OMICRON 111
Circuit breaker data
Note: Click More information
to open a diagram explaining the characteristics described in the table.
Note: Click More information
to open a diagram explaining the characteristics described in the table.
Table 15-14: Contact travel
1
1. Only available if testing with the CB TN3 modules
dref d dev
Total travel, TT
Reference distance of the contact
travel
Allowed deviation from the reference
distance of the contact travel
Over-travel (Trip), OT
Over-travel (Close), OT
Rebound (Trip), RB
Rebound (Close), RB
Contact wipe, CW
Add velocity zone Click Add velocity zone to define a velocity zone for assessment of the
contact travel velocity
(see 15.4 "Velocity zones" on page 113).
Table 15-15: Auxiliary contacts: Trip operation
tref tdev
Switching time
(a-type), t
switch,a
Reference operating time of auxiliary
contacts
Allowed deviation from the reference
operating time of auxiliary contacts
Diff. to main
(a-type), Δt
a
Switching time
(b-type), t
switch,b
Diff. to main
(b-type), Δt
b
Switching time
(wiper), t
switch,w
Duration
(wiper), Δt
w