Outback Power FLEXmax 100 AFCI 100A MPPT Solar Charge Controller
The FLEXmax 100 from OutBack Power is the most advanced MPPT solar charge controller technology and power solution.
Designed with 15 years of experience manufacturing products for fault intolerant, mission-critical applications, OutBack’s FLEXmax 100 delivers a high quality and reliable MPPT solar charge controller. The FLEXmax 100 has passed extensive quality and reliability testing, including Highly Accelerated Life Testing (HALT).
The compact, outdoor-rated enclosure keeps dust and moisture from damaging internal components. With the addition of arc and ground fault protection, and rapid shutdown capacitor discharge, the FLEXmax 100 is the most versatile high power MPPT controller on the market. Configuring the FLEXmax 100 in your system is easy with 128 days of built-in data storage, smart programming wizards (MATE3s required), and connectivity with OPTICS RE, so you can monitor, command, and control from one location.
The FLEXmax 100 charges your batteries faster. This allows you to sell energy to the grid faster, and maximize your return on investment. The FLEXmax 100 has the best price to power ratio on the market.
Product Highlights:
- 100A output for up to 6kW of charging
- Updated MPPT software algorithm improves energy harvest vs other controllers
- 300VDC open-circuit voltage limit enables 2-4 string configuration to minimize BOS
- Programmable auxiliary control output for smart load controls
- Standard 5 year warranty upgraded to 7,000W of nameplate solar power at 48V
- Integrated arc fault circuit detection and interruption for optimized systems
Solar Charge Controller Specifications:
| Nominal Battery System Voltage | 24VDC / 36VDC / 48VDC |
| Maximum Continuous Output Current | 100A |
| Maximum Input Current (Short-Circuit) | 64A |
| Maximum Array (STC Nameplate) | 3500W / 5250W / 7000W (charging output limited to 100A at battery voltage) |
| Maximum PV System Voltage | 300VDC |
| Operating Input Voltage Range | 30VDC to 290VDC |
| Standby Power Consumption | ~2.5W |
| Power Conversion Efficiency | 24V: 96% 48V: 97% |
| Peak Efficiency | 24V: 97.5% 48V: 98.8% |
| Charging Regulation | Three-stage |
| Voltage Regulation Set Points | Absorption, float and equalization |
| Equalization Charging | Programmable start time, voltage set point and duration, automatic termination when completed |
| Battery Temperature Compensation | Adjustable from 2mV/cell/°C to 6mV/cell/°C |
| Voltage Step-Down Capability | Down convert from any acceptable array voltage to any battery voltage |
| Programmable Auxiliary Control Output | 12VDC output signal which can be programmed for different control applications |
| Status Display | LED indicators |
| Remote Display and Controller | MATE3s compatible |
| Network Cabling | Proprietary network system using RJ-45 modular connectors |
| Operating Temperature Range | Ambient, -25°C to 60°C (-13°F to 140°F), output power reduced above 25°C |
| Ingress Protection Rating | P54 |
| Enclosure Type | 3R |
| Data Logging | 128 days |
| Conduit Knockouts | Bottom and sides |
| Warranty | 5 years |
| Weight (lb/kg) | Unit: 16 / 7.3 |
| Dimensions H x W x D (in/cm) | Unit: 23 x 8.8 x 6 / 58.4 x 22.4 x 15.2 |
| Options | Remote Temperature Sensor (RTS), HUB4, HUB10.3, MATE3s |
| Certifications | UL 1741, CSA C22.2 No. 107.1, IEC 62109-1 |
| Minimum Battery Bank Size | 100Ah |
| Charging Range (Output) | 20VDC to 68VDC |
| Additional Features | Built-in and field replaceable arc fault circuit detection and interruption (AFCI), GFCI, and cooling fan |
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