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Circuit breaker 25 A A-release 20...25 A, N-release 400 A, for
transformer protection, screw connection, standard switching
capacity
product brand name SIRIUS
product designation Circuit breaker
design of the product for transformer protection
product type designation 3RV6
General technical data
size of the circuit-breaker S0
power loss W total typical 8 W
insulation voltage with degree of pollution 3 at AC
rated value
690 V
surge voltage resistance rated value 6 kV
protection class IP
on the front IP20
of the terminal IP20
shock resistance
acc. to IEC 60068-2-27 25g / 11 ms
Ambient conditions
installation altitude at height above sea level
maximum
2 000 m
ambient temperature
during operation -20 ... +60 degrees centigrade
during transport -50 ... +80 degrees centigrade
relative humidity during operation 10 ... 95 %
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
20 ... 25 A
operating voltage
rated value 690 V
at AC-3 rated value maximum 690 V
operating frequency rated value 50 ... 60 Hz
operating current rated value 25 A
operating current
at AC-3
at 400 V rated value 25 A
operating frequency
at AC-3 maximum 15 1/h
Protective and monitoring functions
trip class CLASS 10
design of the overload release thermal
operational short-circuit current breaking capacity
(Ics) at AC
at 400 V rated value 25 kA
maximum short-circuit current breaking capacity (Icu)
at AC at 400 V rated value 55 kA
response value current
of instantaneous short-circuit trip unit 400 A
Short-circuit protection
product function short circuit protection Yes
design of the short-circuit trip magnetic
Installation/ mounting/ dimensions
mounting position any
mounting type screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 60715
height 97 mm
width 45 mm
depth 96 mm