Accessories   
4.8 Residual current devices 
  3VA molded case circuit breakers with IEC certificate 
394  Manual, 03/2019, A5E03603177010-03 
 
Possible combinations of residual current devices and 3VA circuit breakers 
 
4p  4-pole 
F  Fixed-mounted circuit breaker 
DO  Draw-out circuit breaker 
1)
  Cannot be combined with switch disconnector 
2)
3-pole version in 4-pole enclosure