APW12 PSU 12–15V for Antminer S19 S19Pro T19 — New (Generic)
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APW12 PSU 12–15V – Replacement Power Supply for Antminer S19, S19 Pro & T19
This APW12 is a generic (non-Bitmain branded) replacement PSU rated at 12–15 V / 233 A, designed as a direct drop-in for the Antminer S19, S19 Pro and T19. It uses the same power harness connectors and mounting dimensions as the original Bitmain APW12 — unplug the old unit, install this one, and the miner is back online. Six variants are available (1215a through 1215f) to match your miner's power input board revision.
When to Replace an APW12
The APW12 carries the full electrical load continuously, making electrolytic capacitor ageing and MOSFET thermal fatigue the most common failure paths. Warning signs include increased PSU fan noise, intermittent restarts, reduced hash rate from voltage droop, or the miner failing to power on. Swapping the entire PSU is faster and more cost-effective than board-level repair when the miner is losing revenue every hour offline.
Installation Procedure
Disconnect the power cord and unplug all output harness connectors. Remove mounting screws, slide the old unit out, position the new APW12, and secure with original hardware. Reconnect all cables and plug into a 220–240 V, 20 A dedicated outlet. Verify in the dashboard that all hashboards are detected and hash rate reaches target. Select the variant letter (a–f) matching the revision on your miner's power input board label.
APW12 PSU Specifications
| Parameter | Value |
|---|---|
| Model | APW12 (1215 series, generic) |
| Output Voltage | 12–15 V DC |
| Output Current | 233 A |
| Compatibility | Antminer S19, S19 Pro, T19 |
| Variants | 1215a, 1215b, 1215c, 1215d, 1215e, 1215f |
| Weight | 4.0 kg |
| Condition | New |
Related APW12 Parts & Antminer Power Supplies
- APW12 PSU 14–17V (APW121417A) – Antminer L7 / S19j
- APW12 PSU 14–17V B (APW121417B) – Antminer L7 / S19j
- APW12 PSU Test Fixture – Bitmain APW121215 Repair
- RB-212DMF5 Power Relay – Antminer S19 APW12 Repair
Replacing APW12 units across a fleet? Contact us at contact@lys-sz.com for volume pricing and variant matching.
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