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Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
Compatibility & What's in the Box
Check the product description for included accessories and device compatibility details.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
Key Specifications
Refer to the product description for full specs including wattage, capacity, dimensions, and compatibility.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
Growatt SYN 200-XH-US | Automatic Transfer Box | Generator Ready
Growatt SYN 200-XH-US-13A | 200 A Whole-Home Backup Smart Switch
Empower your solar-plus-storage system with Growatt’s SYN 200-XH-US—an outdoor-rated (NEMA 4X) automatic transfer switch that delivers lightning-fast, sub-0.5 s switchover from grid power to battery, keeping every circuit in your house online during outages. Designed for seamless integration with Growatt MIN TL-XH-US hybrid inverters, this 200 A smart switch brings utility-grade reliability and flexible energy management to new and existing microgrids.
Highlights & Key Benefits
- True Whole-Home Backup – Service-rated 200 A breaker handles full household loads, HVAC systems, and EV chargers.
- Split-Phase 120/240 V Output – Built-in transformer ensures stable voltage for American appliances without external hardware.
- Blazing-Fast Transfer (< 0.5 s) – Protect sensitive electronics and keep lights, servers, and security systems running without interruption.
- Rugged Outdoor Performance – IP65 / NEMA 4X enclosure, natural convection cooling, and –40 °F to 122 °F operating range conquer harsh climates.
- UL 1741 & FCC Class B Certified – Meets the latest safety and EMI standards for residential and small-commercial installations.
- Generator Support
Specification Snapshot
- Max Continuous Current: 200 A
- Nominal Output Voltage: 120/240 V split-phase (180–270 V L-L range)
- Frequency: 60 Hz
- On/Off grid mode switch time within 0.5s
- Communication: RS-485; remote control via Growatt Shine platform
- Dimensions / Weight: 17.5 × 21.7 × 6.3 in | 58.9 lb
Perfect Applications
- Grid-tied homes seeking instant, whole-house backup without sub-panel rewiring
- Small businesses that can’t afford downtime—clinics, farm operations, IT closets
- EV owners wanting uninterrupted level-2 charging even when the grid drops
Why Buy from Portable Sun LLC
- Michigan-based lifetime technical support from NABCEP-certified experts
- Competitive pricing, fast shipping, and price-match guarantee on all Growatt equipment
- Optional design services to size batteries, generators, and PV for your exact loads
Secure fail-proof power and future-proof your solar investment with the Growatt SYN 200-XH-US—your key to seamless, worry-free whole-home energy independence.
Data Sheet: Download
Quick Guide: Download