TOMZN TO319G 3 Phase 3P AC400V 80A Changeover Switch MTS Dual Power Manual Transfer Isolating Circuit Breaker Disconnectable

TO319G 3P 80A 400V AC

General
The TO319G is a 3‑pole manual changeover switch rated at 80A, 400V AC. It features three positions: Position I (main), Position II (secondary), and a middle OFF position where both groups are disconnected. In Position I, terminals 1‑2, 5‑6, and 9‑10 are closed. In Position II, terminals 1‑4, 5‑8, and 9‑12 are closed. This switch is ideal for selecting between two power sources or loads in industrial and residential applications.

Function

1.When the handle on the I position:

1 and 2 are connected

5 and 6 are connected.

9 and 10 are connected

2.When the handle on the II position:

1 and 4 are connected

5 and 8 are connected.

9 and 12 are connected

3.When the handle is in the middle position: both groups are disconnected.

Product parameters
Product Model: TO319G
Number of Poles: 3P
Rated Current: 80A
Rated Voltage: 400V AC
Switch Positions: I – II – OFF (center)
Position I Connections: 1-2, 5-6, 9-10 closed
Position II Connections: 1-4, 5-8, 9-12 closed
Middle Position: All groups disconnected
Application: Manual changeover between two power sources or loads