The Siemens Circuit Breaker is high quality!
Circuit breaker size S3 for motor protection CLASS 10 with overload
relay function A-release 57...75 A N-release 975 A screw terminal
Increased switching capacity 100 kA
product brand name SIRIUS
product designation Circuit breaker
design of the product For motor protection with overload relay function
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 38?W
at AC in hot operating state per pole 12.7?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
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
57?...?75?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 75?A
operating current
at AC-3
at 400 V rated value 75?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