Datasheet
Data sheet 3RV2021-4NA20
CIRCUIT-BREAKER SZ S0, FOR MOTOR PROTECTION, CLASS
10, A-RELEASE 23...28A, N-RELEASE 364A, SPRING-L.
CONNECTION, STANDARD SW. CAPACITY,
product brand name SIRIUS
Product designation 3RV2 circuit breaker
General technical data:
Size of the circuit-breaker S0
Size of contactor can be combined company-specific S00
Product expansion
● Auxiliary switch
Yes
Power loss [W] total typical 11W
Insulation voltage with degree of pollution 3 rated
value
690V
Surge voltage resistance rated value 6kV
maximum permissible voltage for safe isolation
● in networks with grounded star point between
main and auxiliary circuit
400V
● in networks with grounded star point between
main and auxiliary circuit
400V
Protection class IP
● on the front
IP20
● of the terminal
IP20
3RV2021-4NA20 Changes preserved
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26.02.2016 © Copyright Siemens AG