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SolaX X3-ULT-30K AFCI – 30kW Hybrid Solar Inverter with Integrated Arc Fault Protection for Commercial PV Systems
High-Performance 30kW Hybrid Inverter with 60kWp PV Input and UPS-Level Backup
The SolaX X3-ULT-30K AFCI is a three-phase 30kW hybrid solar inverter designed specifically for commercial solar PV systems requiring enhanced electrical safety and compliance. Equipped with integrated Arc Fault Circuit Interrupter (AFCI) technology, this model actively detects and isolates DC arc faults, significantly reducing fire risk in high-power solar installations.
As part of the SolaX X3-ULTRA platform, this inverter combines high PV input capacity, advanced hybrid energy control, and real-time safety monitoring, making it suitable for solar PV supplier portfolios, EPC projects, and solar wholesaler deployments across Europe.
Electrical Architecture & High-Power PV Design
The SolaX X3-ULT-30K AFCI is engineered for large-scale PV systems with demanding performance requirements:
- Rated AC output: 30,000 VA (3-phase)
- Recommended PV input power: up to 60,000 Wp
- 3 independent MPPT trackers
- 2 strings per MPPT
- Maximum input current: 36 A per MPPT
- PV voltage range: 120 – 950 V
- Supports up to 200% DC oversizing
This architecture supports modern high-efficiency solar panels and complex string layouts, enabling optimized yield across commercial rooftops and distributed energy systems.
High-Voltage Solar Battery Integration
The inverter is designed for seamless integration into energy storage systems:
- Battery voltage range: 120 – 800 V
- Maximum charge/discharge current: 60 A
- Compatible with high-voltage lithium solar battery systems
- Supports hybrid operation, self-consumption, and peak shaving
This enables full system design for solar distributors offering complete kits combining solar inverter, solar battery, and energy storage solutions.
Integrated AFCI Technology for Fire Risk Mitigation
The defining feature of this model is its embedded AFCI protection system:
- Continuous monitoring of DC arc faults
- Real-time interruption of abnormal current signatures
- Automatic system shutdown upon fault detection
- Reduced risk of electrical fire in PV arrays
- Increased compliance with modern electrical safety standards
This functionality is critical for installations in commercial buildings, logistics facilities, agricultural environments, and any site where fire prevention is a key requirement.
Unlike standard hybrid inverters, the AFCI version is specifically suited for projects where system safety certification, insurance compliance, or risk mitigation is mandatory.
Hybrid Control & Energy Management
The SolaX X3-ULT-30K AFCI integrates advanced control logic for energy optimization:
- Self-consumption management
- Time-of-use scheduling
- Peak shaving for commercial tariffs
- Smart load control (EV chargers, heat pumps)
- Shadow tracking algorithms
- Generator and microgrid compatibility
- Parallel operation up to 10 units
This enables scalable energy storage systems and intelligent hybrid PV installations across a wide range of applications.
Backup Power & Grid Independence
- EPS functionality with <10 ms transfer time
- High peak backup output capability
- Supports critical load circuits
This ensures continuity of power in grid outage scenarios, supporting energy resilience strategies in commercial environments.
Mechanical Design & Installation Parameters
- IP66-rated enclosure for indoor and outdoor use
- Integrated Type II surge protection (AC/DC)
- AFCI integrated at system level
- Dimensions: 696 × 526 × 240 mm
- Weight: approx. 46 kg
The inverter is designed for fast installation, long-term durability, and stable operation in European climate conditions.
Application
The SolaX X3-ULT-30K AFCI is specifically suited for:
- Commercial solar PV systems with safety requirements
- Industrial rooftop installations
- Agricultural and rural energy storage systems
- Logistics and warehouse facilities
- Projects requiring AFCI compliance or fire risk mitigation
- Complete solar kits with integrated safety features
Why Choose the AFCI Version Over Standard Models
- Integrated arc fault protection for advanced safety
- Reduced fire risk in high-voltage DC systems
- Improved compliance with safety regulations and insurance requirements
- Designed for professional EPC and solar wholesaler projects
- Fully compatible with solar battery and energy storage systems
Compliance & Product Family Downloads
The X3-ULTRA family is published by SolaX with official product page and under this product just bellow, downloads including Datasheet, User Manual, Quick Installation Guide, Certificates and Declarations. For project design, procurement, and commissioning, installers should always verify the latest official compatibility lists, local grid-code requirements, and current firmware support before installation.
SolaX X3-ULT-30K vs SolaX X3-ULT-30K AFCI – Key Differences
When selecting a hybrid solar inverter for commercial solar PV and energy storage systems, understanding the difference between the standard and AFCI version is critical.
Standard SolaX X3-ULT-30K
- Designed for high-performance hybrid PV systems
- Supports solar battery integration and energy storage
- Optimized for self-consumption and peak shaving
- Suitable for general residential and commercial installations
SolaX X3-ULT-30K AFCI Version
- Includes integrated Arc Fault Circuit Interrupter (AFCI)
- Detects and interrupts DC arc faults in real time
- Significantly reduces fire risk in PV systems
- Supports compliance with advanced safety regulations
- Recommended for commercial, industrial, and high-risk installations
- Preferred by EPCs, solar distributors, and solar wholesalers for safety-critical projects
Which Version Should You Choose?
- Choose the standard version for performance-focused installations where AFCI is not required
- Choose the AFCI version for projects where fire safety, compliance, and risk mitigation are critical
For professional solar PV suppliers, installers, and EPC companies, the AFCI version offers a strong advantage in regulated markets and high-value commercial energy storage systems.
Product Datasheet and Downloads
FAQ: SolaX X3H-ULT-30K 30kW Hybrid Solar Inverter
Yes. The SolaX X3H-ULT-30K is a hybrid inverter platform designed for high-voltage battery integration, with an official battery voltage range of 120 – 800 V and maximum battery charge/discharge current of 60 A. Installers should always confirm the latest approved battery compatibility list and firmware requirements before commissioning.
Yes. The X3H-ULT-30K supports up to 200% PV oversizing and has a recommended PV array size of up to 60,000 Wp. This makes it a strong option for solar panels with multiple roof orientations, high-power modules, and commercial energy storage designs that aim to maximize annual yield.
Yes. The inverter supports EPS functionality with UPS-level switchover time below 10 ms and peak EPS output power up to two times rated power for 10 seconds. Final backup performance depends on battery configuration, system design, local wiring rules, and commissioning settings.
Yes. The X3H-ULT-30K is part of the SolaX X3-ULTRA platform, which supports up to 10 units in parallel for on-grid and off-grid operation and includes microgrid and generator functionality for versatile commercial and industrial system design.
Yes. With 30kW three-phase output, 3 MPPTs, 60kWp recommended PV input, high-voltage battery support, smart load management, and strong backup capability, the SolaX X3H-ULT-30K is designed for demanding commercial solar inverter, solar battery, and energy storage applications as well as high-end complete solar kits.
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