InstaGen 2.5kW 1ph String Inverter 1 MPPT

The InstaGen 2.5kW 1ph String Inverter (1 MPPT) is a compact, single-phase grid-tied inverter designed for small to medium residential PV systems, offering a cost-effective solution with simple single-MPPT design and robust outdoor-rated construction.

Product Description

Positioned above the 1.5kW model in the InstaGen on-grid range, this 2.5kW inverter is ideal for modest rooftop arrays using a single orientation or pitch. It features a wide MPPT voltage window, natural convection cooling and plug-and-play terminals, ensuring straightforward installation and reliable daily operation.

Key Features

• Single MPPT: Optimised for arrays on a single aspect or string, simplifying system design and commissioning.
• High efficiency: Max efficiency around 97% for strong generation performance in a compact chassis.
• Convenient installation: Plug-and-play DC/AC terminals and lightweight housing for quick mounting.
• Outdoor ready: IP65 enclosure suitable for indoor or outdoor wall mounting.
• Quiet operation: Fanless, natural convection cooling with no moving parts.
• Smart monitoring: App-based setup and data viewing (via WiFi dongle or integrated comms, depending on bundle).

Electrical Specifications

• Rated AC output power: 2.5 kW, 230V, 50Hz single-phase.
• Max. efficiency: up to ~97–97.5%.
• MPPT voltage range: approx. 50–450 V DC.
• Max. DC input voltage: 500–600 V DC.
• Number of MPPTs / strings: 1 MPPT, 1 string input.
• AC overloading capability: up to 110% continuous AC output.
• Power factor & THD: PF ≥ 0.99 at rated power; THD < 3%.

Physical Specifications

• Enclosure rating: IP65 for indoor or outdoor installation.
• Cooling: Natural convection, no internal fan.
• Mounting: Wall-mount with supplied bracket.
• User interface: OLED/LCD display with buttons plus app-based commissioning and data management.

System & Application Notes

• Application: Best suited to small PV arrays on a single roof pitch or aspect where 1 MPPT is sufficient.
• Grid standards: Designed for UK single-phase G98/G99-compliant systems (exact certification via product datasheet).
• Monitoring: Compatible with InstaGen or partner monitoring apps via WiFi or web portal, enabling remote performance checks.
• Warranty: Typical manufacturer warranty 10 years for this inverter class; confirm exact term with supplier.