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  Morningstar SunGuard SG-4, PWM Single Module Controller, 4.5 Amp, 12 Volt
  Morningstar SunGuard SG-4, PWM Single Module Controller, 4.5 Amp, 12 Volt
Morningstar SunGuard SG-4, PWM Single Module Controller, 4.5 Amp, 12 Volt
Morningstar SunGuard SG-4
  
Our Price: $23.95


Product Code: MORNINGSTAR-SUNGUARD-SG-4
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Description
 
Morningstar SunGuard SG-4, PWM Single Module Controller
Rated Solar Current: 4.5 Amp
Rated Load Current: None
System Voltage: 12 Volts
Warranty: 5 Year Manufacturer

Detailed Description:
Morningstar's SunGuard SG-4 is the world's leading single module controller. We have combined all the advantages of our SunSaver charging circuit with less expensive packaging to provide an economical controller for small PV systems. Morningstar’s SunGuard is the most advanced small, economical solar charge controller on the market today.

The MorningStar SunGuard is a fully epoxy encapsulated outdoor rated 4.5A "ice cube" sized 12V PWM charge controller. It has built-in temperature compensation, lightning protection and easy 4-wire hookup. The SunGuard's regulation voltage is set at 14.1 (best for sealed or gel batteries) and is not adjustable for battery type like MorningStar's other controllers. It's dimensions are 2.5" x 2.0" x 1.5" and it weighs just 3 oz.

Features:

  • ISO 9002 quality programs
  • Series design (not shunt)
  • 100% solid state
  • True 0 to 100% PWM duty cycle
  • Setpoint accuracy to 60 mV
  • Temperature compensation
  • Rated for 25% overloads
  • No need to derate
  • Lightning protected with 1500 W transorbs
  • Self-consumption is 6 mA
  • Fully encapsulated in epoxy potting
  • ABS plastic, impact-resistant case
  • Outdoor rated, Hypalon connecting wires
Standard Controller Features
  • Temperature compensation
  • High level of lightning protection
  • Computerized production testing
  • Ambient temperatures of -40° C to + 60° C
  • Expected 15 year life
  • Parallel capability for higher current ratings
  • Easy to use
  • Constant voltage, PWM series charging
  • Reverse current protection (at night)
  • ISO 9002 manufacturing
  • High efficiency, low self-consumption
  • Tropicalization: Epoxy or conformal coating
  • Five year warranty
  • No need to derate - 25% design margin

SunGuard's Technology Provides:
  • Exceptional Reliability
  • PWM Battery Charging
  • Consistent High Quality
  • Low Cost
The SunGuard is able to match the quality and performance of the world-leading SunSaver controllers because:
  • SunGuards are made on the same high speed, automated production lines
  • SunGuards use the same charging circuit
  • SunGuards use the same high quality components

 INSTALLATION

   1. MorningStar SunGuard can be mounted in any position. It is best to mount to a vertical surface and allow space for air flow through the controller.

   2. First connect the Battery BLACK wire (negative) to the battery. Use either black wire since they are connected together inside the controller.

   3. Connect the RED Battery positive wire to the battery.

   4. Connect the Solar array using the other BLACK wire and the YELLOW Solar positive wire. Be very careful not to short circuit the solar array, or the controller will be damaged.

   5. SunGuard prevents reverse current leakage at night, so a blocking diode is not required in the system.

   6. A negative earth ground at the battery is recommended for most effective lightning protection.

   7. SunGuard can be mounted outdoors. Do not expose to ambient temperatures above 60°C. Make sure that water will drain from inside the case.
 

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