8
9
3 General parameters
3.1 General parameters are listed in Table 1.
Table 1
General parameters
Value
Number of poles
1
2
3
4
Overcurrent protection on poles
on every pole
Rated operating voltage U
e
, V
230/400
400
400
400
Rated operating DC voltage per 1 pole, max. V
60
Rated frequency, Hz
50
Rated current I
n
, А
10; 16; 20; 25; 32; 35; 40; 50; 63; 80; 100
Rated impulse withstand voltage U
imp
, V
6000
Rated short-circuit breaking capacity I
cn
, А
10000
Mechanical wear-resistance, not less than, ops.
20000
Electrical wear-resistance, not less than, ops.
6000
Max. size of cables attached to contact terminals, mm
2
35
Overcurrent tripping characteristics, type
С, D
Tightening torque when using a screw-diver, N∙m
2
Possibility to attach connecting buses to contact
terminals
PIN (pin)
Max. pole weight, kg
0,162
Protection degree according to IEC 529
IP20
Operation mode
long-term
Serviceability
Unrepairable
Service life, max. years (from the moment of putting
into operation)
15
* See Table 2
3.2 Time-current operating characteristics of MCB tripping at overcurrent
(control setting temperature – 30°С) are summarized in Table 2 and Figures 1, 2.
1 – modular circuit breaker;
2 – series;
3 – modification;
4 – protection degree type (C,D);
5 – rated current;
6 – type according to pole number (1в4)*
* Used only at circuit breaker ordering.
