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Low Voltage Disconnect Controller, 12V-40V DC-AC Smart Battery Protection Module with Adjustable Cutoff, Silent Solid-State Switch, Real-Time Voltage Monitoring for RV, Solar System, and AC Projects
Brand: UTKFHT
Condition: Used
$3563
$4999
-29% Save $1436
Updated: 3 days ago
Description
All-in-One Smart Protection: Combines voltage monitoring, low-voltage regulation, and automatic cutoff in one compact module. Simplifies wiring and eliminates multiple external relays or protection boards, delivering complete power management for solar, RV, or DIY AC systems
Adjustable Voltage Thresholds: Supports DC 12V–40V input and controls AC 5V–60V output circuits. Precisely set your own low-voltage cutoff and reconnect levels to prevent over-discharge and protect batteries, inverters, and other sensitive electronics
Silent and Reliable Solid-State Design: Features a noiseless, arc-free electronic switch instead of a traditional relay. No contact wear or electromagnetic interference—ensuring long service life and stable performance in high-demand environments
Durable Sealed Housing: Fully enclosed protective case shields internal components from dust, moisture, and physical impact. Designed for both indoor and outdoor use, maintaining performance even in harsh RV or off-grid solar conditions
Wide Application Range: Perfect for RVs, solar power systems, car batteries, DIY electric projects, or kids’ ride-on vehicle upgrades. Provides precise voltage control and reliable cutoff to prevent deep discharge or system damage
The Low Voltage Disconnect Controller is an intelligent power protection device that integrates real-time voltage monitoring, cutoff control, and solid-state switching into one compact unit.
Unlike traditional relay-based protectors, this advanced design uses a contactless electronic switch, offering zero noise, zero arcing, and extended service life for uninterrupted reliability.
With support for DC 12–40V input and control over 5–60V circuits, it provides accurate and adjustable voltage thresholds for both cutoff and recovery. This ensures your batteries, solar systems, and AC devices are always protected from undervoltage conditions.
Its sealed, dustproof housing ensures safe operation in challenging environments—from RV and camper installations to off-grid solar systems and high-current AC projects. Whether you’re protecting a deep-cycle battery bank or upgrading a 24V ride-on car, this versatile controller gives you peace of mind with smart, silent, and stable voltage protection.
Note: The controller only cuts off the controlled circuit; its own module remains powered. To avoid excessive battery drain, disconnect the main power supply when voltage is too low and recharge promptly.
Unlike traditional relay-based protectors, this advanced design uses a contactless electronic switch, offering zero noise, zero arcing, and extended service life for uninterrupted reliability.
With support for DC 12–40V input and control over 5–60V circuits, it provides accurate and adjustable voltage thresholds for both cutoff and recovery. This ensures your batteries, solar systems, and AC devices are always protected from undervoltage conditions.
Its sealed, dustproof housing ensures safe operation in challenging environments—from RV and camper installations to off-grid solar systems and high-current AC projects. Whether you’re protecting a deep-cycle battery bank or upgrading a 24V ride-on car, this versatile controller gives you peace of mind with smart, silent, and stable voltage protection.
Note: The controller only cuts off the controlled circuit; its own module remains powered. To avoid excessive battery drain, disconnect the main power supply when voltage is too low and recharge promptly.
Sold by
Amazon Warehouse
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- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0fnwf1w7f
- Model:
- LVC330827
- Country:
- US
- ASIN:
- B0FNWF1W7F
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $14 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for UTKFHT products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.