I'm looking at a 480v(ac) 3P 30A breaker,
dual rated for 250vdc 10ka
On the label it says this:
"Use Two 100% Protected Poles for DC"
Does that mean you can only use 2 of the 3 P for DC?
Or are you supposed to use 1P for + and 1P for - (Guessing no...)
... Or something else entirely?
dual rated for 250vdc 10ka
On the label it says this:
"Use Two 100% Protected Poles for DC"
Does that mean you can only use 2 of the 3 P for DC?
Or are you supposed to use 1P for + and 1P for - (Guessing no...)
... Or something else entirely?