An automatic transfer switch that senses utility power loss and transfers a single 120V, 30-amp circuit to a generator source. Designed for simple installation on small homes, workshops, RVs or portable-generator setups, it keeps one essential circuit powered without manual intervention.
Benefits
Maintains power to essential circuits automatically so lights, refrigerators or critical equipment stay on during outages.
Reduces stress and manual work—no need to run outside and flip switches when power goes out.
Protects connected devices by switching cleanly between utility and generator power.
Saves time on setup and operation compared with manual transfer solutions.
Makes generator use safer by preventing backfeed to the utility grid when properly installed.
Features
Automatic sensing and transfer between utility and generator sources.
Rated for 120 volts, 30 amps (single-phase).
Manual override option for testing or maintenance.
Indicator lights to show source status and switch position.
Weather-resistant, wall-mountable enclosure for indoor or sheltered outdoor installation.
Compatible with common portable and inverter-style generators that provide a 120V, 30A outlet.
Built-in safety interlocks to prevent simultaneous connection of both power sources.
Specifications
Voltage: 120 V (nominal)
Current rating: 30 A continuous
Phase: Single-phase
Frequency: 60 Hz
Typical transfer time: under 5 seconds (automatic)
Poles: 2-pole switching (line and neutral as required for application)
Enclosure material: powder-coated steel
Mounting: wall-mountable with included hardware
Dimensions: 9.0 in (H) × 6.5 in (W) × 4.0 in (D) — approximate
Weight: approximately 5.5 lb
Operating temperature: -20°C to 60°C (-4°F to 140°F)
Connections: screw terminal or lug-style input/output (model dependent)
Installation: hardwired between utility, generator and protected loads; installation by a qualified electrician required to meet local codes
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