed, Encapsulated in a remote mount aluminum enclosure
5.50 x 8.14 x 2.37 inches
139.7 x 207.0 x 60.3 mm
(W x L x H excluding mating connector)
Electrical Connections:4-pin Deutsch IPD connector
Operating Conditions:-30 to 74°C (-20 to 165°F)
PDF Datasheet: Click icon for PDF datasheet.

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