STW2-63DC Series DC Circuit Breaker – 4 Pole

SCOPE OF APPLICATION
STW2-63DC series dc circuit breaker is mainly suitable for rated voltage up to DC1000V, rated current DC 63A and under new energy dc power generation, storage, custom power system, digital and computer center, communication system, intelligent city (construction, municipal and public facilities), smart home, transportation and micro power grid in the areas of low voltage power distribution system.

Conformity to GB/T 14048.2 IEC 60947-2 STW2-63DC series DC miniature circuit breaker are high-performance DC miniature circuit breaker with a single-pole width of 18mm, rated current up to 100A, rated short-circuit breaking capacity up to 10KA, and various technical parameters leading in China.

STW2 Series circuit breaker STW2-63DC
Shell frame grade Current (A) 100
Standards IEC 60947-2
Rated Insulation voltage Ui (V) 1000
Rated Impulse Withstand Voltage Uimp (kV) 6
Rated current (A) 16, 20, 25, 32, 40, 50, 63, 80, 100
Rated voltage DC250V (1P), 500V (2P), 800V (3P), 1000V (4P)
Electromagnetic trip characteristics 10In ±20%
Tripping curves C: 8In ±20%    D: 12In ±20%
Number of poles 1P, 2P, 3P, 4P
Icu 18mm
Ics 10KA
Reference temperature 7.5KA
Unipolar width 30°C
Utilization Category A
Mechanical life 20000 Cycles
Electrical life 2000 Cycles
Protection Degree IP20