Transfer Switch
From Open Source Ecology
About
- Double throw safety switch - [1]
- UL standards for double throw safety switches stipulate 4000 cycles rating at 100% power. Should be more at partial power. [2]
Design
- Must use several SPDT for creating an automated DPDT relay? Ie, with logic, you turn certain contacts on, and certain contacts off.
Sourcing
Manual
- GE 100A $200 [3]
- Eaton 100A
- Amazon $200 [4]
- Double throw $310 HD [5]
- $86 - CSA but non-UL? [6]. You can look up the CSA listing here - it is CSA listed as file # 025483_0_000 [7]
Auto
- 63A, automatic, 3 phase or 4 pole - [8]
- 63A auto, 1 phase - [9]
Videos
- Notes: 'not meant to be switched every day'
