| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
3 . 1 The basic specifications and main
technical parameters of the circuit breaker are shown inTable 1 ; The overcurrent protection characteristics are shown in Table 2 .
| Ui | 500V | |
| Number of poles | 1P/2P | 3P/4P |
| Rated trequency Hz | 50/60 | |
| Rated voltage Ue | AC230V/400V | AC400V |
| Rated Current ln | 1A,2A,3A,4A,6A,8A,10A,13A, 16A,25A,32A,40A,50A,63A | |
| Thermo-magnetic release characteristic | B/C/D | |
| Rated short circuit breaking capac1tylcn | 15kA | |
| Test | Test estcurrent |
Initial status | Time limit for tripping or not tripping |
Expected result | Testing env1ronment temperature |
Remarks | |
| a | BCD | 1 . 13In | cold state | t≤1h | Not tripping | 30ºC~35ºC |
current lncrease steadily within 5s |
| b | BCD | 1 .45In | Right after test number a | t<1h | Tripping | ||
| c | BCD | 2 . 55 | cold state | 1s<t<60s (In≤32A) 1s<t<120s (In>32A) | Tripping | ||
| d | BCD | 3In 5In 10In | cold state | t≤0. 1s | Not tripping | Turn on the power supply by closing the auxiliary switch |
|
| e | BCD | 5In 10In 20In | cold state | t<0. 1s | Tripping | Turn on the power supply by closing the auxiliary switch |
| Item | Times | Operation Frequency times/h | Rated current(A) |
| Electrical life | 10000 | 240 | 1~32 |
| 120 | 40 ~63 | ||
| Mechanical life | 20000 | 240 | 1~63 |
| Rated current In A | conductor cross section S mm2 |
| 6 | 1 |
| 10 | 1 .5 |
| 16 ,20 | 2 .5 |
| 25 | 4 |
| 32 | 6 |
| 40 ,50 | 10 |
| 63 | 16 |