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Circuit breaker size S2 for motor protection, CLASS 10 with overload
relay function A-release 70...80 A N-release 1040 A screw terminal
Standard switching capacity
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 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
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
70?...?80?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 80?A
operating current
at AC-3
at 400 V rated value 80?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 55?000?W
at 690 V rated value 75?000?W
operating frequency
at AC-3 maximum 15?1/h