APW12 Bitmain Power Supply PSU (APW121215)

Air-cooled replacement power supply made by Bitmain: the APW12 with a 12–15 V output (model APW121215), used in most Antminer S19-series miners. It provides a 12–15 V DC main output plus a 12.3 V auxiliary output. The APW121215 has been made in versions a to g, and the right version depends on the miner.

Compatibility

Bitmain's PSU table lists APW121215 versions for these models (which version fits varies by model):

• Antminer S19, S19j, S19j+, S19 Pro, S19j Pro, S19j Pro+, S19a, S19a Pro, S19i, S19 XP, T19
• Antminer D7, E9, E11

Specifications

• Main output (OUT1): 12–15 V DC, 208 A rated at 220 V input
• Auxiliary output (OUT2): 12.3 V DC (12.2–12.4 V), 15 A
• Input: 200–240 V AC, 47–63 Hz; power factor >0.99 at full load
• Protection: output short circuit, overheat, output over-current (291–350 A, varies with output voltage)
• Cooling: forced air; noise 45 dBA
• Dimensions: 254.6 x 251.6 x 63 mm; net weight 3.6 kg
• Operating environment: -20 to 45 °C, 20–90 % RH non-condensing, altitude below 2000 m

Notes

• Bitmain states that versions a, b and c are interchangeable with each other, and versions d, e and f are interchangeable with each other; d/e/f units can replace some a/b/c units after a firmware upgrade, but a/b/c units cannot replace d/e/f.
• Check the model and version on the label of the existing unit before replacing it.
• Installation must be carried out by a qualified electrician to local code.