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Franklin, KY 42134

100A Automatic Transfer Switch – Single-Phase NEMA 3R | Generac RTSI100M3

This 100A switch is purpose-built for 50 Hz single-phase generators. It includes an aluminum NEMA 3R enclosure certified to IEC IP54 standards and a UL1008-recognized contactor for dependable operation.

$379.00

Description

Generac 100A Service Entrance Rated Automatic Transfer Switch – RTSI100M3

The RTSI100M3 is a compact, service-rated 100A switch for whole-home coverage. Its outdoor NEMA 3R enclosure and open-transition operation make it a flexible, reliable choice for automatic backup power.

  • Service Entrance Rated: Combines disconnect and ATS functions to simplify installs.
  • Compact Footprint: Fits tight spaces with smart, clean wiring layout.
  • NEMA 3R: Indoor/outdoor installation flexibility.
  • Open-Transition Transfer: Smooth switching between sources.
  • UL 1008: Compliant for safety and performance.

Product Specifications

Model Number: RTSI100M3
Amperage / Phase: 100A / 1Ø
Voltage: 120/240V
Enclosure: NEMA 3R
Load Transition: Open Transition
Dimensions (L×W×H): 20″ × 14.6″ × 7.09″
Unit Weight: 20 lbs

Additional information

Weight 20 lbs
Dimensions 20 × 14.6 × 7.09 in
Amps

100A

Phase

Single-phase

Enclosure

NEMA 3R (Aluminum)

Service Entrance Rated

Yes

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