fits year: 2028.

( Brand: Hartman Electrical ), ( Manufacturer Part Number: E-308AH ), ( Part Type: Unit ), ( Compatible Make: Avionics )
The Hartman Electrical E-308AH AC Undervoltage Protector is a reliable and essential device designed to safeguard your battery bank from the damaging effects of undervoltage conditions in your off-grid or renewable energy system. This high-performance unit is capable of delivering 308 ampere-hours (Ah) and operates on a 28-volt direct current (VDC) system.
The E-308AH is meticulously constructed to provide optimal protection against AC undervoltage conditions. It employs a sophisticated microprocessor-based control system that continuously monitors the input AC voltage and compares it against the user-set threshold. When the AC voltage falls below the predetermined level, the unit automatically disconnects the AC power source to prevent potential damage to the battery bank.
This undervoltage protector boasts a robust and efficient design, with a compact form factor that makes it easy to install in various applications. Its robust construction ensures reliable operation in harsh environments, while its user-friendly interface allows for simple configuration and adjustment of the voltage settings.
The E-308AH features a reverse polarity protection system that safeguards against incorrect wiring connections, ensuring the unit's longevity and optimal performance. Additionally, it is equipped with a built-in bypass contactor that automatically re-energizes the AC power source once the voltage rises above the pre-set threshold, ensuring seamless power restoration.
This undervoltage protector is designed to work in harmony with a wide range of battery types, including flooded, sealed, and AGM batteries. Its versatile design caters to various off-grid and renewable energy systems, making it an indispensable component for those seeking to harness the power of clean, sustainable energy sources.
With its unwavering commitment to reliability, efficiency, and safety, the Hartman Electrical E-308AH AC Undervoltage Protector is a must-have for anyone looking to optimize their off-grid or renewable energy system and protect their valuable battery investment.
The Hartman Electrical E-308AH AC Undervoltage Protector is a device designed to protect batteries from being overcharged or undercharged by regulating the voltage input to the battery. Here are some pros and cons of buying this unit:
Pros:1. Automatic Voltage Regulation (AVR): The Hartman E-308AH features an automatic voltage regulation system that maintains a constant voltage output, ensuring optimal battery charging and preventing damage due to under or overcharging.
2. Wide Input Voltage Range: This unit can handle a wide range of input voltages (100-280V AC), making it suitable for various charging applications.
3. Rugged Construction: The Hartman E-308AH is built with a heavy-duty, powder-coated aluminum housing, ensuring durability and resistance to harsh environments.
4. Easy Installation: The device comes with easy-to-follow installation instructions and features quick-connect terminals for easy wiring.
5. Overcharge Protection: The unit automatically disconnects the battery when it is fully charged, preventing overcharging and extending the life of the battery.
Cons:1. Limited Output Current: The Hartman E-308AH can only deliver a maximum output current of 30 amps, which may not be sufficient for high-current charging applications.
2. Manual Override: The unit does not have an automatic shut-off feature when the battery is fully charged, and the user must manually disconnect the battery to prevent overcharging.
3. Size and Weight: The device is relatively large and heavy, which may make it less portable for some applications.
4. Price: The Hartman E-308AH is priced higher than some comparable units on the market.
Conclusion:The Hartman Electrical E-308AH AC Undervoltage Protector is a reliable and robust solution for regulating voltage input to batteries, ensuring optimal charging and preventing damage due to under or overcharging. Its wide input voltage range, rugged construction, and easy installation make it a popular choice for various charging applications. However, its limited output current, manual override, size, and weight, and higher price compared to some competitors may be drawbacks for some users. Ultimately, the decision to purchase this unit depends on the specific charging requirements and budget of the user.
Recommendation:If you require a device to regulate voltage input to a battery and have a budget for a reliable and robust solution, the Hartman Electrical E-308AH AC Undervoltage Protector is a solid choice. Its automatic voltage regulation system, wide input voltage range, and rugged construction make it an excellent investment for maintaining and extending the life of your battery. However, if you have high-current charging requirements, a smaller budget, or prefer a more portable solution, you may want to consider other options on the market.
Airworthiness can only be determined by the FAA approved mechanic installing said item. Hartman Electrical E-308AH.C. All Manuals are for reference only. Any is for the sole purpose of identifying an item.