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home > SMA STP 20-US-50 Sunny Tripower X String Inverter > SMA STP 20-US-50 Sunny Tripower X String Inverter

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SMA STP 20-US-50 Sunny Tripower X String InverterSMA STP 20 US 50 Sunny Tripower X String Inverter Introducing the SMA STP 20 US 50 Sunny Tripower X, the smart solution for commercial solar applications. This string inverter features a future proof design with integrated intelligence, ensuring that your system is not only efficient today but also ready for tomorrow's challenges. Three independent MPP trackers with SMA ShadeFix optimization for maximum energy yields. Integrated System Manager with

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SMA STP 20-US-50 Sunny Tripower X String Inverter

Introducing the SMA STP 20-US-50 Sunny Tripower X, the smart solution for commercial solar applications. This string inverter features a future-proof design with integrated intelligence, ensuring that your system is not only efficient today but also ready for tomorrow's challenges.

Three independent MPP trackers with SMA ShadeFix optimization for maximum energy yields.
Integrated System Manager with ennexOS for advanced monitoring and centralized control.
Enhanced safety with SunSpec PLC for module-level shutdown and DC AFCI protection.
Optimized performance with SMA Smart Connected proactive monitoring service.
Designed for flexible array design and maximum system uptime.

Technology and Overview

Equipped with SMA's ennexOS energy management platform, the STP 20-US-50 offers superior operational efficiency and smart energy management for commercial PV systems.

Installation and Compatibility Overview

With its ergonomic design, the STP 20-US-50 ensures straightforward installation. It's suitable for a variety of commercial solar projects, offering flexibility and ease of use.

Benefits and Applications Overview

The STP 20-US-50 is designed to maximize returns and enhance safety for commercial solar installations, promoting long-term sustainability and operational peace of mind.

Specifications

Specification	Value
Model No.	STP 20-US-50
Maximum PV array power	30000 Wp
Maximum input voltage	1000 V
MPP voltage range	350 V to 800 V
Minimum input voltage / initial input voltage	150 V / 188 V
Maximum operating input current / short-circuit current per MPP tracker	24 A / 37.5 A
Number of independent MPP trackers / string inputs per MPP tracker	3 / 2
Nominal output power	20000 W
Maximum apparent power	20000 VA
Nominal AC voltage	480 V / 277 V
AC voltage range	244 V to 305 V
Rated grid frequency / range	60 Hz / 50 Hz to 66 Hz
Maximum output current	24 A
Power factor at rated power / adjustable displacement	1 / 0.8 overexcited to 0.8 underexcited
Output phases / line connection	3 / 3-(N)-PE
Harmonics (THD)	< 3 %
CEC efficiency	97.5%
Load rated DC disconnect	Standard feature
Ground fault monitoring / grid monitoring	Standard feature
DC reverse polarity protection / AC short-circuit protection	Standard feature
All-pole sensitive residual-current monitoring unit	Standard feature
Protection class / overvoltage category	I / III
DC AFCI arc-fault protection	Standard feature
SunSpec PLC signal for rapid shutdown	Standard feature
DC surge protection type 2 / DC surge arrester type 1+2	Optional feature
Dimensions (W/H/D)	728 mm / 762 mm / 266 mm (28.7 in / 30 in / 10.5 in)
Device Weight	35 kg / 77 lbs
Operating temperature range	-25°C to +60°C (?13°F to +140°F)
Noise emission (typical)	59 dB(A)
Topology / cooling concept	Transformerless / OptiCool (forced convection, variable speed fans)
Enclosure protection rating	Type 4X (as per UL 50E)
Corrosivity classification according to IEC 61701	C5*
Maximum permissible value for relative humidity (non-condensing)	1
Mounting type	Vertical rack / wall mount to 15° from horizontal
DC connection / AC connection	Amphenol H4 Plus / spring-cage terminal
LED indicators (status / fault / communication)	Standard feature
Network interfaces: Ethernet / WLAN	Standard feature (2 ports)
Data protocols: SMA Modbus / SunSpec Modbus / Speedwire	Standard feature
Multi-function relay / Extension module slot / Digital inputs	Standard feature (6 inputs)
SMA ShadeFix string level optimization	Standard feature
Integrated I-V curve diagnostics 1)	Standard feature
Integrated Plant Control / Q on Demand 24/7	Standard feature
SMA Smart Connected (proactive monitoring and service support)	Standard feature
Standard warranty	10 years
Optional warranty extensions (total warranty coverage cannot exceed 20 years)	+5 years, +10 years
Certificates and approvals	UL 62109-1, UL 1699B Ed. 1, CAN/CSA 22.2 No. 62109-1:16 / 62109-2:16, PV Rapid Shutdown System Equipment in accordance with UL1741:2021
FCC compliance	FCC Part 15 Class A
Grid interconnection standards	UL 1741 SB, IEEE 1547:2018, compliance to SRDs: CA Rule 21, HECO Rule 14H, ISO-NE
Maximum number of supported inverters / energy meters	5 / 1
Maximum system power PV inverters (nominal AC power)	150 kVA
Centralized commissioning of all devices in the system	Standard feature
Remote parameterization of SMA devices	Standard feature (via Sunny Portal powered by ennexOS)
SMA Dynamic Power Control (e.g. zero export / Volt-VAr) 2)	Optional feature

SMA STP 20-US-50 Sunny Tripower X String Inverter

Name: SMA STP 20-US-50 Sunny Tripower X String Inverter
Brand: wellness-welten.net
SKU: 8338153925
Price: 1999.00 USD
Availability: InStock
Rating: 4.3078 (169 reviews)