The Siemens Circuit Breaker is high quality!
Circuit breaker size S2 for starter combination Rated current 52 A Nrelease 741 A screw terminal increased switching capacity
product brand name SIRIUS
product designation Circuit breaker
design of the product For starter combinations
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 24.5?W
at AC in hot operating state per pole 8.2?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 50?000
of auxiliary contacts typical 50?000
electrical endurance (switching cycles)
typical 50?000
reference code acc. to DIN EN 81346-2 Q
Main circuit
number of poles for main current circuit 3
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 52?A
operating current
at AC-3
at 400 V rated value 52?A
operating power
at AC-3
at 230 V rated value 15?000?W
at 400 V rated value 22?000?W
at 500 V rated value 30?000?W
at 690 V rated value 45?000?W
operating frequency
at AC-3 maximum 15?1/h