Good Quality for Miniature Circuit Breaker FTBD-PV to Brunei Manufacturer
Overview:
Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Good Quality for Miniature Circuit Breaker FTBD-PV to Brunei Manufacturer, We are looking forward to establishing cooperative relationships with you. Please contact us for more information.
Product illustration:
Technical Data
|
Model |
FTBD-PV miniature circuit-breaker | |||
|
Picture |
 |
 |
 |
 |
|
Number of poles |
1P |
2P |
3P |
4P |
|
Rated operating voltage (V) |
DC 3. 00 |
DC 600 |
DC 900 |
DC 1200 |
|
Rated current (A) |
6、10、16、20、25、32、40、50、63 | |||
| Rated short-circuit breaking capacity(KA) |
10 |
10 |
7.5 |
7.5 |
| Rated impulse withstand voltage Uimp(KV) |
4 |
|||
|
Mechanical and electrical life: |
20000 |
|||
|
Protection rating |
IP20 |
|||
|
Installation |
On DIN rail 35mm according to GB/T 19334-2003 | |||
|
Connection capacity: |
Cross-section of conductors up to 25mm², Cross-section of busbar from 0.8-2mm² | |||
|
Ambient temperature (°C) |
-25°C ~ +45°C |
|||
|
Altitude (m) |
≦2000m |
|||
Temperature derating
| FTBD-PV Derating of load capability of MCBs | |||||||
| Ambient temperature T (°C) |
10°C |
20°C |
30°C |
40°C |
50°C |
60°C |
70°C |
|
In(A) |
1.17 In | 1.12 In | 1.07 In |
In |
0.93 In | 0.86 In | 0.81 In |
Tripping characteristic
Connection capacity
Exterior and dimensions
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow
this video show How Circuit Breakers Work