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| Model Options | GS-MPPT-60M-200V / 80M-200V / 100M-200V |
| Maximum Battery Current | 60A / 80A / 100A |
| Maximum Input Voltage | 200V DC |
| Nominal Operating Voltage | 12-24-48V DC |
| Battery Voltage Range | 9V - 72V DC |
| Load Control Current | 30A DC (all models) |
| Peak Efficiency | 99% |
| Self-Consumption | < 2.4W (12/24V) / < 3.2W (48V) |
| Operating Temperature | -22°F to 140°F (-30°C to +60°C) |
| Maximum PV Input Power | 1200W-2000W / 2400W-4000W / 3200W-8000W |
| Battery Chemistries | Lithium, Lead-Acid, NiCd, Flow |
| Weight | 14.6-16.4 lbs (6.6-7.5 kg) |
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Morningstar GenStar MPPT DC Solar System Controller
SKU MS-GENSTAR-MPPT-CONTROLLER
GenStar MPPT DC System Controller
The Morningstar GenStar MPPT represents the next generation of intelligent solar charge controllers, combining proven TrakStar MPPT technology with innovative ReadyRail expansion capabilities. Available in 60A, 80A, and 100A configurations, these controllers deliver 99% peak efficiency while supporting 12V to 48V battery systems with 200V maximum input voltage. The GenStar series features integrated lithium battery support, fanless operation, and comprehensive network connectivity.
GenStar MPPT Features
- TrakStar MPPT Technology: Morningstar's proven maximum power point tracking algorithm achieves 99% peak efficiency with four-phase energy conversion circuitry and DirectFET MOSFET power devices for superior heat management and array isolation.
- Comprehensive Network Integration: Built-in Modbus via RS-232/USB/EIA-485, ModbusIP and SNMP via Ethernet, Bluetooth LE wireless connectivity, and MS-CAN for Morningstar device networks - all without requiring adapters.
- Fanless Thermal Design: Precision-extruded aluminum heat sink with tapered fins eliminates cooling fans, improving efficiency and reliability while withstanding temperatures exceeding 212°F (100°C).
- PV Array Oversizing Support: Input power rating at 150% of nominal output accommodates modern system designs requiring oversized solar arrays for maximum energy harvest throughout varying conditions.
ReadyBlock Expansion Technology
Unlike external accessories that require separate wiring and communication protocols, ReadyBlock modules snap directly into the controller for instant integration.
- ReadyShunt - Advanced battery monitoring and DC current sensing for accurate state of charge (SOC) calculations, energy tracking (amp-hours in/out), and comprehensive current measurement for all system sources and loads
- ReadyBMS - Direct lithium battery management system interface providing full closed-loop communications and control for optimal charging profiles and battery protection
- ReadyRelay - Programmable relay controller for dry contact signaling, system alarms, and advanced load control automation beyond the built-in 30A load capability
MorningStar GenStar MPPT DC System Controller Review
The GenStar MPPT series represents a significant advancement in solar charge controller design, delivering exceptional power conversion efficiency through four-phase energy conversion and DirectFET MOSFET technology. With 99% peak efficiency and comprehensive PV array oversizing support up to 150% of nominal output, these controllers maximize energy harvest across varying environmental conditions. The integrated 30A load control capability, unique in this power class, eliminates the need for external load controllers in many installations.
The ReadyRail expansion architecture distinguishes the GenStar from conventional charge controllers by enabling true hardware integration of advanced features. This modular approach provides genuine future-proofing capabilities, allowing system upgrades without controller replacement. Combined with comprehensive network connectivity including Modbus, Ethernet, and Bluetooth protocols, the GenStar series delivers enterprise-level monitoring and control capabilities suitable for both residential and commercial solar installations requiring long-term reliability and scalability.
Get Full Closed Loop BMS Communications with these LFP Partners
GenStar MPPT ReadyRail Expansion Options
ReadyShunt
- Provides precision battery monitoring through integrated current sensing and state-of-charge calculations
- Monitor critical metrics including energy flow (amp-hours in/out), current measurement, and battery health indicators
- Snap-in installation with simple battery connections delivers instant system visibility and monitoring capabilities
ReadyBMS
- Integrates lithium battery intelligence through true closed-loop communications with Tier 2 battery manufacturers
- Currently supports two-way communication with Discover and PylonTech LiFePO4 batteries for optimal charging profiles
- Part of Morningstar's Energy Storage Partner program with additional battery partnerships continuously added
ReadyRelay
- Snaps directly into ReadyRail-equipped controllers for advanced load control and system automation
- Program custom start/stop sequences for generators and fuel cells, or schedule ON/OFF control for lights, fans, and other loads
- Simple wiring connections enable dry contact signaling and alarm conditions for comprehensive system management
Different solar panels, PV mounts, storage, & inverter systems available at low wholesale prices
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