1. General
1.1 Function
protection of circuits against short-circuit currents,
protection of circuits against overload currents, switch, isolation,
Circuit-breakers are used in domestic installation, as well as in commercial and industry electrical distribution systems.
1.2 Selection
Technical data of the network at the point considered: the earthing systems (TNS, TNC),
short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,
Network normal voltage.
Tripping curves:
B curve (3-5In)
C curve (5-10In)
D curve(10-14In)
2. Electrical technical data:
| Design according to |
IEC/EN 60898-1 |
| Characteristic |
B, C, D |
| Rated voltage |
AC 230 / 400V |
| |
DC 48V Single-pole, 2 pole in series: 96VDC |
| Rated frequency |
50/60Hz |
| Rated current |
6,10,16,20,25,32,40,50,63A |
| Rated current interrupting rating |
B,C,D curve----4500A |
| Number of poles |
1, 2, 3, 4 |
| Endurance |
≥ 20,000 operations |
| Power inlet mode |
Upcoming |
| Allowable ambient temperature range |
-40ºC~75ºC |
3.Mechanical technical data:
| Installation method |
IEC standard rail 35mm |
| Enclosure protection grade |
IP20 |
| Dual function screw and pillar terminals on both sides |
Open type / lift type |
| Terminal protection |
Finger and hand safe |
| Terminal wiring capacity |
1-25 mm² |
| Terminal screw tightening torque |
2-2.5 Nm |
| Busbar thickness |
0.8-2 mm |
| Installation angle |
function is independent of position |
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