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NC AC MCB
NC-100 MINI CIRCUIT BREAKER GENERAL 1.1Application: For protecting equipment against overload and short circuit 1.2General rules for choosing MCB Technicala data of the network at the point considered: The earthing systems(TNS,INC),Shrot-circuit current at the circuit-breaker installatino point,which must always be less than the breaking capacity of this device,Networl normal voltage.
Standard
IEC/EN 60947-2
Electrical features
Rated current In
A
Poles
Rated voltage Ue
V
Insulation voltage Ui
V
Rated frequency
Hz
Rated breaking capacity
Ka
Rated impulse withstand voltage (1.2/50)Uimp
V
Dielectric test voltage at ind.Freq.for 1 min
Kv
Pollution degree
Thermo-magnetic release characteristic
Mechanical features
Electrical life
Mechanical life
Contact position indicator
Pollution degree
Standard
Reference temperature for setting of thermal element
℃
Ambient temperature
℃
Combination with sccssorles
(with daily average≤35℃)
Storage temperation Terminal connection type
℃
Terminal size top/ bottom for cable
mm2
AWG
Terminal size top/ bottom for busbar
mm2
AWG
Tightening torque
N*m
In-Ibs.
Mounting
Connection Auxilary contact
Auxilary contact
Rated current In (A)
Temperature compensation coefficient under various operational temperature
