Masterpact ® circuit breaker
table of contents
universal power circuit breaker
introduction
interrupting ratings
ratings
tropicalization
standard compliance
other performances
advantages
description
control units
STR 280 for general application
STR 38S for selective application
STR 58U for universal application
neutral protection, zone-selective interlocking
fault and alarm indicators
load monitoring
mini test kit, portable test kit
accessories
secondary disconnects
spring-charging motor
operation counter
"spring charged" switch
closing coil
shunt trip
instantaneous undervoltage trip device
time delayed undervoltage trip device
heavy duty auxiliary switches
standard auxiliary switches
24 additional auxiliary switches
"ready to close" switch
connected position switches
disconnected position switches
test position indication
auxiliary switches operating diagrams
push button locking device
open position lock
door interlock
racking interlock
disconnected position locking
summary of interlockings
interlocking rods
safety shutters, shutters lock
rejection feature
interphase barrier
transparent cover
switch
time current curves
accessory wiring diagrams
dimensions
appendix
routine maintenance guidelines
endurances
international standards
thermal memory
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