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Nature's Generator 125A Automatic Transfer Switch

• Seamless Automatic Power Transfer: Automatically detects utility outages and switches to backup power instantly—no manual action required for continuous, reliable operation.
• High-Capacity & Broad Compatibility(125A Bus Bar): Works with most solar generators, battery backup systems, grid-tie inverters, and gas generators. Supports 120V, 120/240V, and 120/208V systems and is fully compatible with AFCI and GFCI breakers.
• Grid-Tie Inverter Friendly with Parallel Power Path: Creates a parallel power path for grid-tie inverters, allowing them to continue operating during outages and safely deliver power through the ATS to an AC-coupled battery system—maximizing solar utilization even when the grid is down. Connection Instructions (Video)
• Can Remain on Backup Power even after Utility Power Is Restored: The ATS does not have to automatically switch back to normal utility power, allowing continued use of backup power when desired.
• Extensive Circuit Coverage: Rated at 125A with 24 circuit spaces, expandable up to 48 circuits using tandem breakers to accommodate expanding power needs.
• Rugged, Weather-Resistant Enclosure: Built with a NEMA 3R-rated enclosure to protect against rain, dust, and harsh weather, suitable for both indoor and outdoor installations.
• Advanced Control & Manual Override: Features a centralized control console for managing settings, testing system functionality, and manually overriding power sources for maintenance or user preference.
• Certified for Safety & Code Compliance: Meets rigorous safety and performance standards including UL 1008 and CAN/CSA C22.2 No. 178.1, with documentation showing compliance under ISO/IEC Guide 17067.

Features

Explore the built-in capabilities designed to deliver safe, reliable, and seamless power switching for home and backup systems.

Manual Override

Allows you to safely switch power sources manually when automatic operation is not preferred or unavailable.

Centralized Console

Provides a single, easy-to-access control point for monitoring and managing your home’s power flow.

NEMA 3R Enclosure

Built for indoor or outdoor installation, offering protection against rain, dust, and harsh weather conditions.

Supports Up to 48 Circuits with Tandem Breakers

Designed to manage a large number of household circuits, giving you flexible and organized power distribution.

ATS Model Comparison: Find Your Perfect Match

Find the perfect ATS solution for your needs. Compare features and specifications to make a confident, informed decision.

ATS SpecificationsGenerator MatchingCompatible Accessories

Easy to Install. Flexible to Use. Ready for Whole-Home Power.

Designed for quick setup, flexible system compatibility, and reliable power management to support whole-home backup needs.

Built for Whole-Home Backup

Versatile Applications

Easy Installation

Advanced 125A Transfer Solution

Engineered to support large electrical loads with flexible circuit expansion and organized power control.

125A Automatic Transfer Switch

1. Viewing Window

2. Emergency Override Handle

3. Enclosure Latch

4. Dead Cover Latches

5. Automatic Transfer Switch

6. Dead Covers

7. Knockouts

8. Breaker Panel

Tech Specs

Find all the essential technical details of your automatic transfer switch, including amperage, voltage compatibility, and installation features.

Technical Overview

125A Automatic Transfer Switch

Specification

Power Rating
125A

System Voltage
120 V~ (L-N) / 208V~ (L-L) / 240V~ (L-L)

Number of Spaces
24 spaces

Number of Circuits
Expandable to 48 circuits with tandem breakers

Dimension and Weight

35⁷⁄₁₆*14¼*6⁵⁄₁₆ inches
(900*360*160 mm)

58 lbs(26.3 kg)

Certification*

UL 508A

UL1008

CAN/CSA C22.2 No. 178.1

What's In The Box?

125A Automatic Transfer Switch

1* Automatic Transfer Switch
1* Manual Override Handle
4* Isolation Pads
1* User Manual