air circuit-breakers - caltechold.caltech.ie/pdf/switchgear/emax_abbrev.pdf · rc protection...
TRANSCRIPT
7/1561SDC007200C0201
Air circuit-breakersEmax seriesOrdering details - Reading information
Abbreviations used to describe the apparatusType of connection terminals:
X1
E1-E6
EF = Front extendedterminals
ES = Spreaded frontterminals
EF = Front extendedterminals
MC CuAl = Multicable terminals for CuAl
F = Front terminals
F = Front terminals FL = Flat terminals
F = Front terminalsVR = Vertical rear terminals
VR = Vertical rear terminals
HR/VR = Rear terminals (horizontal, vertical or adjustable)
HR = Horizontal rear terminals
HR/VR = Adjustable rear terminals (horizontal or vertical)
HR = Horizontal rear terminals
Fixed circuit-breaker
Withdrawable circuit-breaker
Fixed circuit-breaker
Withdrawable circuit-breaker
E1-E6
0702_Emax.indb 1560702_Emax.indb 156 1-12-2006 16:32:521-12-2006 16:32:52
AC
Bs
1SDC007200C0201
7/157
Versions: F Fixed W Withdrawable MP Moving part for withdrawable circuit-breakers FP Fixed part for withdrawable circuit-breakers
Other versions: /MS Switch-disconnector /E Automatic circuit-breaker for applications up to 1150 V /E MS Switch-disconnector for applications up to 1150 V AC and 1000 V DC CS Sectionalizing truck MTP Earthing switch MT Earthing truck
Type of currents: Iu [A] Rated uninterrupted current of the circuit-breaker In [A] Rated current of the electronic trip unit current transformers Icu [A] Rated ultimate short-circuit breaking capacity Icw [kA] Rated short-time withstand current AC Alternate Current applications DC Direct Current applications
Type of protection trip units: PR121/P PR121/P Electronic trip unit (LI, LSI, LSIG functions) PR122/P PR122/P Electronic trip unit (LSI, LSIG, LSIRc functions) PR123/P PR123/P Electronic trip unit (LSIG functions) PR331/P PR331/P Electronic trip unit (LI, LSI, LSIG functions) PR332/P PR332/P Electronic trip unit (LSI, LSIG, LSIRc functions) PR333/P PR333/P Electronic trip unit (LSI, LSIG functions)
Protection functions: L Protection against overload with long inverse time-delay trip S Selective protection against short-circuit with short inverse or defi nite time-delay trip I Protection against instantaneous short-circuit with adjustable trip current threshold G Protection against earth faults Rc Protection against residual current earth faults
Air circuit-breakersEmax seriesOrdering details - Reading information
0702_Emax.indb 1570702_Emax.indb 157 1-12-2006 16:32:541-12-2006 16:32:54