Alarm System CBM over-drain? (0.C-22476-g4bcc67a v. 6475)

I’ve installed Alarm System CBM and its description says: “1 PU/16 turns, 1 PU act.”

I finally turned it on to use together with my light amp goggles on a night raid. Whenever it triggers it drains 100 PU instead of 1 PU! So I heard like 10 or something sounds and my 1000 PU powerbank was empty. I recharged and checked again - each triggering drains exactly 100 PU.

I do not think this one is intentional, right?

There was like few enemies moving at the same time. Nevermind, sorry about that.