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Home
Solar Inverter Buyer's Guide
SunPower Corporation SPR-X21-335-BLK-D-AC [240V]

SunPower Corporation SPR-X21-335-BLK-D-AC [240V]

Manufacturer Reviews (568)

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335 W, 240 Vac, Utility Interactive, monocrystalline ACPV Module, white backsheet
DC Module: SPR-X21-335-BLK
Micro-inverter: MI-C-320-US208/240-1X [240V]

EnergySage Rating

Very Good

Efficiency

96%

Type

Microinverter

Warranty

25 years

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Inverter Overview

Type

Microinverter

Efficiency

96%

Warranty

25 years

Nominal Voltage

240VAC

Maximum Output Power

0.32kW

Individual models of inverters are designed specifically for certain types of solar installations: residential vs. utility-scale, 60 cell vs. 72 cell solar panels, system level or module level power economics.

Inverter Characteristics

Features

Built In Meter

Microinverter

Panel-level Optimization

Smart Inverter Phase 1

Smart Inverter Phase 1 with Tested

There are three primary inverter types: string inverters, power optimizers paired with string inverters and microinverters. Inverters may come with additional features and capabilities beyond their standard method of operation.

Voltage

Nominal

60VDC

Minimum

53VDC

Maximum

64VDC

Night Tare Loss

0.1W

The voltage and voltage range across which an inverter can operate are indicative of the overall performance of an inverter. A wide range of voltages means the inverter can perform well across a variety of solar output conditions.

Product Certifications

Certifications Received

None

Organizations like the International Electrotechnical Commission (IEC) and Underwriters Laboratories (UL) create national and international standards for inverter systems to ensure any products on the market meet certain specifications for safety and reliability reasons.

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