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SureSine

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The SureSine™ off-grid inverter line delivers dependable pure sine wave AC power for the world’s most demanding off-grid applications. Available in six power classes, SureSine combines industrial-grade construction with exceptional power quality to support reliable, long-term operation in harsh environments. Select models feature premium toroidal transformers for enhanced sine wave stability and performance. 

Six power classes from 150W to 2,500W with 120V or 230V AC output and 12V, 24V, or 48V DC input options to support a wide range of off-grid applications.

Simple setup and monitoring with Bluetooth® connectivity and wireless Android™ and iOS® mobile apps.

Flexible system integration with RS-485, USB, Ethernet, MS-CAN, Bluetooth®, and industry-standard Modbus communications.

Industrial-grade construction featuring premium toroidal transformers on select models for exceptional power quality, sine wave stability, and dependable operation in mission-critical environments.

Outstanding thermal performance with a fanless design that delivers reliable operation in high-temperature environments while reducing maintenance and increasing long-term reliability.

Flexible remote control options with AC hardwired remote terminals available on select models.

Certified for confidence with industry-recognized NRTL safety, performance, and low-noise certifications to support reliable, standards-compliant installations.

Flexible AC output options with hardwire terminals available across the lineup, plus regional receptacle options on select 150W, 300W, and 700W models for simplified installation. 

Note: Wireless Android and iOS mobile apps included for set-up and monitoring with remote devices.

Specifications & Certifications

Power Output Models 150W SureSine

150W

300W SureSine

300W

700W SureSine

700W

1000W SureSine

1,000W

1250W SureSine

1,250W

2500W SureSine

2,500W

*power derating at high ambient temperatures 40 C and above.
Rated Battery Voltage 12, 24 or 48V 12, 24 or 48V 12, 24 or 48V 24 or 48V 24 or 48V 48V
Min. Battery Operating Voltage 10.5/21.0/42.0V 10.5/21.0/42.0V 10.5/21.0/42.0V 21.0/42.0V 21.0/42.0V 42.0V
Max. Operating Battery Voltage 16.5/33.0/66.0V 16.5/33.0/66.0V 16.5/33.0/66.0V 33.0/66.0V 33.0/66.0V 66.0V
Continuous Power@25C 150W 300W 700W 1,000W 1,250W 2,500W
Power Surge @40C (<5 sec) 300W 600W 1,400W 2,000W 2,500W 5,000W
1 minute Surge Power 225W 450W 1,050W 1,500W 1,875W 3,750W
3 minute Surge Power 180W 360W 840W 1,200W 1,500W 3,000W
Operating Temperature Range -40 C to +60C -40 C to +60C -40 C to +60C -40 C to +60C -40 C to +60C -40 C to +60C
Peak Efficiency 89/89/90% 91/91/92% 91/90/92% 93/93% 93/94% 95%
Output Voltage Model Options 120/230V +/-5% 120/230V +/-5% 120/230V +/-5% 120/230V +/-5% 120/230V +/-5% 120/230V +/-5%
Output Frequency Options 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Waveform Pure Sine Wave Pure Sine Wave Pure Sine Wave Pure Sine Wave Pure Sine Wave Pure Sine Wave
Total Harmonic Distortion (THD) <2% <2% <2% <2% <2% <2%
Self-Consumption (AC Output Off) <2.3W <2.3W <2.3W <2.3W <2.3W <2.3W
Fanless natural convection cooling Yes Yes Yes Yes Yes Yes
Operational Humidity Level 100% 100% 100% 100% 100% 100%
RS485, MS-CAN Yes Yes Yes Yes Yes Yes
USB, Ethernet No No Yes Yes Yes Yes
Bluetooth, Android & iOS Apps Yes Yes Yes Yes Yes Yes
IEC-62109-1, IEC 62109-2, IEC 62368-1 Yes Yes Yes Yes Yes Yes
IEC/EN 61000, IEC/EN 55032, IEC/EN 55011 Yes Yes Yes Yes Yes Yes
UL 1741 Yes Yes Yes Yes Yes Yes
UL 458 (pending) Yes Yes Yes Yes Yes Yes
CE/UKCA compliant Yes Yes Yes Yes Yes Yes
Data Storage (4MB/5 years internal) Yes Yes Yes Yes Yes Yes
IP Rating IP20 IP20 IP20 IP20 IP20 IP20
Manufactured in a Certified ISO 9001 Facility Yes Yes Yes Yes Yes Yes
Warranty 5 Years 5 Years 5 Years 5 Years 5 Years 5 Years
Key Features

Inverter Functions: DC/AC conversion with pure sinewave
output

  • Superior industrial-grade product design and manufacturing
  • Engineered for system-level integration and communication with Morningstar charge controllers
  • Communication ports: RS485 USB, Ethernet, MS-CAN, Bluetooth while using industry-standard MODBUS protocol
  • Wireless Android and iOS utility apps included for set-up and monitoring with remote devices
  • AC hardwire terminal option available on selected models (all power ranges and frequencies)
  • Remote On/Off improves safety and enables control in inaccessible locations
  • Auxiliary Power Output (700-2500 W models) provides power for an EIA-485 bus or other small DC loads
  • Overbuilt, industrial-grade low-frequency transformer for improved sinewave stability
  • Fanless convection cooling with extruded aluminum heat sinking, for maximum efficiency and reliability
  • Status LEDs for both System and AC Sinewave output, to ensure reliable operation and notify of any system alerts
  • Industry leading safety, low-noise and high performance NRTL certifications for reliability and system conformance
  • Configuration can be achieved via manual DIP switch configuration or digitally programmable custom setpoints
Videos

Introducing Morningstar's New SureSine Off-Grid Inverter Line |

Ten minute video showcasing six new off-grid inverter models from 150-2,500W with 120 or 230V output and 12, 24 or 48V DC input options to cover a wide range of applications.

SureSine Mobile Utility Bluetooth App Video |

Brief video to show users how to use the Android SureSine Bluetooth app to view real time and historical data, send control commands, adjust settings, and update firmware.