Language and regionEnglish · United StatesUS
All system components
Generac 6377 30A Manual Transfer Switch
Generac ↗
Generac

6377 30A Manual Transfer Switch

Moves one or two selected home circuits safely between utility and a compatible portable generator.

Key specification
30A · 1–2 circuits
Component type
Generator home connection
Good to know
Manual transfer · NEMA 3R enclosure

North American homes that need a professionally installed path for a furnace, well pump or another essential circuit.

Good to know

Never back-feed a home through a wall outlet. A transfer switch must prevent utility and generator power from meeting.

What does this component add?What it is for and where its limits are.ViewClose
Plain answer

What does it add?

North American homes that need a professionally installed path for a furnace, well pump or another essential circuit.

Never back-feed a home through a wall outlet. A transfer switch must prevent utility and generator power from meeting.
Will it fit my system?Four checks for a compatible combination.ViewClose
Before use

Four checks. No guesswork.

01

Exact system

Compatible portable generators from 5kW with a 30A receptacle · One large or two smaller circuits within the switch and generator limits

02

Connection path

A generator cord connects to the switch; the switch is hard-wired beside the home load centre.

03

Country version

The linked model follows North American 120/240V equipment and code conventions.

04

Installation

Generac recommends a certified electrician. Local code, grounding, inlet and generator instructions all apply.

Sources and alternativesManufacturer records and related components.ViewClose
Official source checked 2026-08-23

Verify the exact model one last time.

Product revisions and compatible combinations can change. The manufacturer manual and the label on the delivered regional unit override this summary.

Open Generac 6377 product page ↗
Privacy