Skip to product information
1 of 1

SMA Sunny Tripower X 480V 20KW 72A String Inverter | STP 20-US-50

SMA Sunny Tripower X 480V 20KW 72A String Inverter | STP 20-US-50

Out of Stock
Brand: SMA
Regular price $4,117.00 USD
Regular price $4,120.00 USD Sale price $4,117.00 USD
Sold out
Shipping calculated at checkout.
Available to Order — freight & ground to all 50 states
Your card is not charged until stock is confirmed. Enter your ZIP below for a transit estimate. Tracking provided once your order ships.

Ships via ground carrier, tracked. Pallet & heavy orders go LTL freight — our team confirms freight within 1 business day.

$206/kW
Multi-unit or project order?Get a Volume Quote →
Offloading overstock or decommissioned gear? We buy surplus equipment →

Secure checkout · Wire/ACH accepted on quotes · Freight arranged for you

Unit price
$206/kW
OEM Authorized Full Warranty 7-10 Business Days Delivery

Complete the job

Compatible gear contractors pair with this item

SMA

PES Supply is an authorized distributor for SMA. 50,000+ SKUs from 169 authorized brands.

SMA Sunny Tripower X 480V 20KW 72A String Inverter | STP 20-US-50

The sma america (US-50) is engineered for professional solar and electrical installations. Rated at 480vW. Priced below competitor at $4117.00.

Key Specifications

  • Manufacturer: sma america
  • Model: US-50
  • Category: Inverters
  • Wattage: 480vW
  • Price: $4117.00
  • Availability: In stock — same-day shipping

Order from PES Supply — your source for Tier 1 solar equipment, EOL upgrades, and electrical components. Same-day shipping by 2 PM ET. BABA compliant. Wholesale and installer pricing available.

ManufacturerSMA

    No documents available for this product. Contact us to request documentation.

    Specifications

    Datasheet
    Max Dc Voltage 1000 V
    Min Dc Voltage Startup 150 V / 188 V
    Mppt Trackers 3 (2 strings each)
    Max Input Current Per Mppt 24 A
    Max Short Circuit Current Per Mppt 37.5 A
    Nominal Ac Voltage 480 V / 277 V
    Ac Voltage Range 244-303 V
    Grid Frequency 60 Hz
    Phases 3
    Topology Transformerless
    Cooling OptiCool (forced convection, variable speed fans)
    Enclosure Rating Type 4X (UL 50E)
    Operating Temp -25 to +60 C
    Model STP 20-US-50
    Nominal Output Power 20000 W
    Max Apparent Power 20000 VA
    Max Output Current 24 A
    Max Pv Array Power 30000 Wp
    Mpp Voltage Range 350-800 V
    Cec Efficiency 97.5 %
    Certifications<