Morningstar Controllers

The ProStar features highly accurate set points, low voltage drops, and sealed & flooded control parameters. Self-diagnostic testing provides assurance the controller is working correctly or indicates a fault is present. The self-diagnostics plus the currents displayed in the digital meter will provide a comprehensive test of the controller. The ProStar’s constant voltage PWM regulation uses 4 stages of charging including boost charging. Battery type selections are made via rotary switch and include gel, sealed or flooded. ProStar provides higher charging efficiency, increases the battery capacity, reduces water loss, and extends the life of the battery.  Five-year limited warranty. - Low voltage disconnect - Operating temperatures of -40°C to +85°C - PWM battery charging - Automatic equalization of wet batteries -  PG models are positive ground - Temperature compensation
 

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SunSaver’s battery charging design closely copies the ProStar’s advanced charging algorithm. The series PWM algorithm is very stable, yet responds instantly to changing conditions. The constant voltage PWM charging is a proven advancement compared to the common on/off PV regulators. Five-year limited warranty.  L models include Low Voltage Disconnect.  Features: True 0-100% PWM duty cycle - Field selectable for sealed or flooded battery - Temperature compensation  - Series design for constant voltage charging - Pulse charging - Approved for use in hazardous - (Class 1, Div 2, groups A,B,C,D) locations - UL1604 listed and CSA 22.2 (Canada) - Operating temperatures of -40°C to +85°C
 

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SunGuard-4 The SunGuard is an economical controller that uses the same charging circuit as the SunSaver controller. It offers true 0-100% PWM duty cycle and set point accuracy to 60mV. The SunGuard is fully encapsulated in epoxy potting and has an ABS plastic, impact-resistant case. Five-year limited warranty.  Features:  Temperature compensation - Series design - Lightning protected - No need to derate - Outdoor rated - Operating temperatures of -40°C to +85°C
 

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The SunLight solar lighting controller combines the SunSaver PWM battery charging circuit with a microcontroller for automatic lighting functions. The SunLight features a rotary switch to select among ten lighting time options including pre-dawn settings and LVD override protection. Detects day and night using the PV array. Five-year limited warranty. Features: - Sealed/flooded battery select - Temperature compensation - Parallel operation compatible - Adjustable 2-10 hours, 4 + 2, 6 + 2 or dusk to dawn
 

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The TriStar is a three-function controller providing reliable solar battery charging, load control or diversion regulation. This controller operates in only one of these modes at a time but two or more controllers may be used to provide multiple functions. The digital meter option displays self-test results, system information and controller set points. Remote temperature sensor option rated from -30ºC (-22ºF) to +80ºC (+176ºF). White power-coated steel, indoor rated, vertical mounting enclosure. UL listed. Five-year warranty. Features:  Standard model switch selectable for 12/24V or 48V battery - Choice of 7 regulation or LVD set points - Conduit-ready enclosure for large wire sizes - RS-232 comm port provides custom set points - Self test runs continuously  Charge Controller Mode: - Temperature compensation - PWM may be changed to “on-off” controller to minimize any possible telecom noise Load Control Mode: - Starts all loads including inductive - Short circuit and overload protection with automatic reconnect Diversion Control Mode: - May be used for solar, wind or hydroelectric
 

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