Benefits of plug-in technology
● Defective molded case circuit breakers can be replaced quickly and easily
● Clear visual evidence of safe electrical isolation of main circuits with removal of the circuit
breaker
● Remote signaling of molded case circuit breaker positions:
– "INSERTED": The 3VA UL molded case circuit breaker is properly inserted and
– "WITHDRAWN": Screws have been removed, the 3VA UL molded case circuit breaker
● Plug-in socket can be locked by padlocks to prevent insertion of a molded case circuit
breaker
● IP20 degree of protection / this meets NFPA 79 "Protection against electric shock"
requirements
● No grounding required
See also
Locking and interlocking (Page 302)
4.4.5.2
Combination with other accessories
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
screwed into place
has been removed
4.4 Plug-in and draw-out technology
Accessories
233