PJERJZN Automatic Transfer Switch 120V 240V 100Amp Transferencia Automática Adjustable Overcurrent Overvoltage Undervoltage Protection Voltage Cutoff for Power Generator Inverter RV(4P 100A)

Name: PJERJZN Automatic Transfer Switch 120V 240V 100Amp Transferencia Automática Adjustable Overcurrent Overvoltage Undervoltage Protection Voltage Cutoff for Power Generator Inverter RV(4P 100A)
Brand: Pjerjzn
SKU: awhd-us-b0fq4xpxww
Price: 49.49 USD
Availability: InStock

Brand: Pjerjzn

Condition: Used

$49⁴⁹

$54⁹⁹

-10% Save $5⁵⁰

Updated: 3 days ago

Buy at Amazon.com

Description

Smart Auto-Manual Dual Mode & Microcontroller Precision ⚡️ Automatic Switching: Instantly detects grid failures (L1) and switches to backup power (L2) within seconds using advanced microcontroller tech. ⚡️ Manual Control: Override automation anytime to manually select L1/L2 power sources via intuitive interface

Fully Adjustable Triple-Layer Protection 🔒 Pre-Set & Customizable: Factory settings suit most applications, while adjustable thresholds let you fine-tune overvoltage (OV), undervoltage (UV), and overcurrent (OC) protection for specialized needs. 🔒 Grid/Generator/Inverter Safeguard: Shields sensitive equipment from surges, drops, and overloads across all power sources

Real-Time HD LED Monitoring System 📊 4-Status Visual Alerts: Instantly identify grid/generator/inverter activity, voltage stability, and fault codes via color-coded indicators. 📊 Voltage Display: Track live voltage readings (120V/240V) on the built-in screen – no external meters needed

15-Minute DIN Rail Installation 🛠️ Tool-Free Mounting: Secures to standard 35mm DIN rails (free rail included). Compact design fits crowded electrical panels. 🛠️ Relocate Effortlessly: Slide-adjust for flexible positioning in cabinets, RV power centers, or solar setups

Mission-Critical Reliability for Demanding Sites 🏥 Hospital/Data Center Ready: Trusted by commercial buildings, healthcare facilities, and telecom stations for uninterrupted power. 🏥 Industrial-Grade Resilience: Operates flawlessly in -22°F to 140°F environments with corrosion-resistant terminals

PJERJZN Automatic Transfer Switch - 120V/240V 63A Adjustable Circuit Breaker Overcurrent Overvoltage Undervoltage Protection Low Voltage Cutoff Between Utility Power Generator Inverter(4P 100A)

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

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-b0fq4xpxww
Model:: PPYA-110-100
Country:: US
ASIN:: B0FQ4XPXWW

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 $6 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 Pjerjzn 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.