72V to12V DC
Converter
The DC-DC Converter provides clean power suitable for 12VDC electrical systems used in
telecommunications and mobile equipment/vehicle applications. For operation under the most harsh and demanding
conditions, the IP67 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 72VDC 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%.
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Application:
- Designed to interface between 72V
batteries and 12V electrical systems
such as 12V solenoids, relays and
other electrical systems.

DC-DC Converter Product Line |
| Technical Specifications: |
72VDC to 12VDC Converter |
| Order Codes: |
P/N: SMP-BAC-72VD-12VD-01 (converter only)
KIT P/N: PSU18K (includes wire harness) |
| Input: |
72VDC (35-90VDC) |
| Output: |
12VDC |
| Output Current: |
15A |
| Isolation: |
No |
| Protection: |
Reverse/Over/Under Voltage Protection, Surge Protection and Short Circuit Protection Provided |
| Protection Rating: |
IP67 |
| Packaging: |
Fully Sealed, Encapsulated in a remote mount aluminum enclosure |
| Dimensions: |
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 IDP connector |
| Operating Temperature: |
-30 to 74°C (-20 to 165°F) |
| PDF Datasheet: |
Click icon for PDF datasheet |
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