Main technical parameters of fixed rectifiers

Name of parameter	U. of m.	Value
Structure of rectifier power part	-	“diode-fuse”		“diode-diode”
Rated voltage	V	600, 750, 825	600, 750, 825	1500, 1650	3000, 3300
Rated current	A	4000…8000*	800…4000*	2000…4000*	2000…4000*
Auxiliaries network voltage	V	=110/220; ~230
Rectification circuit	-	bridge (6-pulse, 12-pulse)
Number of connection circuit (acc. to EN 50328)	-	8, 9, 12
Rectifier cooling type (acc. to EN 50328)	-	natural (AN), forced (AF)
Duty class (acc. to EN 50328)	-	VI*
Overvoltages	-	1.0 — continuous 1.5 — 7200 s 3.0 — 60 s
Failure mode of semiconductor devices (acc. to EN 50328)	-	T, F, R modes
Maximum ambient temperature	°С	40*
Altitude	m	1000
IP class (acc. to IEC 60529)	-	IP20, IP21	IP21	IP21	IP20, IP21, IP43

* other values — upon request