Relay datasheet question
They say

Max. switching rate at rated- / minimum load   - 6 min-1 / 1200 min -1

First establish what &quot;rated load&quot; and &quot;minimum load&quot; mean
(1) What does &quot;rated load&quot; mean ?
There are 12A and 16A versions.
Considering 12A version.
Max rated switching current is 12 A
Switchable voltage = 250 VAC or 440 VAC .
Max switched VA = 3000
SO at 250 VAC max switched i = 3000/250 = 12A as expected.
But at 440 VAC max amps = 3000/440 = 6.8A
ie  it can be used at 12A at 250 VAc but must be derated to 6,8A if 440 VAC is used.
So raed load = 12A at 250 VAc or 6.8A ay=t 440 VAC.
(2) What does &quot;minimum load&quot; mean?
Some relays have a minimum rated switched current for eg contact wetting purposes. I could not see any minimum spec.
Assume that &quot;minimum load&quot; = no load.

Then -
(3) So
&quot; - Max. switching rate at rated- / minimum load   - 6 min-1 / 1200 min -1&quot;
means

When loaded at 250 VAC, 12A OR at 440 VAc, 6.8A it may be switched at a maximum rate of &quot;6 min-1&quot; = 6 times per minute = not more than once every 10 seconds.

When loaded at zero amps - say perhaps 250 VAC present or 440 VAC present but no load then max switching rate = &quot;1200 min-1&quot;= 1200 times per minute = 20 times per second !!!