NC MCB

High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb

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High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb
High Quality Kayal NC-100H Miniature Air Circuit Breaker Mcb

Application:

For protecting equipment against overload and short circuit

General 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 63,80,100,125
Poles   1P,2P,3P,4P
Rated voltage Ue V 230/400
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity Ka 6~10
Rated impulse withstand voltage(1.2/50)Uimp V 6000
Dielectric test voltage at ind.Freq.for 1 min Kv 2.5
Pollution degree   3
Thermo-magnetic release characteristic   8-12In
Mechanical
features
Electrical life   1500(In=63A,80A,100A)
1000(In=125A)
Mechanical life   8000(In=63A,80A,100A)
7000(In=125A)
Contact position indicator   Yes
Pollution degree   IP20
Standard   IEC/EN 60947-2
Reference temperature for
setting of thermal element
30
Ambient temperature -5...+40(Special application please refer to P29 for temperature compensation correction)
Combination
with
sccssorles
(with daily average≦35℃)  
Storage temperation Terminal connection type -25..+70
  Cable/pin-type busbar
Terminal size top/bottom for cable mm2 50
AWG 18-1/0
Terminal size top/bottom for busbar mm2 50
AWG 18-1/0
Tightening torque N*m 3.5
In-Ibs. 3.1
Mounting   On DN rail EN 60715(35mm)by meas of fast clip device 
Connection
Auxilary contact
  From top 
Auxilary contact   Yes
Rated current
 In (A)
Temperature compensation coefficient under various operational temperature
  -10℃ 0℃ 10℃ 20℃ 30℃ 40℃ 50℃ 55℃ 60℃
63 1.28 1.21 1.14 1.07 1.00 0.84 0.87 0.85 0.82
80 1.22 1.16 1.11 1.05 1.00 0.95 0.91 0.88 0.86
100 1.22 1.18 1.11 1.05 1.00 0.95 0.91 0.88 0.88
125 1.22 1.16 1.11 1.05 1.00 0.95 0.91 0.88 0.86

NC MCB.pdf

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