Transfer Switch: Difference between revisions
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*Double throw safety switch - [https://www.eaton.com/us/en-us/products/low-voltage-power-distribution-control-systems/switches---disconnects/switches-fundamentals.html#:~:text=Double%20throw%20safety%20switch,switches%20with%20a%20common%20connection.] | *Double throw safety switch - [https://www.eaton.com/us/en-us/products/low-voltage-power-distribution-control-systems/switches---disconnects/switches-fundamentals.html#:~:text=Double%20throw%20safety%20switch,switches%20with%20a%20common%20connection.] | ||
*UL standards for double throw safety switches stipulate 4000 cycles rating at 100% power. Should be more at partial power. [https://www.ascopower.com/us/en/resources/technical-briefs/ul-standards-for-manual-transfer-switches.jsp#:~:text=Under%20UL%201008%2C%20the%20same,those%20completed%20at%20200%25%20current] | *UL standards for double throw safety switches stipulate 4000 cycles rating at 100% power. Should be more at partial power. [https://www.ascopower.com/us/en/resources/technical-briefs/ul-standards-for-manual-transfer-switches.jsp#:~:text=Under%20UL%201008%2C%20the%20same,those%20completed%20at%20200%25%20current] | ||
=Design= | |||
*Must use several SPDT for creating an automated DPDT relay? Ie, with logic, you turn certain contacts on, and certain contacts off. | |||
=Sourcing= | =Sourcing= | ||
Latest revision as of 22:26, 15 April 2023
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
- $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
Videos
- Notes: 'not meant to be switched every day'