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Circuit breaker size S3 for motor protection, Class 20 A-release
28...40 A N-release 520 A screw terminal Increased switching
capacity 100 kA
product brand name SIRIUS
product designation Circuit breaker
design of the product For motor protection
product type designation 3RV2
General technical data
size of the circuit-breaker S3
size of contactor can be combined company-specific S3
product extension
auxiliary switch Yes
power loss W for rated value of the current
at AC in hot operating state 23?W
at AC in hot operating state per pole 7.7?W
insulation voltage with degree of pollution 3 at AC
rated value
1?000?V
surge voltage resistance rated value 8?kV
maximum permissible voltage for safe isolation
in networks with grounded star point between
main and auxiliary circuit
400?V
protection class IP
on the front IP20
of the terminal IP00
shock resistance
acc. to IEC 60068-2-27 25g / 11 ms Sinus
mechanical service life (switching cycles)
of the main contacts typical 25?000
of auxiliary contacts typical 25?000
electrical endurance (switching cycles)
typical 25?000
reference code acc. to DIN EN 81346-2 Q
Ambient conditions
installation altitude at height above sea level
maximum
2?000?m
ambient temperature
during operation -20?...?+60?degrees centigrade
during storage -50?...?+80?degrees centigrade
during transport -50?...?+80?degrees centigrade
temperature compensation -20?...?+60?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
28?...?40?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 40?A
operating current
at AC-3
at 400 V rated value 40?A
operating power
at AC-3
at 230 V rated value 11?000?W
at 400 V rated value 18?500?W
at 500 V rated value 22?000?W
at 690 V rated value 37?000?W
operating frequency
at AC-3 maximum 15?1/h
Protective and monitoring functions
product function
ground fault detection No
phase failure detection Yes
trip class Class 20
design of the overload release thermal
operational short-circuit current breaking capacity
(Ics) at AC
at 240 V rated value 100?kA
at 400 V rated value 50?kA
at 500 V rated value 9?kA
at 690 V rated value 6?kA
maximum short-circuit current breaking capacity (Icu)
at AC at 240 V rated value 100?kA
at AC at 400 V rated value 100?kA
at AC at 500 V rated value 18?kA
at AC at 690 V rated value 12?kA
response value current
of instantaneous short-circuit trip unit 520?A
UL/CSA ratings
full-load current (FLA) for three-phase AC motor
at 480 V rated value 40?A
at 600 V rated value 40?A
yielded mechanical performance hp
for single-phase AC motor
at 110/120 V rated value 3?hp
at 230 V rated value 7.5?hp
for three-phase AC motor
at 200/208 V rated value 15?hp
at 220/230 V rated value 15?hp
at 460/480 V rated value 30?hp
at 575/600 V rated value 40?hp
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 165?mm
width 70?mm
depth 176?mm