Direct-current Miniature Circuit Breaker for PV System-FTBD-PV
Overview:
It is suitable for protecting the photovoltaic module in the solar photovoltaic power generation system from the damage caused by fault current which is under the rated current 63A and below rated DC voltage 1200V and below.
Technical Data
| Model & Spec | FTBD-PV | |||||||
| Technical parameters | ||||||||
| Standards | GB/T14048.2/IEC60947-2 | |||||||
| Certifications | CCC CE | |||||||
| Pole number | 1P, 2P, 3P, 4P | |||||||
| Rated current(A) | 6, 10, 16, 20, 25, 32, 40, 50, 63 | |||||||
| Electrical characteristics | ||||||||
| Rated operating voltage Ue(V) | DC300 (1P), DC600 (2P), DC900 (3P), DC1200 (4P) | |||||||
| Rated insulation voltage Ui(V) | DC1200 | |||||||
| Rated impulse withstand voltage Uimp(kV) | 4 | |||||||
| Rated short-circuit capacity lcn(kA) | 10(1P, 2P) 7.5(3P, 4P) | |||||||
| Dielectric voltage, power frequency, 1min(kV) | 2 | |||||||
| Isolation function | Yes | |||||||
| Class of pollution | 2 | |||||||
| Use cat. (overvoltage category) | II | |||||||
| Thermomagnetic Tripping characteristics | 1.05ln/1.3ln (long delay setting current multiple), 8ln~12ln (short-circuit protection characteristics) | |||||||
| Mechanical charateristics | ||||||||
| Contact status indicator | Green: open Red: close | |||||||
| Mechanical life (times) | 20000 | |||||||
| Electrical life (times) | 10000 | |||||||
| IP rate | IP40 (installed inside the distribution box) | |||||||
| Mechanical shock resistance (GB/T2423.5)(m/s²) | 150, continuously 11ms half-wave | |||||||
| Anti-vibration (GB/T2423.10) | 5g-20 cycles, frequency 5…150…5Hz (load 0.8ln) | |||||||
| Anti-humid heat (GB/T2423.4)(℃/RH) | 28 cycles (with 55/95…100) | |||||||
| Reference ambient temperature (℃) | 30 | |||||||
| Operating ambient temperature (℃) | -5~+40 | |||||||
| Storage temperature (℃) | -40~+70 | |||||||
| Installation characteristics | ||||||||
| Terminal type | U-shaped terminal, tunnel type | |||||||
| Max. wiring capacity | Conductor connection 25 mm², busbar inlet thickness 0.8-2mm | |||||||
| Max. ultimate torque (N.m) | 5.1 (≤25A) 5.6 (>25A) | |||||||
| Tool | Pozi drive (double cross) | |||||||
| Installation | Installed on standard DIN rail (35mm) | |||||||
| Inlet method | Pay attention to the polarity | |||||||
| Outline dim. (mm) (L*W*H) |
1P | 80*18*74.2 | ||||||
| 2P | 80*36*75.7 | |||||||
| 3P | 80*54*75.7 | |||||||
| 4P | 80*72*75.7 | |||||||
