NCR 530-0009297-1 Mainframe Power Supply 120V 50/60Hz Rev C NCR Power Systems
NCR 530-0009297-1 Mainframe Power Supply 120V 50/60Hz Rev C
Multi-rail linear/switching power supply designed for NCR mainframe and minicomputer systems. Supplies regulated +12V, +5.1V, +5VB, -12V, and -5V rails with integrated battery backup circuit and internal cooling fan.
Specifications & What's Included
- Input: 120V AC, 50/60Hz (multiple transformer strap configurations available: 90–107V, 104–127V, 114–136V, 198–235V, 207–240V, 216–250V)
- Output Rails: +12V, +5.1V, +5VB, -12V, -5V, GND A
- Battery Backup: Yes (F2/T1 BBU fuse circuit)
- Cooling: Nidec TA450DC 12VDC fan
- Form Factor: Internal chassis-mount with attached multi-connector output harness
- Revision: Rev C; Plant Code 44/007394
- Fuses: F1 (Battery) F3A/250V, F2 (BBU) T500µA or T250mA/250V, F3 (AC Line) F10A or F6A/250V, A1F1 (HV Bulk DC) F4A/250V
Applications
This supply was used in NCR System 3000, System 8000, and related vintage minicomputer platforms from the 1970s–1980s. It provided stable multi-rail DC power to processor cards, memory modules, and I/O subsystems in mission-critical business computing environments.
Condition: Used
This NCR 530-0009297-1 mainframe power supply has been powered and tested at our facility and is in good working order. The zinc-plated steel chassis shows the iridescent patina and light surface wear typical of vintage industrial equipment of this era, consistent with prior deployment in a mainframe environment. The output wire harness with its multiple blade and ribbon connectors is intact and present. The rear-mounted Nidec cooling fan, AC input, and front-panel power control switches are all present. Fuse holders and voltage adjustment trim pots are intact as visible in the photos. Please view our photo set and contact us if you have any questions. Visit Our Store
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