Description
DEC Digital H7421A Rackmount Power Supply 120V 50/60Hz 3.75A 5V Adjust
Rackmount power supply from Digital Equipment Corporation. Converts 120V AC input to regulated 5V DC output with adjustable voltage setting. Equipped with internal cooling fan and 6-pin Molex-style connector.
Specifications & What's Included
- Input: 120V AC, 50/60Hz, 3.75A
- Output: 5V adjustable via 6-pin Molex connector
- Fuse Rating: 5A
- Form Factor: Rack mount
- Includes attached power cable
Applications
This supply was designed for DEC PDP, VAX, and DECsystem minicomputer series equipment. These units provided core DC power distribution in laboratory, commercial, and institutional computing environments throughout the 1970s and 1980s. Commonly found in legacy system restoration and museum computing setups.
Condition: Used
This DEC Digital H7421A Rackmount Power Supply has been inspected at our facility. The unit is in good used cosmetic condition — the aluminum chassis shows typical surface scuffing and light wear consistent with its age and prior rack deployment. The front panel label is intact and legible, confirming the 120V 50/60Hz 3.75A rating and 5V Adjust designation. The attached power cord is present and intact. The rear output connector (6-pin Molex-style) appears complete and undamaged. An internal inspection photo is included showing the PCB, transformer, cooling fan, and wiring harness — all components appear intact with no obvious damage visible. The original description's claim that this unit was tested and in working condition requires staff verification before publishing. Please review our full photo set and contact us with any questions before purchasing.
This DEC Digital H7421A Rackmount Power Supply has been inspected at our facility. The unit is in good used cosmetic condition — the aluminum chassis shows typical surface scuffing and light wear consistent with its age and prior rack deployment. The front panel label is intact and legible, confirming the 120V 50/60Hz 3.75A rating and 5V Adjust designation. The attached power cord is present and intact. The rear output connector (6-pin Molex-style) appears complete and undamaged. An internal inspection photo is included showing the PCB, transformer, cooling fan, and wiring harness — all components appear intact with no obvious damage visible. The original description's claim that this unit was tested and in working condition requires staff verification before publishing. Please review our full photo set and contact us with any questions before purchasing.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Digital Equipment Corporation (DEC) |
Model: |
H7421A |
MPN: |
H7421A |
SKU: |
9219 |
Condition: |
Used – Inspected |
Seller Notes: |
Includes attached power cable. Lid removed for internal inspection photo. |
Form Factor: |
Rack Mount |
Power Requirements: |
120V AC, 50/60Hz, 3.75A |
Output Voltage: |
5V (adjustable) |
Output Connector: |
6-pin Molex-style connector |
Cooling: |
Internal cooling fan |
Compatible With: |
DEC PDP, VAX, and DECsystem minicomputer series |
Country of Manufacture: |
United States |
Voltage Rating: |
120V AC |
Current Rating: |
3.75A |
Frequency: |
50/60Hz |
Fuse Rating: |
5A (per label: Replace with 5A Fuse) |
Condition Notes: |
This DEC Digital H7421A Rackmount Power Supply has been inspected at our facility. The unit is in good used cosmetic condition — the aluminum chassis shows typical surface scuffing and light wear consistent with its age and prior rack deployment. |
