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
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Max Continuous Current: 200 A
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Nominal Output Voltage: 120/240 V split-phase (180–270 V L-L range)
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Frequency: 60 Hz
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On/Off grid mode switch time within 0.5s
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Communication: RS-485; remote control via Growatt Shine platform
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Dimensions / Weight: 17.5 × 21.7 × 6.3 in | 58.9 lb
Perfect Applications
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Grid-tied homes seeking instant, whole-house backup without sub-panel rewiring
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Small businesses that can’t afford downtime—clinics, farm operations, IT closets
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EV owners wanting uninterrupted level-2 charging even when the grid drops
Why Buy from Portable Sun LLC
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Michigan-based lifetime technical support from NABCEP-certified experts
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Competitive pricing, fast shipping, and price-match guarantee on all Growatt equipment
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Optional design services to size batteries, generators, and PV for your exact loads
Data Sheet: Download
Quick Guide: Download