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Circuit breaker size S2 for motor protection, CLASS 10 A-release
62...73 A N-release 949 A screw terminal increased switching
capacity
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 S2
size of contactor can be combined company-specific S2
product extension
auxiliary switch Yes
power loss W for rated value of the current
at AC in hot operating state 29.5?W
at AC in hot operating state per pole 9.8?W
insulation voltage with degree of pollution 3 at AC
rated value
690?V
surge voltage resistance rated value 6?kV
maximum permissible voltage for safe isolation
in networks with grounded star point between
main and auxiliary circuit
400?V
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 20?000
of auxiliary contacts typical 20?000
electrical endurance (switching cycles)
typical 20?000
type of protection according to ATEX directive
2014/34/EU
Ex II (2) GD
certificate of suitability according to ATEX directive
2014/34/EU
DMT 02 ATEX F 001
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
62?...?73?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 73?A
operating current
at AC-3
at 400 V rated value 73?A
operating power
at AC-3
at 230 V rated value 22?000?W
at 400 V rated value 37?000?W
at 500 V rated value 45?000?W
at 690 V rated value 55?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 10
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 8?kA
at 690 V rated value 4?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 10?kA
at AC at 690 V rated value 6?kA
response value current
of instantaneous short-circuit trip unit 949?A
UL/CSA ratings
full-load current (FLA) for three-phase AC motor
at 480 V rated value 65?A
at 600 V rated value 62?A
yielded mechanical performance hp
for three-phase AC motor
at 200/208 V rated value 20?hp
at 220/230 V rated value 25?hp
at 460/480 V rated value 50?hp
at 575/600 V rated value 60?hp
Short-circuit protection
product function short circuit protection Yes
design of the short-circuit trip magnetic
design of the fuse link for IT network for short-circuit
protection of the main circuit
at 240 V none required
at 400 V 160
at 500 V 125
at 690 V 100
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 140?mm
width 55?mm
depth 149?mm