Omicron CIBANO 500 PTM - Relative Assessment Limits

CIBANO 500 PTM User Manual
110 OMICRON
15.3.2 Relative assessment limits
The following tables describe the circuit breaker’s relative assessment limits.
Table 15-11: Motor characteristics
Minimum Maximum
Inrush current
Minimum motor characteristic Maximum motor characteristic
Charging time
Table 15-12: Contact resistance
Rref Rdev
Contact resistance Reference contact resistance Allowed deviation from the reference
contact resistance
Table 15-13: Operating times
tref –t dev +t dev
Opening time
Reference operating
time of main contacts
Allowed negative
deviation from the
reference operating
time of main contacts
Allowed positive
deviation from the
reference operating
time of main contacts
Opening sync.
(contacts within a
phase)
Opening sync.
(between breaker
phases)
Closing time
Closing sync.
(contacts within a
phase)
Closing sync.
(between breaker
phases)
Reclosing time
Close-Open time
Open-Close time