# Antminer PSU Replacement – APW17 1215 Model (S21 Pro,S21 XP,S21,S21+,L9)

The **Bitmain Antminer APW17 1215** Power Supply is engineered for models like the **S21 Pro, S21 XP, S21, S21+, and L9** delivering a consistent **12V–15V** output with a **220V** input. Optimized for efficiency, it ensures steady power delivery for high-performance mining environments.

**PSU Model Correspondence :  
APW171215a –** S21, S19jxp, KS5, KS5Pro, AL1, AL1Pro, L9  
**APW171215c-** S21XP, S21Pro, S21+

-   #### Specifications
    
    **Out 1:**
    
    -   Dc Voltage: 12v-15v
    -   Rated current : 267A
    -   Ripple & Noise: <1%
    -   Source adjustment rate : <1%
    -   Load Regulation : <1%
    -   Start-up and rise Time : <14S
    -   Power-off retention Time :  >10mS
    
    **Out 2:**
    
    -   Dc Voltage: 12.3v
    -   Rated current (three-phase 380V input): 18A
    -   Ripple & Noise: <1%
    -   Voltage Accuracy : 12.2v—12.4v
    -   Source adjustment rate : <1%
    -   Load Regulation :  <1%
    -   Start-up and rise time: <10S
    -   Power-off retention Time :  >10mS
    
    **Input:**
    
    -   Voltage Range: 220–277V AC
    -   Frequency Range: 50\-60Hz
    -   Power Factor:  >0.99(full load)
    -   Leakage Current : <1.5mA（380V 50Hz）
    
    **Protection:**
    
    -   Input Undervoltage protection value: 185-195v AC
    -   Output Short Circuit: Yes
    -   Over-temperature protection:  Yes
    -   Output overcurrent protection value :  280A-402v A
    
    **Environment:**
    
    -   Operating Temperature: -20-40℃
    -   Operating Humidity: 20%-90%RH（non-­condensing）
    -   Altitude:  < 2000m
    -   Output overcurrent protection value :  333v AC
    
    **Structure:**
    
    -   Size: 254 x 251 x 63mm
    -   Weight Net: 4.2Kg
    -   Cooling method: Forced air cooling
    -   Noise : 45db

## Details

- **Price:** 399.0 USD
- **Vendor:** Power Supply Unit

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| APW171215a - In Stock | 399.00 USD | In stock |
| APW171215c - In Stock | 399.00 USD | In stock |

## Images

- Antminer PSU Replacement – APW17 1215 Model (S21 Pro,S21 XP,S21,S21+,L9)

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> Source: [Asic Mining Central](https://asicminingcentral.com/products/bitmain-antminer-psu-replacement-apw171215)
> Updated: 2026-05-07